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Table 5-2

Computer Setup—Storage (continued)

Option

Description

select the preferred bootable device and press

Enter

. The computer then boots from the selected non-default

device for this one time.

Computer Setup—Security

NOTE:

Support for specific Computer Setup options may vary depending on the hardware configuration.

Table 5-3

Computer Setup—Security

Option

Description

Setup Password

Allows you to set and enable a setup (administrator) password.

NOTE:

If the setup password is set, it is required to change Computer Setup options, flash the ROM, and

make changes to certain plug and play settings under Windows.

Power-On Password

Allows you to set and enable a power-on password. The power-on password prompt appears after a
power cycle or reboot. If the user does not enter the correct power-on password, the unit will not boot.

Password Options

(This selection appears
only if a power-on
password or setup
password is set.)

Allows you to enable/disable:

●

Lock Legacy Resources (determines whether or not Windows Device Manager is allowed to change
resource settings for serial and parallel ports).

●

Stringent security (enabling the stringent password disables the ability to reset the password by
moving the jumper on the system board). Default is disabled.

CAUTION:

If you enable the stringent security feature and you forget the setup password or the

power-on password, the computer is inaccessible and can no longer be used.

If you lose or forget the password, the system board must be replaced. This scenario is not covered
under warranty.

To prevent the computer from becoming permanently unusable, record your configured setup
password or power-on password in a safe place away from your computer. Without these
passwords, the computer cannot be unlocked.

●

Setup Browse Mode (appears if a setup password is set) (allows viewing, but not changing, the F10
Setup Options without entering setup password). Default is enabled.

●

Password prompt on F9 & F12 (requires setup password to use these boot functions). Default is
enabled.

●

Network Server Mode. Default is disabled.

Device Security

Allows you to set Device Available/Device Hidden (default is Device Available) for:

●

System audio

●

Network controller

●

SATA ports (varies by model)

USB Security

Allows you to set Enabled/Disabled (default is Enabled) for:

●

Front USB Ports

●

Rear USB Ports

●

Internal USB Ports

Slot Security

Allows you to disable any PCI Express slot. Default is enabled.

Computer Setup (F10) Utilities

55

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Содержание 280 G2 MT Business

Страница 1: ...Maintenance and Service Guide HP 280 G2 Microtower Business PC HP 285 G2 Microtower Business PC ...

Страница 2: ...Edition February 2016 Document Part Number 854096 001 Product notice This user guide describes features that are common to most models Some features may not be available on your computer Not all features are available in all editions of Windows This computer may require upgraded and or separately purchased hardware drivers and or software to take full advantage of Windows functionality Go to http ...

Страница 3: ...w another hard surface such as an adjoining optional printer or a soft surface such as pillows or rugs or clothing to block airflow Also do not allow the AC adapter to contact the skin or a soft surface such as pillows or rugs or clothing during operation The device and the AC adapter comply with the user accessible surface temperature limits defined by the International Standard for Safety of Inf...

Страница 4: ...iv Safety warning notice ...

Страница 5: ...mation 9 Generating static 9 Preventing electrostatic damage to equipment 10 Personal grounding methods and equipment 10 Grounding the work area 10 Recommended materials and equipment 11 Operating guidelines 11 Routine care 12 General cleaning safety precautions 12 Cleaning the Computer Case 12 Cleaning the keyboard 12 Cleaning the monitor 13 Cleaning the mouse 13 Service considerations 13 Power s...

Страница 6: ... optical drive 31 Removing a hard drive 33 Installing a hard drive 34 Front I O and power switch assembly 37 Speaker 39 Rear chassis fan 40 Power supply 41 Fan sink 44 Processor for use in HP 280 G2 models Intel 45 Processor for use in HP 285 G2 models AMD 46 System board 47 System board callouts HP 280 Pro G2 Microtower models 48 System board callouts HP 280 G2 Microtower models 49 System board c...

Страница 7: ...SB flash drive problems 85 Solving front panel component problems 86 Solving Internet access problems 87 Solving software problems 88 7 POST error messages and diagnostic front panel LEDs and audible codes 89 POST numeric codes and text messages 89 Interpreting system validation diagnostic front panel LEDs and audible codes 94 8 Password security and resetting CMOS 96 Resetting the password jumper...

Страница 8: ...06 Creating recovery discs with HP Recovery Disc Creator select models only 107 Creating recovery discs 107 Backing up your information 107 System Restore 108 System Recovery 108 System Recovery when Windows is responding 109 System Recovery when Windows is not responding 109 System Recovery using recovery media select models only 110 Using HP Recovery Disc operating system discs select models onl...

