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Power connector cable

Description

Spare part number

Power connector cable

813945-001

Before removing the power connector cable, follow these steps:

Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.

Disconnect all external devices connected to the computer.

Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.

Remove the battery (see

Battery on page 28

Remove the optical drive (see

Optical drive on page 29

), if installed.

Remove the bottom cover (see

Bottom cover on page 35

Remove the display (see

Display assembly on page 54

To remove the power connector cable:

Pull on the tab that secures the connector to the computer

(1)

Remove the power connector cable

(2)

Reverse this procedure to install the power connector cable.

Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

Содержание 255 G4

Страница 1: ...HP Notebook PC AMD HP 255 G4 Notebook PC Maintenance and Service Guide ...

Страница 2: ...nty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein First Edition April 2015 Document Part Number 808736 001 Product notice This guide describes features that are common to most models Some features may not be available on your computer...

Страница 3: ... 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 Info...

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

Страница 5: ...us parts 19 Display assembly subcomponents 20 4 Removal and replacement procedures preliminary requirements 23 Tools required 23 Service considerations 23 Plastic parts 23 Cables and connectors 23 Drive handling 24 Grounding guidelines 24 Electrostatic discharge damage 24 Packaging and transporting guidelines 25 Workstation guidelines 25 5 Removal and replacement procedures for Customer Self Repai...

Страница 6: ...dows 8 1 63 Starting Setup Utility BIOS 63 Updating the BIOS 63 Determining the BIOS version 63 Downloading a BIOS update 63 8 Using Setup Utility BIOS in Windows 7 65 Starting Setup Utility BIOS 65 Updating the BIOS 65 Determining the BIOS version 65 Downloading a BIOS update 65 9 Backing up restoring and recovering in Windows 8 1 67 Creating recovery media and backups 67 Creating HP Recovery med...

Страница 7: ...Restoring to a previous system restore point 76 Restoring specific files 76 Restoring specific files using Windows Backup and Restore 76 Recovering the original system using HP Recovery Manager 76 What you need to know 76 Recovering using HP Recovery partition select models only 77 Recovering using the recovery media 77 Changing the computer boot order 77 11 Using HP PC Hardware Diagnostics UEFI 7...

Страница 8: ...14 Power cord set requirements 91 Requirements for all countries 91 Requirements for specific countries and regions 92 15 Recycling 95 Index 97 viii ...

Страница 9: ...o memory 18W Support HD Decode DX11 HDMI and PX7 Panel 39 6 cm 15 6 in high definition HD white light emitting diode WLED SVA BrightView 1366 768 display flat 3 8 mm eDP typical brightness 220 nits 39 6 cm 15 6 in high definition HD white light emitting diode WLED SVA BrightView 1366 768 display slim 3 2 mm typical brightness 200 nits for eDP TOP touch on panel Supports LVDS co layout with eDP1 3 ...

Страница 10: ...sted Platform Module 2 0 Wireless Networking Integrated wireless options with single antenna M 2 Compatible with Miracast certified devices Support for the following WLAN formats Realtek RTL8188EE 802 11bgn 1x1 Wi Fi Adapter Realtek RT8723BE 802 11bgn 1x1 Wi Fi BT4 0 Combo Adapter Broadcom BCM43142 802 11 bgn 1x1 Wi Fi BT4 0 HMC Combo Adapter External media card HP Multi Format Digital Media Reade...

Страница 11: ...ctor non slim for use in discrete models 45 W Smart nPFC 3 pin RC 4 5mm connector non slim for use in UMA models 65 W EM Smart nPFC 3 pin RC 4 5mm connector 90 degree plug design for use in India China 1 meter power cord Batteries 4 cell 41 Whr Li ion battery 3 cell 31 Whr Li ion battery Security TPM 2 0 Kensington Security Lock Operating system Preinstalled Windows 8 1 Windows 8 1 CPPP China only...

Страница 12: ...4 Chapter 1 Product description ...

