Page 3 - Safety warning notice
Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not place the device directly on your lap or obstruct the device air vents. Use the device only on a hard, flat surface. Do notallow another hard surface, such as an adjoining optional ...
Page 5 - Table of contents
Table of contents 1 Product description ....................................................................................................................................... 1 2 External component identification .........................................................................................
Page 9 - Product description
1 Product description Category Description HP 255 models (AMD) HP 250 models (Intel) Product name HP 255 G1 Notebook PC √ HP 250 G1 Notebook PC √ Processors AMD processors A6-5200 2.00-GHz processor (1600-MHz memory speed, quad core, 25 W) √ A4-5000 1.50-GHz processor (1600-MHz memory speed, quad co...
Page 13 - External component identification; Right side
2 External component identification Right side Component Description (1) Optical drive Reads an optical disc. NOTE: On select models, the optical drive also writes to an optical disc. (2) Optical drive light ● Green: The optical drive is being accessed. ● Off: The optical drive is idle. (3) Optical ...
Page 14 - Left side
Left side Component Description (1) External monitor port Connects an external VGA monitor or projector. (2) Vent Enables airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internalfan to cycle...
Page 15 - Front
Component Description (9) Hard drive light ● White: A storage device is being accessed. ● Off: No storage device is being accessed. (10) Power light ● White: The computer is on. ● Blinking white: The computer is in the Sleep state, which isan energy-saving mode. The computer shuts off power tothe di...
Page 16 - Display
Display Component Description (1) Internal display switch Turns off the display and initiates Sleep if the display is closed whilethe power is on. NOTE: The internal display switch is not visible from the outside of the computer. (2) Internal microphone Records sound. (3) Webcam Records video, captu...
Page 17 - Top; TouchPad
Top TouchPad Component Description (1) TouchPad on/off button Turns the TouchPad on or off. (2) TouchPad light ● Amber: The TouchPad is enabled. ● Off: The TouchPad is disabled. (3) TouchPad zone Moves the on-screen pointer and selects or activates items onthe screen. (4) Left TouchPad button Functi...
Page 18 - Lights
Lights Component Description (1) Caps lock light White: Caps lock is on, which switches the keys to all capitalletters. Off: Caps lock is off. (2) Power light ● White: The computer is on. ● Blinking white: The computer is in the Sleep state, which isan energy-saving mode. The computer shuts off powe...
Page 19 - Buttons
Buttons Component Description Power button ● When the computer is off, press the button to turn on thecomputer. ● When the computer is in the Sleep state, press the buttonbriefly to exit Sleep. ● When the computer is in Hibernation, press the buttondown briefly to exit Hibernation. If the computer h...
Page 20 - Keys
Keys Component Description (1) esc key Displays system information when pressed in combination withthe fn key. (2) fn key Displays system information when pressed in combination withthe esc key. (3) Windows 8 logo key Windows 8: Returns you to the Start screen from an open app orthe Desktop. NOTE: P...
Page 21 - Bottom
Bottom Component Description (1) Battery bay Holds the battery. (2) Vents (3) Enable airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fanto cycle on and off during routine operation....
Page 23 - Illustrated parts catalog; Computer major components
3 Illustrated parts catalog Computer major components ENWW Computer major components 15
Page 28 - Display assembly subcomponents
Display assembly subcomponents Item Component Spare part number (1) Display bezel 689675-001 (2) Webcam/microphone module , HD 703461-001 (3) 39.6-cm (15.6-inch), HD, LED, BrightView raw display panel 720510-001 (4a) Top hinge covers (4b) Side hinge covers (5) Hinges (include hinges and left and rig...
Page 30 - Mass storage devices
Mass storage devices Item Component Spare part number (1) Hard drive (2.5-in, SATA; does not include hard drive cable or bracket): NOTE: The hard drive cable and bracket are included in the Hard Drive Hardware Kit, spare part number 685089-001. 750-GB, 5400-rpm 634250-001 640-GB, 5400-rpm 669300-001...
Page 32 - Sequential part number listing
Component Spare part number For use in the United Kingdom 490371-031 Rubber computer feet (includes computer feet and display rubber) 691221-001 Screw Kit 689691-001 Thermal pad (for use with all models) 651046-001 Sequential part number listing Spare part number Description 449137-001 RTC battery 4...