Страница 9: ...guration features Features may vary depending 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 Standard configuration features 1 ...

Страница 10: ...optional NOTE When a device is plugged into the Microphone Headphone Connector a dialog box will pop up asking if you want to use the connector for a microphone Line In device or a headphone You can reconfigure the connector at any time by double clicking the Audio Manager icon in the Windows taskbar NOTE The Power On Light is normally white when the power is on If it is flashing red there is a pr...

Страница 11: ...ice or a microphone You can reconfigure the connector 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 s...

Страница 12: ...ur country or region and then follow the on screen instructions Computer major components Item Description 1 Access panel 2 Front bezel 3 Power supply 300W APFC For use only in HP 280 G2 Microtower models in the People s Republic of China 300W Energy Star For use only in HP 280 G2 Microtower models in the People s Republic of China 180W Energy Star 180W Energy Star for use in the APJ region 4 Chap...

Страница 13: ... 12800 1600 MHz 8 GB 4 GB 2 GB Processors for HP 280 G2 models include replacement thermal material Intel Core i7 6700 3 4 GHz Intel Core i5 6600 3 3 GHz Intel Core i5 6500 3 2 GHz Intel Core i3 6320 3 9 GHz Intel Core i3 6300 3 8 GHz Intel Core i3 6100 3 7 GHz Intel Pentium G4520 3 6 GHz Intel Pentium G4500 3 5 GHz Intel Pentium G4400 3 3 GHz Intel Celeron G3920 2 9 GHz Intel Celeron G3900 2 8 GH...

Страница 14: ...Item Description AMD A6 6400B 3 9 GHz AMD A6 5400B 3 6 GHz AMD A4 7300B 3 8 GHz AMD A4 6300B 3 7 GHz AMD A4 5300B 3 4 GHz not illustrated Misc parts 6 Chapter 2 Illustrated parts catalog ...

Страница 15: ...nversion bracket 2 5 inch to 3 5 inch HP 280 G2 models only HP Business PC Security Lock Keyed cable lock Grommet hard drive isolation blue Intel PRO 1000 Single Port GbE network adapter HP 280 G2 models only HP webcam 720p Wireless antenna for use with WLAN modules Mouse PS2 optical USB optical Antimicrobial for use only in the People s Republic of China USB unbranded HP USB Hardened Keyboards PS...

Страница 16: ...WLAN module 802 11 a b g n 2x2 with Bluetooth 4 0 WLAN module caddy card Bluetooth Drives Description Hard drives Solid state drives 2 TB 7200 rpm 1 TB 7200 rpm 500 GB 7200 rpm 256 GB Solid state Drive SSD 2 5 inch HP 280 G2 models only 128 GB Solid state Drive SSD 2 5 inch HP 280 G2 models only Grommet hard drive isolation blue Optical drives DVD RW drive DVD ROM drive 8 Chapter 2 Illustrated par...

Страница 17: ...e may function normally for a while but it has been degraded in the internal layers reducing its life expectancy Networks built into many integrated circuits provide some protection but in many cases the discharge contains enough power to alter device parameters or melt silicon junctions Generating static The following table shows that Different activities generate different amounts of static elec...

Страница 18: ...t snugly into the banana plug connector on the grounding mat or workstation Heel straps Toe straps Boot straps can be used at standing workstations and are compatible with most types of shoes or boots On conductive floors or dissipative floor mats use them on both feet with a maximum of one megohm 10 resistance between the operator and ground Static Shielding Protection Levels Method Voltage Antis...

Страница 19: ...d cold Operate the computer on a sturdy level surface Leave a 10 2 cm 4 inch clearance on all vented sides of the computer and above the monitor to permit the required airflow Never restrict the airflow into the computer by blocking any vents or air intakes Do not place the keyboard with the keyboard feet down directly against the front of the desktop unit as this also restricts airflow Occasional...

Страница 20: ...uted with water Rinse well by wiping it with a cloth or swab dampened with clear water For stubborn stains use isopropyl rubbing alcohol No rinsing is needed as the alcohol will evaporate quickly and not leave a residue After cleaning always wipe the unit with a clean lint free cloth Occasionally clean the air vents on the computer Lint and other foreign matter can block the vents and limit the ai...

Страница 21: ...ouse ensure that the power to the computer is turned off Clean the mouse ball by first removing the retaining plate and the ball from the housing Pull out any debris from the ball socket and wipe the ball with a clean dry cloth before reassembly To clean the mouse body follow the procedures in Cleaning the Computer Case on page 12 Service considerations Listed below are some of the considerations ...