Страница 13: ...elect Camera from the list of applications Windows 7 To use the webcam select Start All Programs Communication and Chat CyberLink YouCam 5 Internal microphone Record sound The antennas are not visible from the outside of the computer For optimal transmission keep the areas immediately around the antennas free from obstructions For wireless regulatory notices see the section of the Regulatory Safet...

Страница 14: ...on the card until it is firmly seated To remove a card Press in on the card and then remove it from the slot 4 USB 2 0 port Connects an optional USB device such as a keyboard mouse external drive printer scanner or USB hub 5 Optical drive Depending on your computer model reads an optical disc or reads and writes to an optical disc NOTE For disc compatibility information go to the Help and Support ...

Страница 15: ...VGA monitor or projector 5 RJ 45 network jack status lights Connects a network cable White The network is connected Amber Activity is occurring on the network 6 HDMI port Connects an optional video or audio device such as a high definition television any compatible digital or audio component or a high speed High Definition Multimedia Interface HDMI device 7 USB 3 0 port Connects an optional USB de...

Страница 16: ...in the notification area at the far right of the taskbar NOTE When a device is connected to the jack the computer speakers are disabled NOTE Be sure that the device cable has a 4 conductor connector that supports both audio out headphone and audio in microphone Top TouchPad Component Description 1 TouchPad zone Reads your finger gestures to move the pointer or activate items on the screen 2 Left T...

Страница 17: ...Lights Component Description 1 Caps lock light On Caps lock is on which switches the keys to all capital letters 2 Mute light Amber Computer sound is off Off Computer sound is on Top 9 ...

Страница 18: ...mation If the computer has stopped responding and Windows shutdown procedures are ineffective press and hold the power button down for at least 5 seconds to turn off the computer To learn more about your power settings in Windows 8 1 see your power options From the Start screen type power select Power and sleep settings and then select Power and sleep from the list of applications or From the Wind...

Страница 19: ...eturns you to the Start screen from an open app or the Windows desktop NOTE Pressing the Windows key again will return you to the previous screen Windows 7 Displays the Windows Start menu 4 Action keys Execute frequently used system functions 5 num lock key Alternates between the navigational and numeric functions on the integrated numeric keypad 6 Integrated numeric keypad When num lock is on it ...

Страница 20: ...t Description 1 Battery lock Locks the battery in the battery bay 2 Battery bay Holds the battery 3 Battery release latch Releases the battery 4 Speakers 2 Produce sound 12 Chapter 2 External component identification ...

Страница 21: ...Model number select models only Microsoft Certificate of Authenticity label select models only prior to Windows 8 Contains the Windows Product Key You may need the Product Key to update or troubleshoot the operating system HP platforms with Windows 8 or Windows 8 x preinstalled do not have the physical label Instead a Digital Product Key is electronically installed NOTE The Digital Product Key is ...

Страница 22: ...14 Chapter 2 External component identification ...

Страница 23: ...TE HP continually improves and changes product parts For complete and current information on supported parts for your computer go to http partsurfer hp com select your country or region and then follow the on screen instructions Computer major components 15 ...

Страница 24: ...cement thermal materials All system boards use the following part numbers xxxxxx 001 Without the Windows 8 1 operating system xxxxxx 501 Windows 8 1 Standard xxxxxx 601 Windows 8 1 Professional For use in HP Notebook PC models Discrete graphics memory Non touch screen models AMD A8 7410 processor and 2 GB of discrete graphics memory 813971 xxx AMD A6 6310 processor and 1 GB of discrete graphics me...

Страница 25: ... HP Notebook models 1 TB 5400 rpm hybrid 8 GB SSD 731999 005 For use in all models 1 TB 5400 rpm 2 5 inch 778192 005 750 GB 5400 rpm hard drive 2 5 inch 778190 005 500 GB 5400 rpm 7 mm 778186 005 For use only in HP 255 G4 Notebook models 500 GB 7200 rpm 7 mm 764211 005 12 Optical drive board 813956 001 13 Speakers includes left and right speakers and cable 813965 001 14 Optical drive DVD RW Double...

