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Front bezel

Prepare the computer for disassembly (

Preparation for disassembly on page 20

Remove the access panel (

Access panel on page 21

Lift up the four tabs on the top of the bezel (1), and then rotate the bezel off the chassis (2).

To install the front bezel, reverse the removal procedure.

Chapter 4 Removal and replacement procedures: Small Form Factor

Содержание ProDesk 600 G3

Страница 1: ...Maintenance and Service Guide HP ProDesk 600 G3 Small Form Factor ...

Страница 2: ...ibes features that are common to most models Some features may not be available on your computer In accordance with Microsoft s support policy HP does not support the Windows 8 or Windows 7 operating system on products configured with Intel and AMD 7th generation and forward processors or provide any Windows 8 or Windows 7 drivers on http www support hp com Software terms By installing copying dow...

Страница 3: ...ollow directions could result in bodily harm or loss of life CAUTION Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information NOTE Text set off in this manner provides important supplemental information iii ...

Страница 4: ...iv About This Book ...

Страница 5: ... preparation 12 Electrostatic discharge information 12 Generating static 13 Preventing electrostatic damage to equipment 13 Personal grounding methods and equipment 13 Grounding the work area 14 Recommended materials and equipment 14 Operating guidelines 15 Routine care 15 General cleaning safety precautions 15 Cleaning the Computer Case 15 Cleaning the keyboard 16 Cleaning the monitor 16 Cleaning...

Страница 6: ...29 System board connections 33 Drives 34 Drive positions 35 Removing a 9 5 mm slim optical drive 36 Installing a 9 5 mm slim optical drive 37 Removing and replacing a 3 5 inch hard drive 38 Removing and installing an M 2 SSD storage card 42 Fan duct 44 Fan sink 45 Processor 46 M 2 WLAN module 48 Power supply 49 Drive power cable 51 Speaker 52 Serial port assembly 54 Option port 55 System board 56 ...

Страница 7: ... Solving Network Problems 95 Solving memory problems 98 Solving CD ROM and DVD problems 99 Solving USB flash drive problems 101 Solving front panel component problems 103 Solving Internet access problems 103 Solving software problems 105 7 POST error messages and diagnostic front panel LEDs and audible codes 106 POST numeric codes and text messages 106 Interpreting system validation diagnostic fro...

Страница 8: ...ecovery media and backups 123 Guidelines 124 Creating recovery media with HP Recovery Disc Creator 124 Creating recovery media 124 Backing up your information 124 Performing a system recovery 125 Using the Windows recovery tools 125 Using f11 recovery tools select products only 126 Using Windows 7 operating system media 127 Appendix A Battery replacement 128 Appendix B Statement of memory volatili...

Страница 9: ...ng on the model For support assistance and to learn more about the hardware and software installed on your computer model run the HP Support Assistant utility NOTE This computer model can be used in a tower orientation or a desktop orientation Standard configuration features 1 ...

Страница 10: ...ader optional 7 Audio out headphone Audio in microphone combo jack 3 USB Type C charging port 8 Hard drive activity light 4 USB 3 x ports 2 9 Power button 5 USB 2 0 port NOTE The light on the power button is normally white when the power is on If it is flashing red there is a problem with the computer and it is displaying a diagnostic code Refer to the Maintenance and Service Guide to interpret th...

Страница 11: ...nal optional ports available from HP When a device is plugged into either audio jack a dialog box will appear on the monitor screen asking if you want to use the jack for a microphone or a headphone You can also reconfigure the jacks at any time by double clicking the Audio Manager icon in the Windows taskbar When a graphics card is installed in one of the system board slots the video connectors o...

Страница 12: ...configure the jacks at any time by double clicking the Audio Manager icon in the Windows taskbar When a graphics card is installed in one of the system board slots the video connectors on the graphics card and or the integrated graphics on the system board may be used The specific graphics card installed and software configuration will determine the behavior The system board graphics can be disabl...

Страница 13: ...ur computer go to http partsurfer hp com select your country or region and then follow the on screen instructions Item Description 1 System board includes replacement thermal material 2 Access panel 3 Front bezel 4 Power supply 180W 92 efficient 180W 85 efficient 5 Fan sink includes replacement thermal material 6 Memory modules PC4 2400 16 GB Computer major components 5 ...

Страница 14: ...cessor Intel Core i3 7100 processor Intel Core i7 6700 processor Intel Core i5 6600 processor Intel Core i5 6500 processor Intel Core i3 6100 processor Intel Pentium G4620 processor Intel Pentium G4600 processor Intel Pentium G4560 processor Intel Pentium G4400 processor Intel Celeron G3950 processor Intel Celeron G3930 processor Intel Celeron G3900 processor not illustrated 6 Chapter 2 Illustrate...

Страница 15: ...et 6 Optical drive bezel Chassis stand Dust filter bezel Antenna kit WLAN Hard drive conversion bracket 2 5 inch to 3 5 inch Card reader USB 3 0 Slim optical drive bezel blank Hood sensor Rubber foot Grommet hard drive isolation blue Wireless antenna kit for use with WLAN modules Security components Misc parts 7 ...

Страница 16: ...P master keyed cable lock 10 mm Mouse PS2 optical USB laser USB optical Antimicrobial People s Republic of China only Washable USB grey HP USB Hardened Keyboards HP USB slim HP antimicrobial USB PS2 Washable Wireless keyboard mouse and receiver PS 2 slim not illustrated 8 Chapter 2 Illustrated parts catalog ...

Страница 17: ...straight ends 3 SATA data cable 5 7 inch 2 straight ends DisplayPort cable DVI DVI cable Adapters PCIe to M 2 adapter with full sized bracket DisplayPort to HDMI 1 4 DisplayPort to VGA DisplayPort to DVI DVI to VGA USB C to DisplayPort USB C to USB 3 0 PCIe to M 2 adapter not illustrated Cables and adapters 9 ...

Страница 18: ...elf encrypting drive SED 500 GB 5400 rpm FIPS 500 GB 5400 rpm hybrid SSD Solid state drives 2280 2 5 inch 512 GB SED OPAL 2 TLC 512 GB FIPS 140 2 256 GB SED OPAL 2 TLC 256 GB FIPS 140 2 256 GB 128 GB Solid state drives 2280 NVMe M 2 1 TB 512 GB MLC 512 GB TLC 256 GB MLC 256 GB TLC Optical drives 9 5 mm DVD RW drive DVD ROM drive Slim optical drive bezel Slim optical drive latch Grommet hard drive ...

