HP 450 Spécifications

HP 240 Notebook PC and HP 245Notebook PCMaintenance and Service Guide

Category Description Computer modelsequipped with anAMD processorComputer modelsequipped with anIntel processor Intel Core i3-3110M 2.40-GHz processo

Fan/heat sink assemblyNOTE: The fan/heat sink assembly spare part kit includes replacement thermal materials.Description Spare part numberFan/heat sin

To remove the fan/heat sink assembly:1. Disconnect the fan cable (1) from the system board.2. Loosen the screws on the heat sink (2) that secure the f

NOTE: The following illustration shows the fan/heat sink assembly removal process on a computermodel equipped with an Intel processor and a graphics s

The thermal material must be thoroughly cleaned from the surfaces of the heat sink and the systemboard components each time the heat sink is removed.

●Thermal paste is used on the processor (1) and the heat sink section (2) that services itNOTE: The following illustration shows the replacement therm

●Thermal paste is used on the processor (1) and the heat sink section (2) that services itReverse this procedure to reassemble and install the fan/hea

ProcessorNOTE: This section applies only to computer models equipped with an Intel processor. AMDprocessors come soldered to the system board and cann

3. Disconnect the power from the computer by first unplugging the power cord from the AC outletand then unplugging the AC adapter from the computer.4.

2. Lift the processor (3) straight up, and then remove it.NOTE: The gold triangle (4) on the processor must be aligned with the triangle icon embossed

5 Computer Setup (BIOS) and AdvancedSystem DiagnosticsWindows 7 – Computer Setup (BIOS) and AdvancedSystem DiagnosticsUsing Computer SetupComputer Set

Category Description Computer modelsequipped with anAMD processorComputer modelsequipped with anIntel processor Intel Pentium B960 2.20-GHz processor

NOTE: You can use either a pointing device (TouchPad, pointing stick, or USB mouse) or thekeyboard to navigate and make selections in Computer Setup.2

Updating the BIOSUpdated versions of the BIOS may be available on the HP website.Most BIOS updates on the HP website are packaged in compressed files

NOTE: If you connect your computer to a network, consult the network administrator beforeinstalling any software updates, especially system BIOS updat

To start Advanced System Diagnostics:1. Turn on or restart the computer. While the “Press the ESC key for Startup Menu” message isdisplayed in the low

To exit Computer Setup menus, choose one of the following methods:●To exit Computer Setup menus without saving your changes:Click the Exit icon in the

Updating the BIOSUpdated versions of the BIOS may be available on the HP website.Most BIOS updates on the HP website are packaged in compressed files

NOTE: If you connect your computer to a network, consult the network administrator beforeinstalling any software updates, especially system BIOS updat

To start Advanced System Diagnostics:1. Turn on or restart the computer. While the “Press the ESC key for Startup Menu” message isdisplayed in the low

6 SpecificationsComputer specifications Metric U.S.DimensionsDepth 23.1 cm 9.09 inWidth 34.2 cm 13.46 inHeight (front to back) 3.00 to 3.55 cm 1.18 to

14.0-inch display specifications Metric U.S.DimensionsHeight 17.6 cm 6.93 inWidth 31.2 cm 12.28 inDiagonal 35.7 cm 14.06 inNumber of colors Up to 16.8

Category Description Computer modelsequipped with anAMD processorComputer modelsequipped with anIntel processor Intel HD Graphics 4000 (on computer m

Hard drive specifications 750-GB* 640-GB* 500-GB* 320-GB*DimensionsHeight 9.5 mm 9.5 mm 9.5 mm 9.5 mmLength 100.4 mm 100.4 mm 100.4 mm 100.4 mmWidth 6

7 Backup and recoveryWindows 7 – Backup and recoveryTo protect your information, use Windows Backup and Restore to back up individual files and folder

HP Recovery Disc Creator can create two kinds of recovery DVDs as follows:●Windows DVD—Installs the operating system without additional drivers or app

NOTE: The backup process may take over an hour, depending on file size and the speed of thecomputer.1. Select Start > All Programs > Maintenance

4. Select Startup Repair.5. Follow the on-screen instructions.NOTE: For additional information on recovering information using the Windows tools, perf

5. Click Next.6. Select Repair your computer.7. Follow the on-screen instructions.After the repair is completed:1. Eject the Windows 7 operating syste

To create a backup using Backup and Restore:NOTE: Be sure that the computer is connected to AC power before you start the backup process.NOTE: The bac

4. Select Troubleshoot, select Advanced Options, and then select Automatic Repair.5. Follow the on-screen instructions.NOTE: For additional informatio

After the repair is completed:1. Eject the Windows 8 operating system media and then insert the Driver Recovery media.2. Install the Hardware Enabling

To use the Start screen:1. On the Start screen, point to the far-right upper or lower corner of the screen to display thecharms.2. Click Settings.3. C