Страница 26: ...yer SuperMulti includes bracket and bezel For use in HP Notebook models 813952 001 For use in HP 255 G4 Notebook models 814617 001 Hard drive SATA does not include bracket For use only in HP Notebook models 1 TB 5400 rpm hybrid 8 GB SSD 731999 005 For use in all models 1 TB 5400 rpm 2 5 in 778192 005 750 GB 5400 rpm 2 5 in 778190 005 500 GB 5400 rpm 7 mm 778186 005 For use only in HP 255 G4 Notebo...

Страница 27: ... use in Denmark 755530 081 For use in Europe the Middle East and Africa 755530 021 For use in India 755530 D61 For use in Italy 755530 061 For use in Japan 755530 291 For use in North America 755530 001 For use in the People s Republic of China 755530 AA1 For use in South Africa 755530 AR1 For use in South Korea 755530 AD1 For use in Switzerland 755530 111 For use in Taiwan 755530 AB1 For use in T...

Страница 28: ...odels with a touch screen 813961 001 3 Hinges left and right 813950 001 4 Webcam microphone module For use in HP Notebook models 813972 001 For use in HP 255 G4 Notebook models 814613 001 5 Antenna includes wireless antenna cable and transceiver 813923 001 6 Display cable includes display panel cable and webcam microphone cable Non touch screen 813943 001 Touch screen 813944 001 7 Display enclosur...

Страница 29: ...els 813927 001 Purple models 813928 001 For use in HP Notebook models with a touch screen Black models 813936 001 Turbo silver models 813935 001 Red models 813934 001 White silver models 813931 001 Blue models 813932 001 Purple models 813933 001 For use in HP 255 G4 Notebook models 814616 001 Display assembly subcomponents 21 ...

Страница 30: ...22 Chapter 3 Illustrated parts catalog ...

Страница 31: ... and reassembly can damage plastic parts Use care when handling the plastic parts Apply pressure only at the points designated in the maintenance instructions Cables and connectors CAUTION When servicing the computer be sure that cables are placed in their proper locations during the reassembly process Improper cable placement can damage the computer Cables must be handled with extreme care to avo...

Страница 32: ... Electronic components are sensitive to electrostatic discharge ESD Circuitry design and structure determine the degree of sensitivity Networks built into many integrated circuits provide some protection but in many cases ESD contains enough power to alter device parameters or melt silicon junctions A discharge of static electricity from a finger or other conductor can destroy static sensitive dev...

Страница 33: ...ers Always be properly grounded when touching a component or assembly Store reusable ESD sensitive parts from assemblies in protective packaging or non conductive foam Use transporters and conveyors made of antistatic belts and roller bushings Be sure that mechanized equipment used for moving materials is wired to ground and that proper materials are selected to avoid static charging When groundin...

Страница 34: ...ps on both feet with a minimum of one megohm resistance between the operator and ground To be effective the conductive must be worn in contact with the skin The following grounding equipment is recommended to prevent electrostatic damage Antistatic tape Antistatic smocks aprons and sleeve protectors Conductive bins and other assembly or soldering aids Nonconductive foam Conductive tabletop worksta...

Страница 35: ...gion and then follow the on screen instructions Component replacement procedures NOTE Please read and follow the procedures described here to access and replace Customer Self Repair parts successfully NOTE Details about your computer including model serial number product key and length of warranty are on the service tag at the bottom of your computer See Labels on page 13 for details This chapter ...

Страница 36: ...h the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer To remove the battery 1 Position the computer upside down on a flat surface 2 Slide the battery lock latch 1 and then slide the battery release latch 2 to release the ba...

Страница 37: ... is off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 28 To remove the optical drive 1 Remove the Phillips ...

Страница 38: ...30 Chapter 5 Removal and replacement procedures for Customer Self Repair parts ...

Страница 39: ...icing Authorized Service Provider only parts Make special note of each screw size and location during removal and replacement Display subcomponents bezel webcam panel This section describes removing display subcomponents that do not require that you remove the entire display assembly from the computer You can remove the display bezel webcam microphone module and display panel while the display ass...