Страница 19: ...NIC single port Option boards DisplayPort USB Type C VGA Parallel port PS 2 serial port USB 3 1 Type Cx1 PCIe x1 card WLAN modules Intel 8265 802 11AC 2x2 Wi Fi Bluetooth M 2 Combo Card non VPro Intel 7265 802 11AC 2x2 Wi Fi Bluetooth M 2 Combo Card non VPro Intel 3168 802 11AC 2x2 Wi Fi Bluetooth M 2 Combo Card non VPro Cards boards modules 11 ...

Страница 20: ...sudden discharge of static electricity from your finger or other conductor can destroy static sensitive devices or microcircuitry Often the spark is neither felt nor heard but damage occurs An electronic device exposed to electrostatic discharge ESD may not appear to be affected at all and can work perfectly throughout a normal cycle The device may function normally for a while but it has been deg...

Страница 21: ...ounding precautions are necessary to prevent damage to electric components and accessories To avoid hand contact transport products in static safe containers such as tubes bags or boxes Protect all electrostatic parts and assemblies with conductive or approved containers or packaging Keep electrostatic sensitive parts in their containers until they arrive at static free stations Place items on a g...

Страница 22: ...f power and input signals before inserting and removing connectors or test equipment Use fixtures made of static safe materials when fixtures must directly contact dissipative surfaces Keep work area free of nonconductive materials such as ordinary plastic assembly aids and Styrofoam Use field service tools such as cutters screwdrivers and vacuums that are conductive Recommended materials and equi...

Страница 23: ...ch other that they are subject to each other s re circulated or preheated air If the computer is to be operated within a separate enclosure intake and exhaust ventilation must be provided on the enclosure and the same operating guidelines listed above will still apply Keep liquids away from the computer and keyboard Never cover the ventilation slots on the monitor with any type of material Install...

Страница 24: ... much air pressure can dislodge lubricants applied under the wide keys If you remove a key use a specially designed key puller to prevent damage to the keys This tool is available through many electronic supply outlets CAUTION Never remove a wide leveled key like the space bar from the keyboard If these keys are improperly removed or installed the keyboard may not function properly Cleaning under ...

Страница 25: ...eassembly process it can damage the unit HP strongly recommends that all screws removed during disassembly be kept with the part that was removed then returned to their proper locations CAUTION Metric screws have a black finish U S screws have a silver finish and are used on hard drives only CAUTION As each subassembly is removed from the computer it should be placed away from the work area to pre...

Страница 26: ...ime of about three years See the appropriate removal and replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures WARNING This computer contains a lithium battery There is a risk of fire and chemical burn if the battery is handled improperly Do not disassemble crush puncture short external contacts dispose in water or fire or expose it to ...

Страница 27: ...etry count If the drive determines that a failure is imminent it generates a fault alert Cable management Always follow good cable management practices when working inside the computer Keep cables away from major heat sources like the heat sink Do not jam cables on top of expansion cards or memory modules Printed circuit cards like these are not designed to take excessive pressure on them Keep cab...

Страница 28: ...s from the computer 3 Turn off the computer properly through the operating system then turn off any external devices 4 Disconnect the power cord from the power outlet and disconnect any external devices CAUTION Turn off the computer before disconnecting any cables Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outle...

Страница 29: ...paration for disassembly on page 20 2 Slide the access panel release lever to the right 1 so that it locks into place Then slide the access panel back 2 and lift it off the computer 3 To install the access panel reverse the removal procedure Access panel 21 ...

Страница 30: ...y on page 20 2 Remove the access panel Access panel on page 21 3 Lift up the four tabs on the top of the bezel 1 and then rotate the bezel off the chassis 2 To install the front bezel reverse the removal procedure 22 Chapter 4 Removal and replacement procedures Small Form Factor ...

Страница 31: ...e 20 2 Remove the access panel Access panel on page 21 3 Remove the front bezel Front bezel on page 22 4 Then press inward on the tab on the left side of the blank 1 and then rotate the blank off the front bezel 2 NOTE After removing the slim optical drive bezel blank and installing a slim optical drive you can install an optional bezel trim piece available from HP that surrounds the front of the ...

Страница 32: ...and replace the dust filter 1 Prepare the computer for disassembly Preparation for disassembly on page 20 2 To remove the dust filter use your fingers to separate the filter from the front bezel at the tab locations shown below 3 Use a soft brush or cloth to clean dust from the filter If heavily soiled rinse the filter clean with water 4 To replace the dust filter press the filter firmly onto the ...

Страница 33: ...a cables from the rear of all drives in the drive cage 4 To remove the drive cage push the release lever on the left side of the cage inward 1 lift the left side of the cage up 2 and then slide the right side of the cage out of the chassis 3 5 To replace the drive cage slide the tabs on the left side of the drive cage into the slots on the chassis 1 and then press the right side of the drive cage ...

Страница 34: ...r system operation the DIMMs must adhere to the following specifications Industry standard 288 pin Unbuffered non ECC PC4 19200 DDR4 2400 MHz compliant 1 2 volt DDR4 SDRAM memory modules CAS latency 17 DDR4 2400 MHz 17 17 17 timing Mandatory JEDEC SPD information The computer supports the following 512 Mb 1 Gb 2 Gb and 4 Gb non ECC memory technologies Single sided and double sided memory modules M...

Страница 35: ...lanced so that the largest amount of memory is spread between the two channels If one channel will have more memory than the other the larger amount should be assigned to Channel A For example if you are populating the sockets with one 2 GB DIMM and three 1 GB DIMMs Channel A should be populated with the 2 GB DIMM and one 1 GB DIMM and Channel B should be populated with the other two 1 GB DIMMs Wi...

Страница 36: ...t When handling a memory module be careful not to touch any of the contacts Doing so may damage the module 1 Prepare the computer for disassembly Preparation for disassembly on page 20 2 Remove the access panel Access panel on page 21 3 Remove the front bezel Front bezel on page 22 4 Remove the drive cage Drive cage on page 25 5 Open both latches of the memory module socket 1 and insert the memory...

Страница 37: ...the first primary card must be installed in the PCI Express x16 socket To remove replace or add an expansion card 1 Prepare the computer for disassembly Preparation for disassembly on page 20 2 Remove the access panel Access panel on page 21 3 Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis 4 Rotate the slot co...