Страница 22: ...applies to failed drives as well as replacement spares If a drive must be mailed place the drive in a bubble pack mailer or other suitable protective packaging and label the package Fragile Handle With Care Do not remove hard drives from the shipping package for storage Keep hard drives in their protective packaging until they are actually mounted in the computer Avoid dropping drives from any hei...

Страница 23: ...ble as it is fully backwards compatible with the SATA 1 5 Gb s drives Current HP desktop products ship with SATA 6 0 Gb s hard drives SATA data cables are susceptible to damage if overflexed Never crease a SATA data cable and never bend it tighter than a 30 mm 1 18 in radius The SATA data cable is a thin 7 pin cable designed to transmit data for only a single drive SMART ATA drives The Self Monito...

Страница 24: ...arts are moved When folding a flat ribbon cable never fold to a sharp crease Sharp creases may damage the wires Some flat ribbon cables come prefolded Never change the folds on these cables Do not bend any cable sharply A sharp bend can break the internal wires Never bend a SATA data cable tighter than a 30 mm 1 18 in radius Never crease a SATA data cable Do not rely on components like the drive c...

Страница 25: ...r 5 Turn off the computer and any peripheral devices that are connected to it 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 outlet In some systems the cooling fan is on even when the computer is in the Standby or Suspend modes The power cord should alway...

Страница 26: ... computer for disassembly Preparation for disassembly on page 17 2 Remove the two Torx screws 1 and then slide the panel back 2 and lift it off the computer 3 To replace the access panel reverse the disassembly procedures 18 Chapter 4 Removal and replacement procedures Microtower MT chassis ...

Страница 27: ...aration for disassembly on page 17 2 Remove the access panel Access panel on page 18 3 Lift up the three tabs on the side of the bezel 1 and then rotate the bezel off the chassis 2 To replace the front bezel reverse the disassembly procedures Front bezel 19 ...

Страница 28: ...access panel Access panel on page 18 3 Install a 6 32 screw through the front of the chassis and into the screw hole located below the center bezel release tab 4 Replace the computer access panel 5 Reconnect the power cord and any external devices and then turn on the computer 6 Lock any security devices that were disengaged when the access panel was removed 20 Chapter 4 Removal and replacement pr...

Страница 29: ...n optical drive To remove the bezel blank 1 Remove the access panel Access panel on page 18 2 Remove the front bezel Front bezel on page 19 3 To remove the bezel blank press upward on the bottom tab and press downward on the top tab on the side of the blank 1 and then rotate the blank off the front of the bezel 2 Slim optical drive bezel blank 21 ...

Страница 30: ...dard 240 pin containing the mandatory Joint Electronic Device Engineering Council JEDEC specification industry standard 240 pin containing the mandatory Joint Electronic Device Engineering Council JEDEC specification Support support CAS latency 11 DDR3 1600 MHz 11 11 11 timing support CAS latency 15 DDR4 2133 MHz 15 15 15 timing Slots 2 2 Maximum Memory 16 GB 16 GB HP offers upgrade memory for thi...

Страница 31: ...ith this configuration 4 GB will run as dual channel and 1 GB will run as single channel In any mode the maximum operational speed is determined by the slowest DIMM in the system Installing DIMMs CAUTION You must disconnect the power cord and wait approximately 30 seconds for the power to drain before adding or removing memory modules Regardless of the power on state voltage is always supplied to ...

Страница 32: ...o install any additional modules 6 Replace the computer access panel 7 Reconnect the power cord and turn on the computer 8 Lock any security devices that were disengaged when the access panel was removed The computer should automatically recognize the additional memory the next time you turn on the computer 24 Chapter 4 Removal and replacement procedures Microtower MT chassis ...

Страница 33: ...ion socket one PCI Express x1 expansion socket and one PCI Express x16 expansion socket NOTE You can install a PCI Express x1 x8 or x16 expansion card 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 17 2 Remove the access panel Access panel on page 18 3 Release the slot cover retention latch that se...

Страница 34: ...e a flatblade screwdriver to pry out one of the metal shields on the rear panel that covers the expansion slot Be sure to remove the appropriate shield for the expansion card you are installing b If you are removing a PCI Express x1 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 then away from the insid...

Страница 35: ... it Be sure not to scrape the card against other components 6 Store the removed card in anti static packaging 7 If you are not installing a new expansion card install an expansion slot cover to close the open slot CAUTION 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 To replace an expansion ca...

Страница 36: ... ATA SATA hard drive must be connected to the dark blue primary SATA connector on the system board labeled SATA0 Connect secondary hard drives and optical drives to one of the remaining SATA connectors on the system board labeled SATA1 and SATA2 HP has provided four extra 6 32 hard drive mounting screws installed on the front of the chassis next to the hard drive bays 1 If you are replacing a hard...