Страница 40: ...he AC adapter from the computer 4 Remove the battery see Battery on page 28 To remove the display bezel webcam microphone module and raw display panel 1 Position the computer upright with the front toward you and then open it 2 Flex the left and right sides 1 the inside of the bottom edge 2 and the inside of the top edge 3 of the display bezel until the bezel disengages from the display enclosure ...

Страница 41: ...s PM2 0 2 4 screws 1 that secure the display panel to the enclosure b Rotate the display panel onto the keyboard 2 to gain access to the display cable connection on the back of the panel c On the back of the display panel release the adhesive strip 1 that secures the display panel cable to the display panel and then disconnect the cable 2 Component replacement procedures 33 ...

Страница 42: ... panel from the computer 3 Reverse this procedure to reassemble and install the display bezel webcam microphone module and display panel 34 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ...

Страница 43: ...a 261 Japan 291 Spain 071 Canada DB1 Latin America 161 Switzerland BG1 Czech Republic and Slovakia FL1 The Netherlands B31 Taiwan AB1 Denmark Finland and Norway DH1 Portugal 131 Thailand 281 France 051 Romania 271 Turkey 141 Germany 041 Russia 251 United Kingdom 031 Greece 151 Saudi Arabia 171 United States 001 Hungary 211 Slovenia BA1 Before removing the bottom cover follow these steps 1 Shut dow...

Страница 44: ...uter 4 Start prying at the front of the computer and work around to the back to separate the bottom cover from computer 1 5 Remove the bottom cover 2 Reverse this procedure to install the bottom cover 36 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ...

Страница 45: ...computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 28 5 Remove the optical drive see Optical drive on page 29 if installed 6 Remove the bottom cover see Bottom cover on page 35 To remove the optical drive board 1 Disconnect the cable from the system board 1 2 Remove the Phillips PM2 0 2 4 scre...

Страница 46: ...r the computer is off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 28 5 Remove the optical drive see Optic...

Страница 47: ... from the drive to remove it 1 5 To remove the hard drive brackets remove the two Phillips PM3 0 3 0 screws 2 that secure each bracket to the hard drive 6 Remove the hard drive brackets from the hard drive 3 Reverse this procedure to reassemble and install the hard drive Component replacement procedures 39 ...

Страница 48: ...off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 28 5 Remove the optical drive see Optical drive on page 2...

Страница 49: ...le 3 NOTE If the WLAN antennas are not connected to the terminals on the WLAN module the protective sleeves must be installed on the antenna connectors as shown in the following illustration Reverse this procedure to install the WLAN module Component replacement procedures 41 ...

Страница 50: ...om the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 28 5 Remove the optical drive see Optical drive on page 29 if installed 6 Remove the bottom cover see Bottom cover on page 35 To remove a memory module 1 Spread the retaining tabs 1 on each side of the memory module slot to release the ...

Страница 51: ...uter 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 28 5 Remove the optical drive see Optical drive on page 29 if installed 6 Remove the bottom cover see Bottom cover on page 35 To remove the RTC battery Using a thin tool or screwdriver disengage the battery...

Страница 52: ...outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 28 5 Remove the optical drive see Optical drive on page 29 if installed 6 Remove the bottom cover see Bottom cover on page 35 To remove the USB board 1 Disconnect the USB board cable from the system board 1 2 Lift the cable to disengage the adhesive that secures it to the computer 2 3 Remove the Ph...

Страница 53: ...hen unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 28 5 Remove the optical drive see Optical drive on page 29 if installed 6 Remove the bottom cover see Bottom cover on page 35 To remove the speakers 1 Disconnect the speaker cable from the system board 1 2 Remove the cable from the routing path 2 and then lift up and remove the speakers from the computer 3 NOT...

Страница 54: ...through the ventilation grill located on the left side of the computer Before removing the heat sink assembly follow these steps 1 Shut down the computer If you are unsure whether the computer is off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first ...

Страница 55: ...NOTE Heat sink appearance may vary Discrete graphics UMA graphics Discrete graphics Thermal paste is used on the processor and associated heat sink area 1 2 as well as the graphics chip and associated heat sink area 3 4 Component replacement procedures 47 ...