Страница 38: ...the slot cover back and forth 2 to break it free from the chassis b If you are removing a PCI Express x4 card hold the card at each end and carefully rock it back and forth until the connectors pull free from the socket Lift the card straight up 1 and then away from the inside of the chassis 2 to remove it Be sure not to scrape the card against other components 30 Chapter 4 Removal and replacement...

Страница 39: ...sion slot cover to close the open slot IMPORTANT After removing an expansion card you must replace it with a new card or expansion slot cover for proper cooling of internal components during operation 8 To install a new expansion card hold the card just above the expansion socket on the system board then move the card toward the rear of the chassis 1 so that the bottom of the bracket on the card s...

Страница 40: ...ace to secure the expansion card 10 Connect external cables to the installed card if needed Connect internal cables to the system board if needed 11 Reconfigure the computer if necessary 32 Chapter 4 Removal and replacement procedures Small Form Factor ...

Страница 41: ... 2 PCI Express x4 X4PCIEXP Black Expansion card 3 Battery BAT Black Battery 4 DIMM4 Channel A DIMM4 White Memory module 5 DIMM3 Channel A DIMM3 Black Memory module 6 DIMM2 Channel B DIMM2 White Memory module 7 DIMM1 Channel B DIMM1 Black Memory module 8 M 2 WLAN WLAN Black M 2 WLAN card 9 M 2 SSD SSD Black M 2 SSD storage card 10 SATA 3 0 SATA0 Dark blue Hard drive 11 SATA 3 0 SATA1 Light blue Opt...

Страница 42: ...S 500 GB 5400 rpm hybrid SSD Solid state drives 2280 2 5 inch 512 GB SED OPAL 2 TLC 512 GB FIPS 140 2 256 GB SED OPAL 2 TLC 256 GB FIPS 140 2 256 GB 128 GB Solid state drives 2280 NVMe M 2 1 TB 512 GB MLC 512 GB TLC 256 GB MLC 256 GB TLC Optical drives 9 5 mm DVD RW drive DVD ROM drive Slim optical drive bezel Slim optical drive latch Grommet hard drive isolation blue When installing drives follow...

Страница 43: ...efore handling a drive be sure that you are discharged of static electricity While handling a drive avoid touching the connector Handle a drive carefully do not drop it Do not use excessive force when inserting a drive Avoid exposing a hard drive to liquids temperature extremes or products that have magnetic fields such as monitors or speakers If a drive must be mailed place the drive in a bubble ...

Страница 44: ... Access panel on page 21 3 Disconnect the power cable 1 and data cable 2 from the rear of the optical drive IMPORTANT When removing the cables pull the tab or connector instead of the cable itself to avoid damaging the cable 4 Push the green release latch on the right rear side of the drive toward the center of the drive 1 and then slide the drive forward and out of the bay 2 36 Chapter 4 Removal ...

Страница 45: ...n a bay covered by a bezel blank remove the front bezel and then remove the bezel blank See Bezel blank on page 23 for more information 4 Align the small pin on the release latch with the small hole on the side of the drive and press the latch firmly onto the drive 5 Slide the optical drive through the front bezel all the way into the bay 1 so that the latch on the rear of the drive locks into pla...

Страница 46: ... Removing and replacing a 3 5 inch hard drive CAUTION All removable media should be taken out of a drive before removing the drive from the computer 1 Prepare the computer for disassembly Preparation for disassembly on page 20 2 Disconnect the data cable 1 and power cable 2 from the rear of the hard drive IMPORTANT When removing the cables pull the tab or connector instead of the cable itself to a...

Страница 47: ...silver and blue mounting screws NOTE If replacing a 3 5 inch hard drive transfer the mounting screws from the old hard drive to the new hard drive You can purchase extra mounting screws from HP Install four silver and blue 6 32 mounting screws two on each side of the drive You can also install a 2 5 inch hard drive into a 3 5 inch drive bay using an adapter bracket similar to the example shown bel...

Страница 48: ...the drive to the bay adapter bracket by installing four black M3 adapter bracket screws through the underside of the bracket and into the drive 40 Chapter 4 Removal and replacement procedures Small Form Factor ...

Страница 49: ... screws in the adapter bracket two on each side of the bracket 5 Align the mounting screws with the slots on the chassis drive cage press the hard drive down into the bay and then slide the drive back until it stops and locks in place Drives 41 ...

Страница 50: ...E The computer supports 2230 and 2280 M 2 SSD cards 1 Prepare the computer for disassembly Preparation for disassembly on page 20 2 Remove the access panel Access panel on page 21 3 Remove the front bezel Front bezel on page 22 4 Remove the drive cage Drive cage on page 25 5 To remove an M 2 SSD card remove the screw that secures the card 1 lift the end of the card up 2 and then slide the card out...

Страница 51: ...d connector while holding the card at approximately a 30 angle 1 Press the other end of the card down 2 and then secure the card with the screw 3 7 Replace the drive cage 8 Reconnect the power and data cables to all drives in the drive cage and reassemble the computer Drives 43 ...

Страница 52: ... the access panel Access panel on page 21 3 Remove the drive cage Drive cage on page 25 4 Remove the power cable from the clips at the top of the duct 1 5 Pull the tabs away from each other 2 and then lift the fan duct out of the computer 3 To install the fan duct reverse the removal procedures 44 Chapter 4 Removal and replacement procedures Small Form Factor ...

Страница 53: ... Remove fan sink retaining screws in diagonally opposite pairs as in an X to even the downward forces on the processor This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board 6 Remove the fan sink assembly from the computer When reinstalling the fan sink make sure that its bottom has been cleaned with an alcohol wipe and...

Страница 54: ...essor Intel Pentium G4560 processor Intel Pentium G4400 processor Intel Celeron G3950 processor Intel Celeron G3930 processor Intel Celeron G3900 processor 1 Prepare the computer for disassembly Preparation for disassembly on page 20 2 Remove the access panel Access panel on page 21 3 Remove the drive cage Drive cage on page 25 4 Remove the fan sink Fan sink on page 45 5 Rotate the locking lever t...

Страница 55: ...replace the system board The heat sink must be installed within 24 hours of installing the processor to prevent damage to the processor s solder connections NOTE After installing a new processor onto the system board always update the system ROM to ensure that the latest version of the BIOS is being used on the computer The latest system BIOS can be found on the Web at http www8 hp com us en suppo...