Страница 37: ... 9 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 pack mailer or other protective packaging and label the package Fragile Handle With Care Drive positions Item Component 1 9 5 ...

Страница 38: ... 2 from the rear of the optical drive CAUTION When removing the cables pull the tab or connector instead of the cable itself to avoid damaging the cable CAUTION When removing the cables pull the tab or connector instead of the cable itself to avoid damaging the cable 5 Press upward on the green release latch on the underside of the drive 1 and then slide the drive out of the drive bay 2 30 Chapter...

Страница 39: ...ove the bezel blank See Front bezel on page 19 for more information 4 Follow the instructions for removing the optical drive if one was installed Refer to Removing a 9 5 mm slim optical drive on page 30 5 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 6 Slide the optical drive through the front of the chassis 1 all th...

Страница 40: ...onnectors labeled SATA1 or SATA2 on the system board 9 Replace the front bezel if it was removed 10 Replace the computer access panel 11 Reconnect the power cord and any external devices and then turn on the computer 12 Lock any security devices that were disengaged when the access panel was removed 32 Chapter 4 Removal and replacement procedures Microtower MT chassis ...

Страница 41: ...er the data to the new hard drive 1 Prepare the computer for disassembly Preparation for disassembly on page 17 2 Remove the access panel Access panel on page 18 3 Disconnect the power cable 1 and data cable 2 from the rear of the hard drive 4 Pull the green latch next to the drive outward 1 and slide the drive out of the bay 2 Drives 33 ...

Страница 42: ...a 3 5 inch adapter bracket similar to the example shown below Slide the 2 5 inch drive into the bay adapter bracket ensuring the connector on the drive is fully inserted into the connector on the adapter bracket Secure the drive to the bay adapter bracket by installing four black M3 adapter bracket screws through the sides of the bracket into the drive 34 Chapter 4 Removal and replacement procedur...

Страница 43: ...HP has supplied four extra mounting screws installed on the chassis next to the hard drive bays Refer to Drives on page 28 for an illustration of the location of the extra mounting screws 5 Slide the drive into the drive bay making sure to align the mounting screws with the guide slots until the drive snaps into place Drives 35 ...

Страница 44: ...lue connector labeled SATA0 to avoid any hard drive performance problems If you are adding a second hard drive connect the data cable to one of the SATA connectors labeled SATA1 or SATA2 8 Replace the computer access panel 9 Reconnect the power cord and any external devices and then turn on the computer 10 Lock any security devices that were disengaged when the access panel was removed 36 Chapter ...

Страница 45: ...7 2 Remove the computer access panel Access panel on page 18 3 Remove the front bezel Front bezel on page 19 4 Remove the cables from the clips on the base pan 5 Disconnect the three cables from the following system board connectors F_PANEL black F_USB1 white F_AUDIO yellow Front I O and power switch assembly 37 ...

Страница 46: ...he right side of the assembly 2 to disengage it from the chassis and push the assembly into the chassis 3 7 Remove the assembly from the inside of the computer To reinstall the assembly reverse the removal procedure 38 Chapter 4 Removal and replacement procedures Microtower MT chassis ...

Страница 47: ... 3 Remove the front bezel Front bezel on page 19 4 From the outside front of the chassis remove the two Torx screws that secure the speaker to the chassis 5 Disconnect the speaker wire from the system board connector labeled SPKR 1 6 Remove the speaker from the chassis 2 To replace the speaker reverse the removal procedures Speaker 39 ...

Страница 48: ...e silver Phillips screws that secure the fan to the rear of chassis 4 Disconnect the fan control cable 1 from the system board connector labeled SYS_FAN 5 Lift the fan out of the chassis 2 To install the fan assembly reverse the removal procedure Be sure to orient the air flow out of the unit 40 Chapter 4 Removal and replacement procedures Microtower MT chassis ...

Страница 49: ...180W Energy Star 180W Energy Star for use in the APJ region 180W APFC 180W standard available only for NA LA and APJ regions except the People s Republic of China and India 1 Prepare the computer for disassembly Preparation for disassembly on page 17 2 Remove the access panel Access panel on page 18 3 Remove the four silver Torx screws that connect the power supply to the rear of the chassis Power...

Страница 50: ...an 5 Disconnect the power supply cables from the following system board connectors ATX_CPU ATX_PWR 6 Press the tab 1 on the base pan in front of the power supply that holds it in place 42 Chapter 4 Removal and replacement procedures Microtower MT chassis ...

Страница 51: ...the front of the computer rotate toward the fan so the power supply clears the lip on the top of the chassis and then lift the power supply out of the chassis 2 To install the power supply reverse the removal procedure Power supply 43 ...