Страница 56: ...hermal paste is used on the heat sink 1 and the processor 2 Reverse this procedure to reassemble and install the heat sink assembly 48 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ...

Страница 57: ... fan heat sink assembly follow these steps 1 Shut down the computer If you are unsure whether the computer is off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from t...

Страница 58: ...ugging the AC adapter from the computer 4 Remove the battery see Battery on page 28 5 Remove the optical drive see Optical drive on page 29 if installed 6 Remove the bottom cover see Bottom cover on page 35 To remove the TouchPad button board 1 Disconnect the longer cable from the system board 1 and the shorter cable from the TouchPad 2 2 Remove the two Phillips PM2 0 2 5 screws 3 that secure the ...

Страница 59: ...3967 xxx AMD E1 6015 processor 813966 xxx UMA graphics memory touch screen models AMD A8 7410 processor 813970 xxx AMD A6 6310 processor 813968 xxx For use in HP 255 G4 models UMA graphics memory AMD A8 7410 processor 814612 xxx AMD A6 6310 processor 814611 xxx AMD E1 6015 processor 814610 xxx Before removing the system board follow these steps 1 Shut down the computer If you are unsure whether th...

Страница 60: ...y module see Memory module on page 42 To remove the system board 1 Position the computer upright and then disconnect the following cables from the system board 1 USB board cable 2 Optical drive connector cable 3 Keyboard cable 4 Power connector cable 5 Display cable 6 Power button board cable 7 TouchPad button board cable 8 Speaker cable 2 Remove the six Phillips PM2 5 2 5 screws 1 that secure the...

Страница 61: ...3 Lift the side of the system board 2 and then pull the board away from the computer 3 Reverse this procedure to install the system board Component replacement procedures 53 ...

Страница 62: ...use in HP 255 G4 Notebook models 814615 001 Display cable For use in non touch screen models includes display panel cable and webcam microphone cable 813943 001 For use in touch screen models includes display panel cable and webcam microphone cable 813944 001 Display enclosure for use in HP Notebook models without a touch screen Black models 813925 001 Red models 813929 001 White silver models 813...

Страница 63: ... 4 Remove the battery see Battery on page 28 5 Remove the optical drive see Optical drive on page 29 if installed 6 Remove the bottom cover see Bottom cover on page 35 To remove the display assembly 1 Disconnect the display panel cable 1 from the system board 2 Remove the four Phillips PM2 5 5 0 screws 2 two from each hinge and one Phillips PM2 5 4 0 screw 3 on the right hinge and one broadhead Ph...

Страница 64: ... edge 1 the left and right edges 2 and the bottom edge 3 of the display bezel until the bezel disengages from the display enclosure b Remove the display bezel 4 NOTE In this procedure the display will NOT be connected to the computer as shown in the following image 2 To remove the webcam microphone module a Position the display assembly with the top edge toward you b Disconnect the cable 1 from th...

Страница 65: ...enclosure b Rotate the display panel out of the enclosure 2 to gain access to the display cable connection on the back of the panel NOTE In this procedure the display will NOT be connected to the computer as shown in the following image c On the back of the display panel release the adhesive strip 1 that secures the display panel cable to the display panel and then disconnect the cable 2 Component...

Страница 66: ... to the computer as shown in the following image 4 To remove the display hinges a Remove the eight Phillips PM2 5 3 5 screws 1 four per hinge that secure the hinges to the display enclosure b Remove the display hinges 2 58 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ...

Страница 67: ...cable from the clips built into the display enclosure 1 and then remove the cable from the display enclosure 2 7 If replacing the display enclosure be sure that the subcomponents including the webcam microphone module the antenna receivers and all associated cables and hardware are transferred to the new enclosure Reverse this procedure to reassemble and install the display assembly Component repl...

Страница 68: ... by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 28 5 Remove the optical drive see Optical drive on page 29 if installed 6 Remove the bottom cover see Bottom cover on page 35 7 Remove the display see Display assembly on page 54 To remove the power connector cable 1 Pull on the tab that secures the c...