Category Description Computer modelsequipped with anAMD processorComputer modelsequipped with anIntel processor Supports the following hard drives:●

8 Power cord set requirementsThe wide-range input feature of the computer permits it to operate from any line voltage from 100 to120 volts ac, or from

Requirements for specific countries and regionsCountry/region Accredited agency Applicable note numberArgentina IRAM 1Australia SAA 1Austria OVE 1Belg

Country/region Accredited agency Applicable note numberThe United States UL 21.The flexible cord must be Type HO5VV-F, 3-conductor, 0.75mm2 conductor

9 RecyclingBatteryWhen a non-rechargeable or rechargeable battery has reached the end of its useful life, do notdispose of the battery in general hous

Perform the following steps:1. Remove all screw covers (1) and screws (2) that secure the display bezel to the displayassembly.2. Lift up and out on t

4. Disconnect all display panel cables (1) from the display inverter and remove the inverter (2).5. Remove all screws (1) that secure the display pane

10. Remove the display panel frame (2) from the display panel.11. Remove the screws (1) that secure the backlight cover to the display panel.12. Lift

15. Remove the backlight cables (1) from the clip (2) in the display panel.16. Turn the display panel upside down.17. Remove the backlight frame from

19. Disconnect the display cable (1) from the LCD panel.20. Remove the screws (2) that secure the LCD panel to the display rear panel.21. Release the

IndexAAC adapter light, identifying 9AC adapter, spare part number31advanced system diagnostics104, 108antennasidentifying 12illustrated 24removing 85

Category Description Computer modelsequipped with anAMD processorComputer modelsequipped with anIntel processorExternal mediacardHP Multi-Format Digit

Ggraphics, product description 3grounding guidelines 34guidelinesequipment 37grounding 34packaging 36transporting 36workstation 36Hhard driveillustrat

removing 75spare part number 29power connector, identifying 9power cordrequirements for all countries122requirements for specificcountries and regions

removing 85spare part number 29wireless light, identifying 14wireless module compartment,identifying 17wireless, product description 5WLAN moduleillus

Category Description Computer modelsequipped with anAMD processorComputer modelsequipped with anIntel processor Support for the following batteries:●

2 External component identificationFrontComponent DescriptionSpeakers (2) Produce sound.8 Chapter 2 External component identification

Right sideComponent Description(1) Optical drive Reads an optical disc.NOTE: On select models, the optical drive also writes toan optical disc.(2)

Left sideComponent Description(1)External monitor port Connects an external VGA monitor or projector.(2) Vent Enables airflow to cool internal compo

Component Description(9)Hard drive light●Blinking white: The hard drive is being accessed.(10)Power light●White: The computer is on.● Blinking white:

© Copyright 2012 Hewlett-PackardDevelopment Company, L.P.AMD and Radeon are trademarks ofAdvanced Micro Devices, Inc. Bluetooth isa trademark owned by

DisplayComponent Description(1) Internal display switch Turns off the display and initiates Sleep if the display is closedwhile the power is on.NOTE:

TopTouchPadComponent Description(1) TouchPad on/off button Turns the TouchPad on or off.(2) TouchPad light●On: The TouchPad is off.● Off: The Touch

LightsComponent Description(1) Caps lock light On: Caps lock is on, which switches the keys to all capitalletters.(2)Power light ● White: The comput

ButtonsComponent DescriptionPower button ● When the computer is off, press the button to turn onthe computer.●When the computer is in the Sleep state,

KeysComponent Description(1) esc key Displays system information when pressed in combinationwith the fn key.(2) fn key Displays system information

BottomComponent Description(1) Battery bay Holds the battery.(2) Vents (3) Enable airflow to cool internal components.NOTE: The computer fan start

3 Illustrated parts catalogComputer major components18 Chapter 3 Illustrated parts catalog

Item Component Spare part number(1) Display assembly (not spared)NOTE: For more display assembly spare part information, see Display assembly subcompo

Item Component Spare part number ●Models with Windows 8 Professional 688853-601 For use only with computer models equipped with an AMD E1-1200 proces

Item Component Spare part number ●Models without Windows 8 685783-001 ●Models with Windows 8 Standard 685783-501 ● Models with Windows 8 Professional

Safety warning noticeWARNING! To reduce the possibility of heat-related injuries or of overheating the device, do notplace the device directly on your

Item Component Spare part number Broadcom 4313GN 802.11b/g/n 1x1 WiFi and 20702 Bluetooth 4.0 Combo Adapter 657325-001 Ralink WLAN Ralink Ripple3 RT

Display assembly subcomponentsItem Component Spare part number(1) Display bezel (includes Mylar screw covers) 685081-001(2) Webcam/microphone module:

Item Component Spare part number 35.6-cm (14.0-in), HD, LED, Anti-glare display panel 694746-001 Hinge covers (includes Mylar screw covers): 685088-

Mass storage devicesItem Component Spare part number(1) Hard drive (6.35-cm (2.5-in), SATA; does not include hard drive cable or bracket):NOTE: The ha

Item Component Spare part number(2b) Hard drive cable(3) Optical drive (DVD±RW and CD-RW Super Multi Double-Layer Combo Drive;includes rear optical dr

Miscellaneous partsComponent Spare part numberHP Smart AC adapter:For use with computer models equipped with discrete graphics:90-W PFC RC V HP Smart

Sequential part number listingCSR flag designations:A = MandatoryB = OptionalC = Service technician recommendedN = Non-user replaceableSpare partnumbe

Spare partnumberCSRflagDescription670691-001 A Ralink WLAN Ralink Ripple3 RT5390F_802.11 b/g/n 1x1 PCIe HMC675794-001 A Atheros AR9485 802.11b/g/n 1x1

Spare partnumberCSRflagDescription685107-001 N System board for use only with computer models without Windows 8 and equipped with an IntelCore i5 or i

Spare partnumberCSRflagDescription688851-601 N System board for use only with computer models with Windows 8 Professional and equipped withan AMD E300

iv Safety warning notice

Spare partnumberCSRflagDescription694694-501 N System board for use only with computer models with Windows 8 Standard and equipped with anIntel Pentiu

4 Removal and replacement proceduresPreliminary replacement requirementsTools requiredYou will need the following tools to complete the removal and re

Drive handlingCAUTION: Drives are fragile components that must be handled with care. To prevent damage tothe computer, damage to a drive, or loss of i

CAUTION: A product can be degraded by as little as 700 V.Typical electrostatic voltage levels Relative humidityEvent 10% 40% 55%Walking across carpet

Packaging and transporting guidelinesFollow these grounding guidelines when packaging and transporting equipment:● To avoid hand contact, transport pr

Equipment guidelinesGrounding equipment must include either a wrist strap or a foot strap at a grounded workstation.● When seated, wear a wrist strap

Component replacement proceduresThis chapter provides removal and replacement procedures.There are as many as 66 screws that must be removed, replaced

PCID labelThe PCID label provides the information required to properly reset the notebook firmware (BIOS)back to factory shipped specifications when r

Computer feetDescription Spare part numberRubber computer feet 685103-001The computer feet are adhesive-backed rubber pads. There are 4 rubber feet th

BatteryDescription Spare part number6-cell, 55-Whr, 2.55-Ah Li-ion battery 593554-0016-cell, 47-Whr, 2.20-Ah Li-ion battery 593553-001Before disassemb

Table of contents1 Product description ...

Display subcomponents (bezel, webcam, panel)This section describes removing display subcomponents that do not require that you remove theentire displa

4. Remove the display bezel (3).Component replacement procedures 43

5. To remove the webcam/microphone module:a. Remove the two broadhead Phillips PM2.5×2.5 screws (1) that secure the display paneland hinges to the enc

b. Disconnect the module cable from the module.Component replacement procedures 45

c. Remove the webcam/microphone module. (The module is attached to the display enclosurewith double-sided tape.)46 Chapter 4 Removal and replacement

6. To remove the display panel:a. Remove the four Phillips PM2.0×3.0 screws (1) that secure the display hinges to the displaypanel, and then tilt the

c. Release the webcam/microphone module cable that is secured to the back of the displaypanel with adhesive material, and then remove the display pane

WLAN moduleDescription Spare part numberAtheros AR9485 802.11b/g/n 1x1 WiFi Adapter 675794-001Atheros 9485GN 802.11b/g/n 1x1 WiFi and 3012 Bluetooth 4

To remove the WLAN module:1. Loosen the memory module/wireless module compartment cover screw (1), and then lift up onthe tab (2) and remove the cover

NOTE: If the WLAN antennas are not connected to the terminals on the WLAN module, theprotective sleeves must be installed on the antenna connectors, a

Packaging and transporting guidelines ... 36Component replacement procedures ...

Memory moduleDescription Spare part number4-GB (PC3, 12800, 1600-MHz) 641369-0012-GB (PC3, 12800, 1600-MHz) 652972-001Before removing a memory module,

3. Remove the memory module (2) by pulling it away from the slot at an angle.Reverse this procedure to install a memory module.Component replacement p

Hard driveNOTE: The hard drive spare part kit does not include the hard drive cable or bracket. The hard drivecable and bracket are included in the Ha

To remove the hard drive:1. Loosen the hard drive cover screw (1), and then lift up (2) and remove the cover (3). The harddrive compartment cover is a

6. Remove the hard drive (3) from the bracket.Reverse this procedure to reassemble and install the hard drive.56 Chapter 4 Removal and replacement p