Страница 56: ...bly Preparation for disassembly on page 20 2 Remove the access panel Access panel on page 21 3 Remove the drive cage Drive cage on page 25 4 Disconnect the antenna cables from the module 1 5 Remove the screw 2 that secures the module to the computer 6 Lift the module upward 3 and then pull the module to remove it from the socket 4 To install the WLAN module reverse the removal procedure NOTE WLAN ...

Страница 57: ...ard when the computer is plugged into an active AC outlet To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and or the AC outlet before opening the computer 1 Prepare the computer for disassembly Preparation for disassembly on page 20 2 Remove the access panel Access panel on page 21 3 Remove the drive cage Drive cage on page 25 4...

Страница 58: ...7 Slide the power supply forward 4 and then lift it out of the chassis To install the power supply reverse the removal procedure 50 Chapter 4 Removal and replacement procedures Small Form Factor ...

Страница 59: ... 2 Remove the access panel Access panel on page 21 3 Remove the drive cage Drive cage on page 25 4 Disconnect the cable from the system board connector labeled SATA PWR0 The following image illustrates the cable To install the drive power cable reverse the assembly procedures Drive power cable 51 ...

Страница 60: ... Access panel on page 21 3 Remove the front bezel Front bezel on page 22 4 Remove the drive cage Drive cage on page 25 5 From the outside front of the chassis remove the Phillips screw that secures the speaker to the chassis 6 On the inside of the chassis disconnect the speaker cable from the system board connector labeled SPKR 52 Chapter 4 Removal and replacement procedures Small Form Factor ...

Страница 61: ...7 Remove the speaker cable from the clips built into the bottom of the chassis 1 and then remove the speaker from the computer 2 To install the speaker reverse the removal procedures Speaker 53 ...

Страница 62: ... drive cage Drive cage on page 25 4 From the outside of the chassis remove the two nuts that secure the assembly to the rear of the computer 5 From the inside of the chassis disconnect the cable from the system board connector labeled COMB 1 6 Pull the serial port assembly away from the rear of the computer to remove it 2 To install the serial port connector assembly reverse the removal procedures...

Страница 63: ...ess panel Access panel on page 21 3 Remove the drive cage Drive cage on page 25 4 From the inside of the chassis remove the two Phillips screws that secure the assembly to the system board 1 5 Pull the option port assembly up to disengage it from the connector on the system board and then remove the assembly 2 To install the option port connector assembly reverse the removal procedures Option port...

Страница 64: ...rom the defective system board and installed on the replacement system board Memory modules Memory on page 26 Expansion cards Expansion card on page 29 Fan sink Fan sink on page 45 Processor Processor on page 46 5 Disconnect all data and power cables from the system board 6 Remove the front panel by rotating the left side of the panel upward 1 and then lifting the panel off the front of the comput...

Страница 65: ...and the pull the system board away from and out of the computer 2 To install the system board reverse the removal procedure NOTE When replacing the system board you must also change the chassis serial number in the BIOS CAUTION When reconnecting the cables it is important that they be positioned correctly System board 57 ...

Страница 66: ... blue Any SATA Device other than the primary hard drive DIMM2 Black Memory module PSWD Blue Clear system passwords DIMM3 White Memory module BATTERY Black RTC battery DIMM4 Black Memory module CMOS Yellow Reset CMOS SPKR White Speaker X16PCIEXP White Expansion card WLAN Black M 2 WLAN module X4PCIEXP Black Expansion card SSD Black M 2 solid state drive COMB Black Optional serial port PWRCMD White ...

Страница 67: ...e the front bezel Front bezel on page 22 4 Remove the drive cage Drive cage on page 25 5 Disconnect the antennas from the WLAN module M 2 WLAN module on page 48 6 On the front of the computer remove the Torx screw that secures the antenna to the computer 7 On the rear of the computer squeeze the cover and remove it from the computer Antennas 59 ...

Страница 68: ... the computer 9 Inside of the computer remove the antenna cables that route along the sides of the computer 10 On the inside rear of the computer remove the antenna cable by routing it though the hole in the computer 60 Chapter 4 Removal and replacement procedures Small Form Factor ...

Страница 69: ...11 On the inside front of the computer remove the antenna cable by routing it though the hole in the computer To install the antennas reverse the removal procedures Antennas 61 ...

Страница 70: ...d disconnect any external devices IMPORTANT Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet To prevent damage to internal components you must disconnect the power cord from the power source before opening the computer 5 Orient the computer so that its right side is facing down and place the computer in the opt...

Страница 71: ... different types of boot sources Configure features such as Secure Boot power management virtualization support and language and keyboard type used in Setup and POST Replicate the system setup by saving system configuration information on a USB device and restoring it on one or more computers Enable or disable DriveLock security or securely erase a hard drive when supported by drive Using Computer...

Страница 72: ...anced and Main menus to those previously saved by Save Custom Defaults select Apply Custom Defaults and Exit If no custom defaults have been saved then factory defaults are used NOTE Settings in the Security menu are not modified by Apply Defaults Those values are reset by Restore Security Settings to Factory Defaults at the bottom of the Security menu NOTE Not all settings shown in the following ...

Страница 73: ...e Firmware System BIOS version ME Firmware version Intel only Video BIOS version Reference code version Super I O Firmware version USB Type C controller s firmware version Service Born on date Serial number SKU number UUID Universally Unique Identifier Asset tracking number Feature byte Build ID Product family System board ID System board CT number Communication Integrated MAC Address System Diagn...

Страница 74: ...er BIOS Restricted rollback to older BIOS Allow BIOS updates using a network BIOS Update Preferences Allows the administrator to select the source of network updates www hp com or another network server and allows configuration of a periodic check for updates including policies for Check for updates and prompt the user to accept or reject the update at that time Check for updates and install all n...

Страница 75: ...tem ROM WMI commands that change system settings BIOS Configuration Utility BCU Alternative power on password NOTE Creating a BIOS user disables the Fast Boot option NOTE If the password is set it is required to change Computer Setup options update the BIOS and make changes to certain plug and play settings under Windows Change BIOS Administrator Password This selection is active only if a BIOS ad...