Страница 52: ...e the fan sink to the system board CAUTION Remove fan sink retaining screws in diagonally opposite pairs as in an X to even the downward forces on the processor The pins on the socket are very fragile and any damage to them may require replacing the system board 4 Disconnect the fan cable from the system board connector labeled CPU_FAN 2 5 Lift the heat sink from atop the processor When reinstalli...

Страница 53: ...e 44 4 Rotate the locking lever to its full open position 1 5 Raise and rotate the microprocessor retainer to its fully open position 2 6 Lift the processor 3 straight up and remove it CAUTION Do NOT handle the pins in the processor socket These pins are very fragile and handling them could cause irreparable damage Once pins are damaged it may be necessary to replace the system board Reverse the r...

Страница 54: ...osition 1 5 Raise and rotate the microprocessor retainer to its fully open position 2 and then carefully lift the processor from the socket 3 CAUTION Do NOT handle the pins in the processor socket These pins are very fragile and handling them could cause irreparable damage Once pins are damaged it may be necessary to replace the system board Reverse the removal procedure to install a new processor...

Страница 55: ...page 44 Processor Processor for use in HP 280 G2 models Intel on page 45 4 Disconnect all cables connected to the system board noting their location for reinstallation 5 Remove the six Torx screws that secure the system board to the chassis 6 Lift the system board up and out of the computer NOTE System board appearance may vary When reinstalling the system board first insert the I O panel back int...

Страница 56: ...IO power switch SYS_FAN Red Chassis fan PRT Black Optional printer port ATX_CPU White 4 pin processor power COMB Black Optional serial port PROCESSOR Silver Processor F_USB2 White Card reader CPU_FAN White Processor fan BAT Black RTC battery XMM2 Black Memory module F_USB1 White Front I O XMM1 Black Memory module CLR_PSWD Black Clear system passwords ATX_PWR White 24 pin main power INT_SPKR White ...

Страница 57: ...n the primary hard drive SYS_FAN Red Chassis fan F_PANEL Black Front IO power switch ATX_CPU White 4 pin processor power F_USB2 White Card reader PROCESSOR Silver Processor BAT Black RTC battery CPU_FAN White Processor fan F_USB1 White Front I O XMM2 Black Memory module CLR_PSWD Black Clear system passwords XMM1 Black Memory module INT_SPKR White Internal speaker ATX_PWR White 24 pin main power F_...

Страница 58: ...imary hard drive PCIE_X16 Black Expansion card SATA0 Dark blue Primary hard drive BAT Black RTC battery F_PANEL Black Front IO power switch SYS_FAN1 Red Chassis fan LPT Black Printer port connector CPU_PWR White 4 pin processor power F_USB2 White Card reader PROCESSOR Silver Processor F_USB1 White Front I O CPU_FAN White Processor fan COMB Black Optional second serial port DIMM2 Black Memory modul...

Страница 59: ...d regardless of the mode selected To manually switch to Post Messages Enabled during POST press any key except F1 through F12 Establish an Ownership Tag the text of which is displayed each time the system is turned on or restarted Enter the Asset Tag or property identification number assigned by the company to this computer Enable the power on password prompt during system restarts warm boots as w...

Страница 60: ...layed or Follow the Windows instructions for rebooting the computer into the Computer Setup F10 Utility 3 A choice of five headings appears in the Computer Setup Utilities menu File Storage Security Power and Advanced 4 Use the arrow left and right keys to select the appropriate heading Use the arrow up and down keys to select the option you want then press Enter To return to the Computer Setup Ut...

Страница 61: ...pplicable About Displays copyright notice Set Time and Date Allows you to set system time and date Default Setup Save Current Settings as Default Saves the current system configuration settings as the default Restore Factory Settings as Default Restores the factory system configuration settings as the default Apply Defaults and Exit Applies the currently selected default settings and clears any es...

Страница 62: ...ystem Boot Order Allows you to UEFI Boot Sources Specify the order in which EFI boot sources such as a internal hard drive USB hard drive USB optical drive or internal optical drive are checked for a bootable operating system image Each device on the list may be individually excluded from or included for consideration as a bootable operating system source EFI boot sources always have precedence ov...

Страница 63: ...ling the stringent password disables the ability to reset the password by moving the jumper on the system board Default is disabled CAUTION If you enable the stringent security feature and you forget the setup password or the power on password the computer is inaccessible and can no longer be used If you lose or forget the password the system board must be replaced This scenario is not covered und...