Page 37 - Removal and replacement procedures; Preliminary replacement requirements; Tools required; Plastic parts
4 Removal and replacement procedures Preliminary replacement requirements Tools required You will need the following tools to complete the removal and replacement procedures: ● Flat-bladed screwdriver ● Magnetic screwdriver ● Phillips P0 and P1 screwdrivers Service considerations The following secti...
Page 38 - Drive handling; Grounding guidelines; Electrostatic discharge damage
Drive handling CAUTION: Drives are fragile components that must be handled with care. To prevent damage to the computer, damage to a drive, or loss of information, observe these precautions: Before removing or inserting a hard drive, shut down the computer. If you are unsure whether the computeris o...
Page 41 - Component replacement procedures; Service tag and PCID label; Service tag
Component replacement procedures This chapter provides removal and replacement procedures. Make special note of each screw's size and location during removal and replacement. Service tag and PCID label Service tag When ordering parts or requesting information, provide the computer serial number and ...
Page 42 - PCID label
PCID label The PCID label provides the information required to properly reset the notebook firmware (BIOS) back tofactory shipped specifications when replacing the system board. The label may have a different number ofcharacters depending on the operating system on the computer. Windows 8 models Non...
Page 43 - Computer feet
Computer feet Description Spare part number Rubber computer feet 691221-001 The computer feet are adhesive-backed rubber pads. There are 4 rubber feet that attach to the baseenclosure in the locations illustrated below. ENWW Component replacement procedures 35
Page 44 - Battery
Battery Description Spare part number 6-cell, 55-Whr, 2.55-Ah Li-ion battery 593554-001 6-cell, 47-Whr, 2.20-Ah Li-ion battery 593553-001 Before disassembling the computer, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecompute...
Page 53 - WLAN module
WLAN module Description Spare part number Atheros AR9485 802.11b/g/n 1x1 WiFi Adapter 675794-001 Ralink RT3290LE 802.11bgn 1x1 Wi-Fi and Bluetooth 4.0 Combo Adapter 690020-001 Realtek RTL8188EE 802.11bgn Wi-Fi Adapter 709848-001 CAUTION: To prevent an unresponsive system, replace the wireless module...
Page 55 - Memory module
Memory module Description Spare part number 4-GB (PC3, 12800, 1600-MHz) 641369-001 2-GB (PC3, 12800, 1600-MHz) 652972-001 Before removing a memory module, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer on, and then shu...
Page 57 - Hard drive
Hard drive NOTE: The hard drive spare part kit does not include the hard drive cable or bracket. The hard drive cable and bracket are included in the Hard Drive Hardware Kit. Description Spare part number 750-GB, 5400-rpm 634250-001 640-GB, 5400-rpm 669300-001 500-GB, 5400-rpm 669299-001 320-GB, 540...
Page 60 - Optical drive
Optical drive NOTE: The optical drive spare part kit includes the rear optical drive bracket but does not include the optical drive cable or cable bracket. The optical drive cable and cable bracket are included in the optical drivecable kit. See Optical drive cable on page 84 for more information ab...
Page 69 - Power button board
Power button board Description Spare part number Power button board (includes cable) 689686-001 Before removing the power button board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer on, and then shut it down through t...
Page 71 - TouchPad button board
TouchPad button board Description Spare part number TouchPad button board (includes bracket and cables) 689688-001 Before removing the TouchPad button board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer on, and then ...
Page 73 - Speakers
Speakers Description Spare part number Speakers (includes left and right speakers and cable) 689693-001 Before removing the speakers, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer on, and then shut it down through the...
Page 75 - USB board
USB board Description Spare part number USB board (includes cable) 689687-001 Before removing the USB board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer on, and then shut it down through the operating system. 2. Dis...
Page 88 - System board
System board NOTE: The system board spare part kit includes replacement thermal materials (including a thermal pad). Description Spare part number System board for use only with computer models equipped with an AMD A6-5200 processor ● For use in models without Windows 8 730670-001 ● For use in model...
Page 92 - Optical drive cable
Optical drive cable Description Spare part number Optical drive cable (includes cable bracket) 685084-001 Before removing the optical drive cable, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer on, and then shut it dow...
Page 94 - Fan/heat sink assembly
Fan/heat sink assembly NOTE: The fan/heat sink assembly spare part kit includes replacement thermal materials. Description Spare part number Fan/heat sink assembly for use only with computer models equipped with an AMD processor 688281-001 Fan/heat sink assembly for use only with computer models equ...