Страница 76: ...cannot prevent changes that may occur while the operating system is running Restores the backup Master Boot Record to the current bootable disk Default is disabled Only appears if all of the following conditions are true MBR security is enabled A backup copy of the MBR has been previously saved The current bootable disk is the same disk from which the backup copy was saved CAUTION Restoring a prev...

Страница 77: ...nus in F10 Setup and the keyboard layout Scheduled Power On This feature wakes the system up from a powered off state at a specified date and time Boot Options Select the devices that the computer can boot from as well as other options including Startup Menu Delay sec Enabling this feature will add a user specified delay to the POST process One purpose for the delay is to provide additional time t...

Страница 78: ...ey settings Import Custom Secure Boot keys Default is disabled Clear Secure Boot Keys Lets you delete any previously loaded custom boot keys Clearing keys will disable secure boot Default is disabled Reset Secure Boot keys to factory defaults Default is disabled Enable MS UEFI CA key Disabling this setting alters the Secure Boot key list to further restrict the allowed software components Set this...

Страница 79: ...lacement reminder which can be set for 15 30 60 90 120 or 180 days The reminder will show during POST after the reminder timer has expired Video Memory Size Use this option to manage graphics memory allocation The value you choose is allocated permanently to graphics and is unavailable to the operating system Audio Device Select to show the device in the operating system Default is enabled Interna...

Страница 80: ...disable Allows certain operating systems to reduce processor voltage and frequency when the current software load does not require the full capabilities of the processor Default is enabled Extended Idle Power States enable disable Allows certain operating systems to decrease the processors power consumption when the processor is idle Default is enabled S5 Maximum Power Savings enable disable Enabl...

Страница 81: ...on operations The emulation options allow administrators to select which mode works best with their console Show Unconfigure ME Confirmation Prompt enable disable Default is enabled Verbose Boot Messages enable disable Default is enabled Verbose boot shows additional logging information during the boot mainly for debugging if something goes wrong during bootup Watchdog Timer enable disable Default...

Страница 82: ...device This file can be edited to change the settings on Restore An asterisk marks the selected option for a setting NOTE It is recommended that you save any modified computer configuration settings to a USB flash media device and save the device for possible future use To restore the configuration insert the USB flash media device with the saved configuration and perform the Restore from Removabl...

Страница 83: ...d The flashing lights are error codes that will help you diagnose the problem Refer to POST error messages and diagnostic front panel LEDs and audible codes on page 106 for more information If the screen is blank plug the monitor into a different video port on the computer if one is available Or replace the monitor with a monitor that you know is functioning properly If you are working on a networ...

Страница 84: ... green monitor light is on Check the Power LED on the front of the computer to see if it is flashing red The flashing lights are error codes that will help you diagnose the problem Refer to POST error messages and diagnostic front panel LEDs and audible codes on page 106 for more information Turn up the brightness and contrast controls of the monitor if the monitor is dim Press and hold any key If...

Страница 85: ... is always applied to the system board To reduce the risk of personal injury from electrical shock and or hot surfaces be sure to disconnect the power cord from the wall outlet and allow the internal system components to cool before touching Cannot access the Computer Setup F10 Utility when booting the computer Cause Solution The Computer Setup F10 Utility is set to fast boot causing the F10 acces...

Страница 86: ...sure the external speakers are properly connected and powered on and that the speakers volume control is set correctly 3 Use the system volume control available in the operating system to make sure the speakers are not muted or to increase the volume Cannot remove computer cover or access panel Cause Solution Smart Cover Lock featured on some computers is locked Unlock the Smart Cover Lock using C...

Страница 87: ...Utility click Open Task Manager c Select applications that you do not want to launch automatically and the click Disable Some software applications especially games are stressful on the graphics subsystem 1 Lower the display resolution for the current application or consult the documentation that came with the application for suggestions on how to improve performance by adjusting parameters in the...

Страница 88: ...e system board turns on 3 Replace the system board OR Press and hold the power button for less than 4 seconds If the hard drive LED does not turn on white then 1 Check that the unit is plugged into a working AC outlet 2 Open the access panel and check that the power button cable is properly connected to the system board 3 Check that the power supply cables are properly connected to the system boar...

Страница 89: ...or other system fan spins If the fan does not spin make sure the fan cable is plugged onto the system board header 3 If fan a plugged in and not spinning replace it Power LED flashes Red four times once every second followed by a two second pause and the computer beeps four times Beeps stop after fifth iteration but LEDs continue flashing Computer powered off automatically and the Power LED flashe...

Страница 90: ...r from the list of applications In the left column expand This PC right click on a drive select Properties and then select the Tools tab Under Error checking click Check Drive not found identified Cause Solution Cable could be loose Check cable connections The system may not have automatically recognized a newly installed device See reconfiguration directions in the Solving Hardware Installation P...

Страница 91: ...ed Boot Options and ensure the bootable hard drive is listed immediately under the Hard Drive entry Computer will not boot from hard drive Cause Solution The device is attached to a SATA port that has been hidden in Computer Setup 1 Check SATA cable connections 2 Run the Computer Setup utility and ensure Device Available is selected for the device s SATA port in Advanced Port Options Boot order is...

Страница 92: ...ous section for a list of compatible cards Media card is locked Locking the media card is a safety feature that prevents writing to and deleting from an SD Memory Stick PRO card If using an SD card make sure that the lock tab located on the right of the SD card is not in the locked position If using a Memory Stick PRO card make sure that the lock tab located on the bottom of the Memory Stick PRO c...

Страница 93: ...that the monitor light is on Bad monitor Try a different monitor The cable connections are not correct Check the cable connection from the monitor to the computer and to the electrical outlet You may have a screen blanking utility installed or energy saver features are enabled Press any key or click the mouse button and type your password if set System ROM is corrupted system is running in Boot Bl...

Страница 94: ...e Solution Pre video memory error 1 Reseat DIMMs Power on the system 2 Replace DIMMs one at a time to isolate the faulty module 3 Replace third party memory with HP memory 4 Replace the system board Blank screen and the power LED flashes Red six times once every second followed by a two second pause and the computer beeps six times Beeps stop after fifth iteration but LEDs continue flashing Cause ...

Страница 95: ...displaying requested resolution Change requested resolution Graphics card is bad Replace the graphics card The picture is broken up rolls jitters or flashes Cause Solution The monitor connections may be incomplete or the monitor may be incorrectly adjusted 1 Be sure the monitor cable is securely connected to the computer 2 In a two monitor system or if another monitor is in close proximity be sure...