Страница 64: ...the TPM resets it to factory defaults and turns it off You will lose all created keys and data protected by those keys Secure Boot Configuration CAUTION Changing the default setting of any of the Setup options on this page for operating systems that do not support Secure Boot may prevent the system from booting successfully Legacy Support Enable Disable Allows you to turn off all legacy support on...

Страница 65: ...t is extended Hardware Power Management SATA Power Management Enables or disables SATA bus and or device power management Default is enabled S4 S5 Wake On LAN Lets you set the computer to power on at the specified days times set in the BIOS power on Default is disabled Thermal Fan idle mode This bar graph controls the minimum permitted fan speed NOTE This setting only changes the minimum fan speed...

Страница 66: ...able disable Use this option to disable multi processor support under the OS Default is enabled Internal Speaker enable disable Use this option to enable the internal speaker NIC PXE Option ROM Download enable disable The BIOS contains an embedded NIC option ROM to allow the unit to boot through the network to a PXE server This is typically used to download a corporate image to a hard drive The NI...

Страница 67: ...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 89 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 network...

Страница 68: ...e 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 89 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 69: ... 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 70: ...want to use the arrow keys on the keypad You can also disable or enable the Num Lock key in Computer Setup at Advanced Device Options There is no sound or sound volume is too low Cause Solution System volume may be set low or muted 1 Check the Computer Setup settings to make sure the internal system speaker is not muted this setting does not affect the external speakers 2 Make sure the external sp...

Страница 71: ...ckground and can be closed by right clicking on their corresponding icons in the task tray To prevent these applications from launching at startup In Windows 7 a Go to Start All Programs Accessories Run b Type msconfig and then press Enter c On the Startup tab of the System Configuration Utility clear applications that you do not want to launch automatically and the click OK In Windows 10 a Type m...

Страница 72: ...hard drive LED turns white then 1 If equipped with a voltage selector check that the voltage selector located on the rear of the power supply is set to the appropriate voltage Proper voltage setting depends on your region 2 Remove the expansion cards one at a time until the 5V_aux light on the system board turns on 3 Replace the system board OR Press and hold the power button for less than 4 secon...

Страница 73: ...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 74: ... 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 problem...

Страница 75: ...ry 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 Security Device Security Boot order is not correct Run the Computer Setup utility and change boot sequence in Storage Boot Order Har...

Страница 76: ...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 77: ...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 78: ...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 79: ...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 80: ...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 81: ...io features and you encounter audio problems see the common causes and solutions listed in the following table Sound cuts in and out Cause Solution Processor resources are being used by other open applications Shut down all open processor intensive applications Sound does not come out of the speaker or headphones Cause Solution Software volume control is turned down or muted Double click the Speak...

Страница 82: ...r in Windows 10 type device manager in the taskbar search box and then select Device Manager from the list of applications Some applications can select which audio output device is used Make sure the application has selected 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 t...

Страница 83: ...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 not print Cause Solution Printer is not turned on and online Turn the printer on and make sure it is online The correct printer drivers for the application are not installed 1 Install the c...

Страница 84: ... 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 interference you may have to place the connectors farther apart using an external USB hub Keyboard commands and typing are not recognized by the computer Cause Solut...

Страница 85: ... right on the 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 mous...

Страница 86: ...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 87: ... 3 Replace third 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 Network driver does not detect network controller Cause Solution Network controller is disabled 1 Run Computer Setup and enable network co...

Страница 88: ...of applications Network driver is not properly 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 ...

Страница 89: ...rs were not accidentally deleted when the drivers for a new expansion board were installed The expansion board installed is a network card NIC and conflicts with the embedded NIC Under the Computer Setup Advanced menu change the resource settings for the board Network controller stops working without apparent cause Cause Solution The files containing the network drivers are corrupted Reinstall the...

Страница 90: ...er will not boot the operating system NOTE The memory count will be affected by configurations with the Management Engine ME enabled The ME uses 8MB of system memory in single channel mode or 16MB of memory in dual channel mode to download decompress and execute the ME firmware for Out of Band OOB third party data storage and other management functions System will not boot or does not function pro...

Страница 91: ...dule 3 Replace third party memory with HP memory 4 Replace the system board Solving CD ROM and DVD problems If you encounter CD ROM or DVD problems see the common causes and solutions listed in the following table or to the documentation that came with the optional device System will not boot from CD ROM or DVD drive Cause Solution The device is attached to a SATA port that has been hidden in the ...

Страница 92: ...OST Delay in Advanced Power On Options CD ROM or DVD devices are not detected or driver is not loaded Cause Solution Drive is not connected properly or not properly configured See the documentation that came with the optional device Movie will not play in the DVD drive Cause Solution Movie may be regionalized for a different country See the documentation that came with the DVD drive Decoder softwa...