RTC batteryDescription Spare part numberRTC battery 449137-001Before removing the RTC battery, follow these steps:1. Shut down the computer. If you ar

Optical driveNOTE: The optical drive spare part kit includes the rear optical drive bracket but does not includethe optical drive cable or cable brack

3. Remove the optical drive (3) by sliding it out of the optical drive bay.4. If it is necessary to replace the optical drive bracket on the rear of t

KeyboardNOTE: The keyboard spare part kit includes a keyboard cable.Description Spare part numberKeyboard for use in Brazil 698694-201Keyboard for use

3. Using a flat-bladed screwdriver or similar tool, push the tabs of the 4 keyboard clips (1) that arevisible inside the battery bay towards the rear

Updating the BIOS ... 107Determining the BIOS version ...

6. Lift the rear edge of the keyboard (1), and then swing the keyboard up and forward (2) until itrests upside down on the palm rest.7. Release the ze

Top coverNOTE: The top cover spare part kit includes the TouchPad. However, it does not include theTouchPad cables. The TouchPad cables are included w

2. Remove the five Phillips PM2.5×6.0 screws that secure the top cover to the computer.3. Remove the four Phillips PM1.6×2.0 screws (1) and the Philli

6. Release the ZIF connectors to the power button board cable (1) and the TouchPad button boardcable (2), and then disconnect the cables from the syst

9. Remove the top cover (2).Reverse this procedure to install the top cover.66 Chapter 4 Removal and replacement procedures

Power button boardDescription Spare part numberPower button board (includes cable) 685098-001Before removing the power button board, follow these step

4. Remove the power button board and cable (3).Reverse this procedure to install the power button board and cable.68 Chapter 4 Removal and replaceme

TouchPad button boardDescription Spare part numberTouchPad button board (includes bracket and cables) 685099-001Before removing the TouchPad button bo

5. Remove the TouchPad button board cable (4) from the opening in the top cover, and thenremove the TouchPad button board (5).Reverse this procedure t

SpeakersDescription Spare part numberSpeakers (includes left and right speakers and cable) 685106-001Before removing the speakers, follow these steps:

viii

3. Remove the speakers (4).Reverse this procedure to install the speakers.72 Chapter 4 Removal and replacement procedures

USB boardDescription Spare part numberUSB board (includes cable) 685097-001Before removing the USB board, follow these steps:1. Shut down the computer

3. Remove the USB board (3).Reverse this procedure to install the USB board.74 Chapter 4 Removal and replacement procedures

Power connector cableDescription Spare part numberPower connector cable 685085-001Before removing the power connector cable, follow these steps:1. Shu

4. Remove the power connector cable (4).Reverse this procedure to install the power connector cable.76 Chapter 4 Removal and replacement procedures

Display assemblyThis section describes removing the display assembly in its entirety and disassembling all the displaysubcomponents.If you only need t

●USB board (see USB board on page 73)●Power connector cable (see Power connector cable on page 75)To remove the display assembly in its entirety:1. Di

4. Remove the display assembly (2).NOTE: Models may have either one or two antennas installed.If it is necessary to replace any of the display assembl

c. Remove the display bezel (6).2. To remove the webcam/microphone module:a. Position the display assembly with the top edge toward you.b. Remove the

d. Disconnect the module cable (3) from the module.Component replacement procedures 81

1 Product descriptionCategory Description Computer modelsequipped with anAMD processorComputer modelsequipped with anIntel processorProduct name HP 24

e. Remove the webcam/microphone module. (The module is attached to the display enclosurewith double-sided tape.)3. To remove the hinge covers:a. Posit

c. Remove the two Phillips PM2.0×3.0 screws (1) that secure the side hinge covers to thedisplay enclosure, and then remove the side hinge covers (2).4

c. On the back of the display panel, release the adhesive strip (1) that secures the displaypanel cable to the display panel, and then disconnect (2)

5. To remove the wireless antenna cables and transceivers:a. Position the display assembly with the bottom edge toward you.b. Release the wireless ant

System boardNOTE: The system board spare part kit includes replacement thermal materials (including a thermalpad).Description Spare part numberSystem

Description Spare part numberSystem board for use only with computer models equipped with an Intel Pentium or Celeronprocessor and a graphics subsyste

●Fan/heat sink assembly (see Fan/heat sink assembly on page 92)●Processor (Intel only; see Processor on page 98)NOTE: AMD processors come soldered to

3. Tilt the system board up to the left slightly (2), and then remove the system board (3).NOTE: A thermal pad services a component on the bottom of t

Optical drive cableDescription Spare part numberOptical drive cable (includes cable bracket) 685084-001Before removing the optical drive cable, follow

3. Release the optical drive cable from the clips (4) built into the base enclosure.Reverse this procedure to install the optical drive cable.Componen