Страница 69: ...y first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 28 5 Remove the optical drive see Optical drive on page 29 if installed 6 Remove the bottom cover see Bottom cover on page 35 7 Remove the display see Display assembly on page 54 To remove the power button board 1 Remove the Phillips PM2 0 2 5 screw 1 t...

Страница 70: ...62 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ...

Страница 71: ...d BIOS version information also known as ROM date and System BIOS can be revealed from the Start screen by typing support selecting the HP Support Assistant app selecting My computer and then selecting System Information or by using Setup Utility BIOS 1 Start Setup Utility BIOS see Starting Setup Utility BIOS on page 63 2 Select Main and then make note of your BIOS version 3 Select Exit select Exi...

Страница 72: ...o the location on your hard drive where the BIOS update is downloaded You will need to access this path when you are ready to install the update BIOS installation procedures vary Follow any instructions that appear on the screen after the download is complete If no instructions appear follow these steps 1 From the Start screen type file and then select File Explorer or From the Windows desktop rig...

Страница 73: ...rently installed on the computer you need to know the version of the system BIOS currently installed BIOS version information also known as ROM date and System BIOS can be displayed by pressing fn esc if you are already in Windows or by using Setup Utility BIOS 1 Start Setup Utility BIOS 2 Use the arrow keys to select Main and then make note of your current BIOS version 3 To exit Setup Utility BIO...

Страница 74: ...he update NOTE If you connect your computer to a network consult the network administrator before installing any software updates especially system BIOS updates BIOS installation procedures vary Follow any instructions that are displayed on the screen after the download is complete If no instructions are displayed follow these steps 1 Open Windows Explorer by selecting Start Computer 2 Double clic...

Страница 75: ...67 For information on the recovery options that are available using the recovery media see Recovering using HP Recovery Manager on page 69 Use Windows tools to create system restore points and create backups of personal information For more information see Using Windows tools on page 68 NOTE If storage is 32 GB or less Microsoft System Restore is disabled by default Creating HP Recovery media sele...

Страница 76: ...d to a USB port on an external device such as a USB hub 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 next ti...

Страница 77: ...ng HP Recovery Manager on page 69 If you have not already created recovery media see Creating HP Recovery media select models only on page 67 On select models if you want to recover the computer s original factory partition and content or if you have replaced the hard drive you can use the Factory Reset option of HP Recovery media For more information see Recovering using HP Recovery Manager on pa...

Страница 78: ...tion from the hard drive and re creating the partitions Then it reinstalls the operating system and the software that was installed at the factory The HP Recovery partition select models only allows System Recovery and Minimized Image Recovery select models only Using the HP Recovery partition select models only The HP Recovery partition allows you to perform a system recovery or minimized image r...

Страница 79: ...ecovery partition select models only HP Recovery Manager software allows you to remove the HP Recovery partition to free up hard drive space IMPORTANT After you remove the HP Recovery partition you can no longer use the Windows Refresh option or the Windows option to remove everything and reinstall Windows In addition you will not be able to perform System Recovery or Minimized Image Recovery from...

Страница 80: ...72 Chapter 9 Backing up restoring and recovering in Windows 8 1 ...

Страница 81: ...them in a safe place HP Recovery Manager examines the computer and determines the required storage capacity for the flash drive or the number of blank DVD discs that will be required Use DVD R DVD R DVD R DL DVD R DL discs or a flash drive Do not use rewriteable discs such as CD RW DVD RW double layer DVD RW and BD RE rewritable Blu ray discs they are not compatible with HP Recovery Manager softwa...

Страница 82: ...o the state it was on the previous day the software will be uninstalled and you won t be able to use it What you need to know If you restore to a restore point and then change your mind you can undo the restoration You should create system restore points Before you add or change software or hardware Periodically whenever the computer is running normally System Restore also saves shadow copies of f...

Страница 83: ...age device before you back up You should back up Before adding or changing software or hardware Before the computer is repaired or restored On a regular schedule to be sure you have recent copies of personal information After you add many files for example if you saved videos from a birthday party Before using antivirus software to remove a malicious program After adding information that is hard t...