Страница 93: ...from the list of applications 2 Restart the computer and let Windows detect the CD or DVD driver Recording or copying CDs is difficult or impossible Cause Solution Wrong or poor quality 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 ...

Страница 94: ...ions listed in the following table A USB device headphone or microphone is not recognized by the computer Cause Solution Device is not properly connected 1 Turn off the computer 2 Reconnect the device to the front of the computer and restart the computer The device does not have power If the USB device requires AC power be sure one end is connected to the device and one end is connected to a live ...

Страница 95: ...dem and the computers s RJ 45 connector If the connection is good the PC LED light on the front of the cable DSL modem will be on IP address is not configured properly Contact your ISP for the correct IP address Cookies are corrupted A cookie is a small piece of information that a Web server can store temporarily with the Web browser This is useful for having the browser remember some specific inf...

Страница 96: ...ll 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 89 to determine possible causes See the Worldwide Limited Warranty for terms and conditions Illegal Operation has Occurred error message is displayed Cause So...

Страница 97: ...sis To establish the schedule 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 51 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 NO...

Страница 98: ...formation 00B MEBx Module did not checksum correctly Memory error during 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 persis...

Страница 99: ... Incompatible Memory Module in Memory Socket s X X A memory module in memory socket identified in the error message is missing critical 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 c...

Страница 100: ...OS on page 96 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 96 3 Replace the hard disk drive 400 Serial Port A Address Conflict Detected Both external and internal serial ports are assigned to the same resources 1 Remove any serial port expansion cards 2 Clear CMOS See Password secur...

Страница 101: ...ttery stated below to be very low For optimal performance replace the battery 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 module 800 Keyboard Error Keyboard failure 1 Reconnect keyboard with computer turned off 2 Check connector for bent or missing pins 3 Ensure that none of t...

Страница 102: ...ioned 1 Reseat power supply fan 2 Reseat fan cable 3 Replace power supply fan Interpreting system validation diagnostic front panel LEDs and audible codes During the system validation phase that occurs at system startup the BIOS validates the functionality of the following subsystems and conditions AC adapter System board power Processor failure BIOS corruption Memory failure Graphics failure Syst...

Страница 103: ...he embedded controller 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...

Страница 104: ...mputer by resetting the password jumper 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 Utility on page 51 for information on backing up the CMOS settings Resetting the password jumper CAUTION If yo...

Страница 105: ...r 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 callouts HP 285 G2 Microtower models on page 50 5 Remove the jumper from pins 1 and 2 6 Place the jumper on either pin 1 or 2 but not both so that it does not get lost 7 Replace the access panel and reconnect the external...

Страница 106: ...To delete the power on or setup password complete the following steps 1 Turn on or restart the computer To delete the Setup password go to step 2 To delete the Power on password go to step 3 2 To delete the Setup password as soon as the computer turns on Press the Esc key while Press the ESC key for Startup Menu message is displayed Press the F10 key to enter Computer Setup 3 When the key icon app...

Страница 107: ...lowing 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 99 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 HP PC...

Страница 108: ...et HP 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 100 Chapter 9 Using HP PC Hardware Diagnostics UEFI ...

Страница 109: ...al information For more information see Using Windows tools on page 102 NOTE If storage is 32 GB or less Microsoft System Restore is disabled by default Creating HP Recovery media select products only If possible check for the presence of the Recovery partition and the Windows partition From the Start menu select File Explorer If your computer does not list the Windows partition and the Recovery p...

Страница 110: ...ct your country or region and follow the on screen instructions Be sure that the computer is connected to AC power before you begin creating the recovery media The creation process can take an hour or more Do not interrupt the creation process If necessary you can exit the program before you have finished creating all of the recovery DVDs HP Recovery Manager will finish burning the current DVD The...

Страница 111: ...d from HP or by using the HP Recovery partition select products only If you have not already created recovery media see Creating HP Recovery media select products only on page 101 What you need to know before you get started HP Recovery Manager recovers only software that was installed at the factory For software not provided with this computer you must either download the software from the manufa...

Страница 112: ... instructions Using HP Recovery media to recover You can use HP Recovery media to recover the original system This method can be used if your system does not have an HP Recovery partition or if the hard drive is not working properly 1 If possible back up all personal files 2 Insert the HP Recovery media and then restart the computer NOTE If the computer does not automatically restart in HP Recover...

Страница 113: ...stem in cases where the hard drive is corrupted or has been replaced See Creating recovery media on page 105 2 As you add hardware and software programs create system restore points A system restore point is a snapshot of certain hard drive contents saved by Windows System Restore at a specific time A system restore point contains information that Windows uses such as registry settings Windows cre...