Страница 96: ...e mode Safe Mode displays in the corners of your monitor To exit safe mode restart your computer and let Windows start normally To enter Safe Mode in Windows 10 1 Log into the computer using an Administrator account 2 Type msconfig in the taskbar search box and then select msconfig from the list of applications 3 Click the Boot tab select Safe boot and then click OK High pitched noise coming from ...

Страница 97: ... and then select Character Map from the list of applications Solving audio problems If the computer has audio features and you encounter audio problems see the common causes and solutions listed in the following table Headset microphone connected to the front is not working or is very quiet Cause Solution The front Headset connector supports CTIA Cellular Telephone Industries Association style hea...

Страница 98: ... speaker in Computer Setup Select Advanced Built in Device Options The application is set to use a different audio device than speakers Some graphics cards support audio over the DisplayPort connection if applicable so multiple audio devices may be listed in Device Manager Make sure the correct device is being used To access Device Manager in Windows 7 click Start select Control Panel and then sel...

Страница 99: ...ted the correct audio device The operating system controls may be set to use a different audio device as the default output device than what is expected Set the operating system to use the correct audio device Solving printer problems If you encounter printer problems see the documentation that came with the printer and to the common causes and solutions listed in the following table Printer will ...

Страница 100: ...correctly Symptoms include lagging mouse movement jumpy mouse keyboard or no function of mouse keyboard and external drive Cause Solution If your computer is equipped with USB 3 0 ports connected USB 3 0 devices can interfere with the wireless keyboard USB receiver Connect the wireless keyboard USB receiver to a USB 2 0 port that is separated from ports with USB 3 0 devices If you still experience...

Страница 101: ...e menu and then press Enter 3 Use the arrow keys to select Shut Down and then press Enter 4 After the shutdown is complete plug the mouse connector into the back of the computer or the keyboard and restart Program in use has stopped responding to commands Shut down the computer using the keyboard then restart the computer Mouse may need cleaning Remove the roller ball cover on the mouse and clean ...

Страница 102: ...is not turned on Turn off the computer turn on the external device then turn on the computer to integrate the device with the computer system When the system advised you of changes to the configuration you did not accept them Reboot the computer and follow the instructions for accepting the changes A plug and play board may not automatically configure when added if the default configuration confli...

Страница 103: ...party memory with HP memory 4 Replace the system board Solving Network Problems Some common causes and solutions for network problems are listed in the following table These guidelines do not discuss the process of debugging the network cabling Table 6 2 Solving Network Problems Network driver does not detect network controller Cause Solution Network controller is disabled 1 Run Computer Setup and...

Страница 104: ...roperly loaded Reinstall network drivers System cannot autosense the network Disable auto sensing capabilities and force the system into the correct operating mode Diagnostics reports a failure Cause Solution The cable is not securely connected Ensure that the cable is securely attached to the network connector and that the other end of the cable is securely attached to the correct device The cabl...

Страница 105: ...einstall the network drivers using the Recovery Disc Set in Windows 7 If necessary download the softpaq from the web from a different computer The cable is not securely connected Ensure that the cable is securely attached to the network connector and that the other end of the cable is securely attached to the correct device The network controller is defective Contact an authorized service provider...

Страница 106: ...E firmware for Out of Band OOB third party data storage and other management functions System will not boot or does not function properly after installing additional memory modules Cause Solution A memory module is not installed in the DIMM1 or XMM1 socket Ensure that a memory module is installed in the DIMM1 or XMM1 socket on the system board This socket must be populated with a memory module Mem...

Страница 107: ...is attached to a SATA port that has been hidden in the Computer Setup utility Run the Computer Setup utility and ensure Device Available is selected for the device s SATA port in Advanced Port Options Removable Media Boot is disabled in the Computer Setup utility Run the Computer Setup utility and enable booting to removable media in Advanced Boot Options Network Boot is enabled in Computer Setup ...

Страница 108: ...t installed Install decoder software Damaged media Replace media Movie rating locked out by parental lock Use DVD software to remove parental lock Media installed upside down Reinstall media Cannot eject compact disc tray load unit Cause Solution Disc not properly seated in the drive Turn off the computer and insert a thin metal rod into the emergency eject hole and push firmly Slowly pull the tra...

Страница 109: ...y media type 1 Try using a slower speed when recording 2 Verify that you are using the correct media for the drive 3 Try a different brand of media Quality varies widely between manufacturers Solving USB flash drive problems If you encounter USB flash drive problems common causes and solutions are listed in the following table USB flash drive is not seen as a drive letter in Windows Cause Solution...

Страница 110: ...etup utility Run the Computer Setup utility and enable booting to removable media in Advanced Boot Options Ensure USB is enabled in Storage Boot Order The computer boots to DOS after making a bootable flash drive Cause Solution Flash drive is bootable Install the flash drive only after the operating system boots Flash drive is defective Try a different flash drive 102 Chapter 6 Troubleshooting wit...

Страница 111: ...he common causes and solutions listed in the following table Unable to connect to the Internet Cause Solution Internet Service Provider ISP account is not set up properly Verify Internet settings or contact your ISP for assistance Web browser is not set up properly Verify that the Web browser is installed and set up to work with your ISP Cable DSL modem is not plugged in Plug in cable DSL modem Yo...

Страница 112: ...ox and then select Control Panel from the list of applications 2 Click Internet Options 3 In the Browsing history section click the Delete button 4 Select the Cookies and website data check box and click the Delete button Cannot automatically launch Internet programs Cause Solution You must log on to your ISP before some programs will start Log on to your ISP and launch the desired program 104 Cha...

Страница 113: ...mputer will not continue and the HP logo does not display Cause Solution ROM issue POST error has occurred Observe the beeps and LED lights on the front of the computer See POST error messages and diagnostic front panel LEDs and audible codes on page 106 to determine possible causes See the Worldwide Limited Warranty for terms and conditions Illegal Operation has Occurred error message is displaye...

Страница 114: ...hedule reconfigure the computer to the Full Boot Every x Days mode using Computer Setup NOTE For more information on Computer Setup see Computer Setup F10 Utility on page 63 POST numeric codes and text messages This section covers those POST errors that have numeric codes associated with them The section also includes some text messages that may be encountered during POST NOTE The computer will be...