Страница 84: ...store 1 Select Start Control Panel System and Security Backup and Restore 2 Follow the on screen instructions to restore your backup NOTE Windows includes the User Account Control feature to improve the security of the computer You may be prompted for your permission or password for tasks such as installing software running utilities or changing Windows settings See Help and Support for more infor...

Страница 85: ...overy Manager from the list or 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 Then press f11 while the F11 System Recovery message is displayed on the screen 2 Click System Recovery in the HP Recovery Manager window 3 Follow the on screen instructions Recovering using the recovery media 1 If possible ...

Страница 86: ... a USB port 2 Restart the computer 3 Press esc while the computer is restarting and then press f9 for boot options 4 Select the flash drive from the boot options window 78 Chapter 10 Backing up restoring and recovering in Windows 7 ...

Страница 87: ...want to run and then follow the on screen instructions NOTE If you need to stop a diagnostic test press or tap esc Downloading HP PC Hardware Diagnostics UEFI to a USB device NOTE Instructions for downloading HP PC Hardware Diagnostics UEFI are provided in English only There are two options to download HP PC Hardware Diagnostics to a USB device Download the latest UEFI version 1 Go to http hp com ...

Страница 88: ...80 Chapter 11 Using HP PC Hardware Diagnostics UEFI ...

Страница 89: ... W 19 5 V dc 2 31 A 45 W Temperature Operating 5 C to 35 C 41 F to 95 F Nonoperating 20 C to 60 C 4 F to 140 F Relative humidity noncondensing Operating 10 to 90 Nonoperating 5 to 95 Maximum altitude unpressurized Operating 15 m to 3 048 m 50 ft to 10 000 ft Nonoperating 15 m to 12 192 m 50 ft to 40 000 ft NOTE Applicable product safety standards specify thermal limits for plastic surfaces The dev...

Страница 90: ...B 8 GB NAND hybrid SSD Dimensions Height 5 mm Length 100 2 mm Width 69 9 mm Weight 70 0 g Form Factor 2 5 inch NAND flash memory 8 GB Average seek time 12 ms Formatted capacity 1 000 204 886 MB User sectors per drive 1 953 525 168 Disk rotational speed 5400 rpm Operating temperature 0 C to 60 C 32 F to 140 F 1 GB 1 billion bytes when referring to hard drive storage capacity Actual accessible capac...

Страница 91: ... ATA security ATA security Seek times typical read including setting Single track 2 0 ms 1 5 ms 3 ms Average read write 12 ms 11 ms 13 ms Maximum 22 ms 14 ms 24 ms Logical blocks 1 953 525 168 1 465 149 168 1 048 576 000 Disk rotational speed 5400 rpm 5400 rpm 5400 rpm Operating temperature 1 GB 1 billion bytes when referring to hard drive storage capacity Actual accessible capacity is less NOTE C...

Страница 92: ...iameter Standard disc 12 cm 4 72 in Mini disc 8 cm 3 15 in Disc thickness 1 2 mm 0 047 in Track pitch 0 74 μm Access time CD DVD Random 175 ms 230 ms Full stroke 285 ms 335 ms Audio output level Line out 0 7 Vrms Cache buffer 2 MB Data transfer rate 24X CD ROM 3 600 KB sec 8X DVD ROM 10 800 KB sec 24X CD R 3 600 KB sec 16X CD RW 2 400 KB sec 8X DVD R 10 800 KB sec 4X DVD RW 5 400 KB sec 8X DVD R 1...

Страница 93: ...ecommended a Enter BIOS F10 Setup by powering on the system and pressing F10 when prompted near the bottom of the display or press the ESC key to display the start up menu then press F10 If the system has a BIOS administrator password enter the password at the prompt b Select the File menu then Restore Defaults c Select the System Configuration menu then Restore Security Defaults d If an asset or ...

Страница 94: ...rtment of Defense DOD 5220 22 M approved To run HP Disk Sanitizer enter BIOS Setup by powering on the system and pressing F10 when prompted near the bottom of the display or press ESC to display the start up menu then press F10 Select the Security menu and scroll down to the Utilities menu Select Disk Sanitizer and select the desired drive For a higher level of protection select Optimum NOTE This ...