Страница 114: ...tell you the size of the drive required to store all the data minimum of 8 GB NOTE The process of creating recovery media is lengthy You can quit the process at any time The next time you initiate the process it resumes where it left off NOTE Do not use media cards for creating recovery media The system may not be able to boot up from a media card and you may not be able to run system recovery To ...

Страница 115: ...R DVD R DL DVD R DVD R DL or DVD RW The discs you use will depend on the type of optical drive you are using Creating recovery discs NOTE The Windows 7 operating system DVD can be created only once The option to create that media will not be available after you create a Windows DVD To create the Windows DVD 1 Select Start All Programs Productivity and Tools HP Recovery Disc Creator 2 Select Window...

Страница 116: ...nal information use System Restore to return the computer to a previous restore point NOTE Always use this System Restore procedure before you use the System Recovery feature To start System Restore 1 Close all open programs 2 Click the Start button right click Computer and then click Properties 3 Click System protection System Restore click Next and then follow the on screen instructions System R...

Страница 117: ...llow the steps in System Recovery when Windows is not responding on page 109 5 Click Security and Protection click Recovery Manager and then click Recovery Manager If prompted click Yes to allow the program to continue 6 Under I need help immediately click System Recovery 7 Select Yes and then click Next Your computer restarts 8 When the computer restarts you will see the Recovery Manager welcome ...

Страница 118: ...ss Esc as the computer is powering on to display the startup menu 5 Use the arrow keys to select the boot menu and press Enter Use the arrow keys to select the location where the recovery media is inserted USB or DVD Press Enter to boot from that device 6 If Recovery Manager asks if you want to run System Recovery from Media or Hard Drive select Media On the Welcome screen under I need help immedi...

Страница 119: ...he computer and then insert the Windows 7 operating system DVD into the optical drive before the Windows operating system loads NOTE If the computer does not boot to the DVD restart the computer and press Esc as the computer is powering on to see the startup menu Use the arrow keys to select the boot menu and press Enter Use the arrow keys to select the location where the recovery DVD is inserted ...

Страница 120: ...y 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 open...

Страница 121: ...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 lip of the holder 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 2 113...

Страница 122: ...mplete this procedure 8 Replace the computer 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 computer access panel was removed 114 Appendix A Battery replacement ...

Страница 123: ...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 124: ... 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 125: ...to factory settings 3 Turn on the system and while system is powering on and after the HP splash screen press the F10 key to enter BIOS setup screen 4 Select Security System Security from the main menu If the Embedded Security Device Support option is set to Disable skip to step 7 5 To erase all security keys from the TPM Under Embedded Security Device in the System Security menu configure Reset t...

Страница 126: ... their factory default values 14 Enter the F10 setup utility 15 Select File Default Setup Restore Factory Settings as Default This will set the default settings back to the factory defaults 16 Select File Apply Defaults and Exit 17 Shut down the computer remove the AC power cord and place the blue green jumper back on header E49 Replace the computer hood and power cord If Computrace is enabled on ...

Страница 127: ...lled Relative Humidity noncondensing Operating Nonoperating 38 7 C max wet bulb 10 90 5 95 10 90 5 95 Maximum Altitude unpressurized Operating Nonoperating 10 000 ft 30 000 ft 3048 m 9144 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 Output 180W active PFC 300W active PFC 1 This system utilizes an ...

Страница 128: ... restore 110 drives cable connections 28 installation 28 locations 29 drives spare parts 8 E electrostatic discharge ESD 9 preventing damage 10 error codes 89 94 messages 89 expansion card installation 25 removal 25 F F10 Setup access problem 61 fan illustrated 7 fan sink illustrated 5 fan power supply 13 flash drive problems 85 flashing LEDs 94 front bezel blank removal 21 illustrated 4 MT remova...

Страница 129: ...1 hard drive 66 hardware installation 78 Internet access 87 keyboard 76 Media Card Reader 68 memory 82 monitor 69 mouse 76 network 79 power 65 printer 75 software 88 processor removal and replacement 45 46 product ID location 3 R rear chassis fan removal and replacement 40 rear panel components 3 recovery discs steps for creating Windows 7 106 recovery discs using for restore 110 recovery media cr...

Страница 130: ...ventilation proper 11 W Windows 10 backup and restore 101 Windows 7 backing up information 107 backup and recovery 105 Backup and Restore 108 creating backups 105 creating recovery media 105 creating system restore points 105 hard drive recovery 108 Help and Support 105 steps for creating recovery discs 106 steps for creating recovery media 106 steps for creating recovery USB flash drive 106 Syste...

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