Страница 115: ...g POST execution of the Management Engine ME BIOS Extensions option ROM 1 Reboot the computer 2 Unplug the power cord re seat the memory modules and reboot the computer 3 If the memory configuration was recently changed unplug the power cord restore the original memory configuration and reboot the computer 4 If the error persists replace the system board 00C PMM Deallocation Error during MEBx Clea...

Страница 116: ...cal SPD information or is incompatible with the chipset 1 Verify proper memory module type 2 Try another memory socket 3 Replace with a supported module 2E4 DIMM Configuration Warning The current memory configuration is not optimized Rearrange the DIMMs so that each channel has the same amount of memory 2E5 ECC Memory Module Detected on Unsupported Platform Recently added memory module s support E...

Страница 117: ...ot found Insert boot device or load operating system 3F1 Hard Disk 1 Error Hard disk 1 error 1 Check and or replace cables 2 Clear CMOS See Password security and resetting CMOS on page 113 3 Replace the hard disk drive 3F2 Hard Disk 2 Error Hard disk 2 error 1 Check and or replace cables 2 Clear CMOS See Password security and resetting CMOS on page 113 3 Replace the hard disk drive 400 Serial Port...

Страница 118: ...n the system board 43B More Than One USB type C Cards Are Installed More than one USB type C card is installed Remove USB type C card so only one is installed 500 BIOS Recovery A system BIOS recovery has occurred Not applicable 70x Wireless Mode Not Supported The system has detected a wireless module installed in the system that is not supported and has been disabled Replace with a supported modul...

Страница 119: ... has proper airflow 90E Power Supply Fan Not detected Power supply fan is not connected or may have malfunctioned 1 Reseat power supply fan 2 Reseat fan cable 3 Replace power supply fan 910 Filter Warning Airflow filter is dirty Replace the airflow filter Interpreting system validation diagnostic front panel LEDs and audible codes During the system validation phase that occurs at system startup th...

Страница 120: ...troller is checking or recovering the boot block Hardware 3 2 The embedded controller has timed out waiting for BIOS to return from memory initialization 3 3 The embedded controller has timed out waiting for BIOS to return from graphics initialization 3 4 The system board displays a power failure crowbar 3 5 The processor is not detected 3 6 The processor does not support an enabled feature Therma...

Страница 121: ...OS button with power removed will reset the BIOS settings to factory defaults It may be useful to back up the BIOS settings or save them as custom defaults before resetting them in case they are needed later Back up can be performed in Computer Setup or using the BiosConfigUtility tool available from www hp com See Computer Setup F10 Utility on page 63 for information on backing up the BIOS settin...

Страница 122: ...rged of static electricity by briefly touching a grounded metal object See the Safety Regulatory Information guide for more information 3 Remove the access panel 4 Locate the header and jumper NOTE The password jumper is green so that it can be easily identified For assistance locating the password jumper and other system board components see the system board components image at System board callo...

Страница 123: ... electricity by briefly touching a grounded metal object See the Safety Regulatory Information guide for more information 3 Remove the access panel CAUTION Pushing the CMOS button will reset CMOS values to factory defaults It is important to back up the computer CMOS settings before resetting them in case they are needed later Back up is easily done through Computer Setup See Computer Setup F10 Ut...

Страница 124: ...e following order a Connected USB drive NOTE To download the HP PC Hardware Diagnostics UEFI tool to a USB drive see Downloading HP PC Hardware Diagnostics UEFI to a USB device on page 116 b Hard drive c BIOS 3 When the diagnostic tool opens select the type of diagnostic test you want to run and then follow the on screen instructions NOTE If you need to stop a diagnostic test press esc Downloading...

Страница 125: ...automatically detect your product 4 Select your computer and then select your operating system 5 In the Diagnostic section follow the on screen instructions to select and download the UEFI version you want Downloading HP PC Hardware Diagnostics UEFI to a USB device 117 ...

Страница 126: ...reates a backup of the HP Recovery partition on the computer The backup can be used to reinstall the original operating system in cases where the hard drive is corrupted or has been replaced For information on creating recovery media see Creating HP Recovery media select products only on page 118 For information on the recovery options that are available using the recovery media see Using Windows ...

Страница 127: ...tely to create recovery discs If you use an external optical drive it must be connected directly to a USB port on the computer the drive cannot be connected to a USB port on an external device such as a USB hub If you cannot create DVD media yourself you can obtain recovery discs for your computer from HP See the Worldwide Telephone Numbers booklet included with the computer You can also find cont...

Страница 128: ...very Manager offers the Remove Recovery Partition option For more information see Removing the HP Recovery partition select products only on page 123 Recovering using HP Recovery Manager HP Recovery Manager software allows you to recover the computer to its original factory state by using the HP Recovery media that you either created or that you obtained from HP or by using the HP Recovery partiti...

Страница 129: ...le keyboard connect the keyboard to the keyboard dock before beginning these steps select products only 1 Type recovery in the taskbar search box select Recovery Manager and then select HP Recovery Environment or For computers or tablets with keyboards attached press f11 while the computer boots or press and hold f11 as you press the power button For tablets without keyboards Turn on or restart th...

Страница 130: ...ery media 2 Access the system Startup menu For computers or tablets with keyboards attached Turn on or restart the computer or tablet quickly press esc and then press f9 for boot options For tablets without keyboards Turn on or restart the tablet and then quickly hold down the volume up button then select f9 or Turn on or restart the tablet and then quickly hold down the volume down button then se...

Страница 131: ...recovery media and backups Recovery after a system failure is only as good as your most recent backup 1 After you successfully set up the computer create HP Recovery media This step creates a Windows 7 operating system DVD and a Driver Recovery DVD The Windows DVD can be used to reinstall the original operating system in cases where the hard drive is corrupted or has been replaced The Driver Recov...

Страница 132: ...edia will not be available after you create a Windows DVD To create the Windows DVD 1 Select Start select All Programs select Productivity and Tools and then select HP Recovery Disc Creator 2 Select Windows disk 3 From the drop down menu select the drive for burning the recovery media 4 Click the Create button to start the burning process After the Windows 7 operating system DVD has been created c...

Страница 133: ...uter provides the following tools to recover your files Windows recovery tools You can use Windows Backup and Restore to recover information you have previously backed up You can also use Windows Startup Repair to fix problems that might prevent Windows from starting correctly f11 recovery tools select products only You can use the f11 recovery tools to recover your original hard drive image The i...