Page 98 - Processor
Processor NOTE: This section applies only to computer models equipped with an Intel processor. AMD processors come soldered to the system board and cannot be removed or replaced. NOTE: The processor spare part kit includes replacement thermal materials. Description Spare part number Intel Core i5 pr...
Page 101 - Updating the BIOS; Determining the BIOS version
5 Using Setup Utility (BIOS) and SystemDiagnostics Setup Utility, or Basic Input/Output System (BIOS), controls communication between all the input and outputdevices on the system (such as disk drives, display, keyboard, mouse, and printer). Setup Utility (BIOS)includes settings for the types of dev...
Page 102 - Downloading a BIOS update
Downloading a BIOS update CAUTION: To reduce the risk of damage to the computer or an unsuccessful installation, download and install a BIOS update only when the computer is connected to reliable external power using the AC adapter.Do not download or install a BIOS update while the computer is runni...
Page 103 - Using System Diagnostics
Using System Diagnostics System Diagnostics allows you to run diagnostic tests to determine if the computer hardware is functioningproperly. To start System Diagnostics: 1. Turn on or restart the computer, quickly press esc , and then press f2 . 2. Click the diagnostic test you want to run, and then...
Page 105 - Specifications; Computer specifications
6 Specifications Computer specifications Metric U.S. Dimensions Depth 23.1 cm 9.09 in Width 34.2 cm 13.46 in Height (front to back) 3.00 to 3.55 cm 1.18 to 1.40 in Weight 2.19 kg 4.84 lb Input power Operating voltage and current 18.5 V dc @ 3.5 A or 19.5 V dc @ 3.33 A – 65 W 19 V dc @ 4.74 A or 19.5...
Page 107 - Hard drive specifications
Hard drive specifications 750-GB* 640-GB* 500-GB* 320-GB* Dimensions Height 7.0 mm 7.0 mm 7.0 mm 7.0 mm Length 100.4 mm 100.4 mm 100.4 mm 100.4 mm Width 69.9 mm 69.9 mm 69.9 mm 69.9 mm Weight 115 g 98.8 g 95.0 g 98.8 g Interface type SATA SATA SATA SATA Transfer rate Synchronous (maximum) up to 300 ...
Page 110 - Creating recovery media and backups; Creating HP Recovery media
Creating recovery media and backups Recovery after a system failure is only as good as your most recent backup. 1. After you successfully set up the computer, create HP Recovery media. This step creates a backup of theHP Recovery partition on the computer. The backup can be used to reinstall the ori...
Page 112 - Restore and recovery
Restore and recovery There are several options for recovering your system. Choose the method that best matches your situationand level of expertise: ● If you need to restore your personal files and data, you can use Windows File History to restore yourinformation from the backups you created. For mo...
Page 114 - Recovering using HP Recovery Manager; What you need to know
3. Click Change PC settings in the bottom-right corner of the screen, and then select General from the PC settings screen. 4. Under Remove everything and reinstall Windows , select Get started , and follow the on-screen instructions. Recovering using HP Recovery Manager HP Recovery Manager software ...
Page 115 - Using HP Recovery media to recover; Changing the computer boot order; Removing the HP Recovery partition
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 doesnot 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 first HP Recovery disc...
Page 117 - Power cord set requirements; Requirements for all countries
8 Power cord set requirements The wide-range input feature of the computer permits it to operate from any line voltage from 100 to 120volts ac, or from 220 to 240 volts ac. The 3-conductor power cord set included with the computer meets the requirements for use in the country orregion where the equi...
Page 118 - Requirements for specific countries and regions
Requirements for specific countries and regions Country/region Accredited agency Applicable note number Argentina IRAM 1 Australia SAA 1 Austria OVE 1 Belgium CEBEC 1 Brazil ABNT 1 Canada CSA 2 Chile IMQ 1 Denmark DEMKO 1 Finland FIMKO 1 France UTE 1 Germany VDE 1 India ISI 1 Israel SII 1 Italy IMQ ...
Page 121 - Recycling
9 Recycling Battery When a non-rechargeable or rechargeable battery has reached the end of its useful life, do not dispose of thebattery in general household waste. Follow the local laws and regulations in your area for battery disposal. HP encourages customers to recycle used electronic hardware, H...
Page 127 - Index
Index A AC adapter spare part number 26 AC adapter light identifying 5 action keys identifying 12 antennas illustrated 21removing 79spare part number 25 audio product description 3 audio-in (microphone) jack identifying 6 audio-out (headphone) jack identifying 6 B back up personal files 102 base enc...