Страница 95: ... Serial Presence Detect SPD configuration data 256 Bytes per memory module 128 Bytes programma bl e not customer accessible No Yes Stores memory module information Programmed by the memory vendor Data cannot be written to this memory when the module is installed in a PC The specific write protection method varies by memory vendor System BIOS 4 to 5 MBytes Yes Yes Store system BIOS code and PC conf...

Страница 96: ... calibration data Programmed at the factory Tools for writing data to this memory are not made public A utility is required for writing data to this memory and is typically not made available to the public unless a firmware upgrade is necessary to address a unique issue Web camera 64K bit No Yes Store Web Cam configuration and firmware Using a utility from the device manufacturer that can be run f...

Страница 97: ...lable to read SPD memory 3 Does the Firmware Hub for System BIOS contain the BIOS program Is this chip writable and if so how The Firmware Hub does contain the BIOS program and is writable A utility is required to perform the write function 4 In some PC systems the Firmware Hub for System BIOS is a flash memory chip so that updates can be written by the customer Is this true for these BIOS chips Y...

Страница 98: ...90 Chapter 13 Statement of Volatility ...

Страница 99: ...ng requirements are applicable to all countries and regions The length of the power cord set must be at least 1 5 m 5 0 ft and no more than 2 0 m 6 5 ft All power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country or region where the power cord set will be used The power cord sets must have a minimum current capacity of 10 A and a nominal voltag...

Страница 100: ...aland SANZ 1 Norway NEMKO 1 The People s Republic of China CCC 4 Saudi Arabia SASO 7 Singapore PSB 1 South Africa SABS 1 South Korea KTL 5 Sweden SEMKO 1 Switzerland SEV 1 Taiwan BSMI 6 Thailand TISI 1 The United Kingdom ASTA 1 The United States UL 2 1 The flexible cord must be Type HO5VV F 3 conductor 0 75mm2 conductor size Power cord set fittings appliance coupler and wall plug must bear the cer...

Страница 101: ...iguration 4 The flexible cord must be Type RVV 3 conductor 0 75mm2 conductor size Power cord set fittings appliance coupler and wall plug must bear the CCC certification mark 5 The flexible cord must be Type H05VV F 3X0 75mm2 conductor size KTL logo and individual approval number must be on each element Corset approval number and logo must be printed on a flag label 6 The flexible cord must be Typ...

Страница 102: ...94 Chapter 14 Power cord set requirements ...

Страница 103: ...he battery in general household waste Follow the local laws and regulations in your area for battery disposal HP encourages customers to recycle used electronic hardware HP original print cartridges and rechargeable batteries For more information about recycling programs see the HP Web site at http www hp com recycle 95 ...

Страница 104: ...96 Chapter 15 Recycling ...

Страница 105: ...t numbers 16 display assembly subcomponents illustrated 20 removing 31 54 display bezel illustrated 20 removing 32 56 display cable illustrated 20 removing 58 display enclosure illustrated 20 removing 59 display panel illustrated 20 54 product description 1 removing 33 57 58 display specifications 82 DVD RW SuperMulti DL Drive specifications 84 E electrostatic discharge 24 equipment guidelines 26 ...

Страница 106: ...ns 24 product description 2 removing 29 specifications 84 optical drive board illustrated 17 37 removing 37 optical drive identifying 6 original system recovery 69 76 P packaging guidelines 25 plastic parts service considerations 23 pointing device 3 ports external monitor 7 HDMI 7 product description 2 USB 2 0 6 7 USB 3 0 7 power button board illustrated 17 removing 61 power button identifying 10...

Страница 107: ...DL Drive 84 hard drive 82 83 optical drive 84 supported discs 73 supported discs recovery 68 system board removing 51 spare part number 16 51 system recovery 69 76 system restore point creating 68 system restore point creating 67 system restore points 74 creating 74 T tools required 23 TouchPad buttons 8 TouchPad button board removing 50 spare part number 17 50 TouchPad zone identifying 8 transpor...

Страница 108: ...100 Index ...

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HP 255 G4, Руководство по техническому обслуживанию и ремонту

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