Страница 134: ...press f8 before the Windows operating system loads 4 Select Startup Repair 5 Follow the on screen instructions NOTE For additional information on recovering information using the Windows tools select Start and then select Help and Support Using f11 recovery tools select products only CAUTION Using f11 completely erases hard drive contents and reformats the hard drive All files that you have create...

Страница 135: ...t you have created and any software that you have installed on the computer are permanently removed When reformatting is complete the recovery process helps you restore the operating system as well as drivers software and utilities To initiate recovery using a Windows 7 operating system DVD NOTE This process takes several minutes 1 If possible back up all personal files 2 Restart the computer and ...

Страница 136: ...attery can be extended by plugging the computer into a live AC wall socket The lithium battery is only used when the computer is NOT connected to AC power HP encourages customers to recycle used electronic hardware HP original print cartridges and rechargeable batteries For more information about recycling programs go to http www hp com recycle 1 Remove disengage any security devices that prohibit...

Страница 137: ...he metal clamp that extends above one edge of the battery When the battery pops up lift it out 1 b To insert the new battery slide one edge of the replacement battery under the holder s lip with the positive side up Push the other edge down until the clamp snaps over the other edge of the battery 2 Type 3 a Pull back on the clip 1 that is holding the battery in place and remove the battery 2 129 ...

Страница 138: ...eps to complete this procedure 8 Replace the access panel 9 Plug in the computer and turn on power to the computer 10 Reset the date and time your passwords and any special system setups using Computer Setup 11 Lock any security devices that were disengaged when the access panel was removed 130 Appendix A Battery replacement ...

Страница 139: ...keyboard base before beginning steps in this chapter Current BIOS steps 1 Follow steps a through l below to restore the nonvolatile memory that can contain personal data Restoring or reprogramming nonvolatile memory that does not store personal data is neither necessary nor recommended a Turn on or restart the computer and then press esc while the Press the ESC key for Startup Menu message is disp...

Страница 140: ...or fingerprint reader one or two prompts will appear one to clear the TPM and the other to Reset Fingerprint Sensor press or tap F1 to accept or F2 to reject l Remove all power and system batteries for at least 24 hours 2 Complete one of the following Remove and retain the storage drive or Clear the drive contents by using a third party utility designed to erase data from an SSD or Clear the conte...

Страница 141: ... EEPROM 64 KBytes not customer accessible No Yes Stores NIC configuration and NIC firmware NIC EEPROM is programmed using a utility from the NIC vendor that can be run from DOS A utility is required to write data to this memory and is available from the NIC vendor Writing data to this ROM in an inappropriate manner will render the NIC non functional DIMM Serial Presence Detect SPD configuration da...

Страница 142: ...ing this utility Bluetooth flash select products only 2 Mbit No Yes Stores Bluetooth configuration and firmware Bluetooth flash is programmed at the factory Tools for writing data to this memory are not publicly available but can be obtained from the silicon vendor A utility is required for writing data to this memory and is made available through newer versions of the driver whenever the flash re...

Страница 143: ...ic system diagnostics The UEFI BIOS provides functionality beyond that of the legacy BIOS In addition the UEFI BIOS works to initialize the computer s hardware before loading and executing the OS the run time environment allows the loading and execution of software programs from storage devices to provide more functionality such as advanced hardware diagnostics with the ability to display more det...

Страница 144: ...t Keys a Turn on or restart the computer and then press esc while the Press the ESC key for Startup Menu message is displayed at the bottom of the screen b Select the Security menu select Secure Boot Configuration and then follow the on screen instructions c At the Secure Boot Configuration window select Secure Boot select Clear Secure Boot Keys and then follow the on screen instructions to contin...

Страница 145: ...ited agency responsible for evaluation in the country where the power cord set will be installed 2 The power cord set must have a minimum current capacity of 10A 7A Japan only and a nominal voltage rating of 125 or 250 volts AC as required by each country s power system 3 The diameter of the wire must be a minimum of 0 75 mm2 or 18AWG and the length of the cord must be between 1 8 m 6 feet and 3 6...

Страница 146: ... fittings appliance coupler and wall plug must bear the certification mark of the agency responsible for evaluation in the country where it will be used 2 The flexible cord must be Type SVT or equivalent No 18 AWG 3 conductor The wall plug must be a two pole grounding type with a NEMA 5 15P 15A 125V or NEMA 6 15P 15A 250V configuration 3 Appliance coupler flexible cord and wall plug must bear a T ...

Страница 147: ...C max wet bulb 10 90 5 95 10 90 5 95 Maximum Altitude unpressurized Operating Nonoperating 16 404 ft 50 000 ft 5000 m 15 240 m Power Supply Operating Voltage Range Rated Voltage Range1 Rated Line Frequency Operating Line Frequency 90 264 VAC 100 240 VAC 50 60 Hz 47 63 Hz 80 PLUS Bronze 180W active PFC 82 85 82 efficient at 20 50 100 load 115V 80 PLUS Platinum 180W active PFC 90 92 89 efficient at ...

Страница 148: ...ting 124 using for restore 127 drives locations 35 duct removal and replacement 44 dust filter 24 E electrostatic discharge ESD 12 preventing damage 13 error codes 106 111 messages 106 expansion card installation 29 removal 29 F F10 Setup access problem 77 f11 recovery 126 fan duct illustrated 7 fan sink illustrated 5 removal and replacement 45 fan power supply 17 flash drive problems 101 flashing...

Страница 149: ...nel 103 general 77 hard drive 82 hardware installation 94 Internet access 103 keyboard 92 Media Card Reader 84 memory 98 monitor 85 mouse 92 network 95 power 81 printer 91 software 105 processor removal and replacement 46 product ID location 4 R rear panel components 3 recover options 120 recovery discs 119 121 HP Recovery Manager 120 media 121 starting 121 supported discs 119 system 120 USB flash...

Страница 150: ...tem board connections 33 system memory removing personal data from volatile 131 system recovery 120 system restore point creating 119 system restore point creating 118 T tamper proof screws tool 17 temperature control 15 tools servicing 17 Torx T15 screwdriver 17 tower conversion 62 V ventilation proper 15 W Windows system restore point 118 119 Windows 10 backup and restore 118 Windows 7 backup an...

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