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HP B1274TU, B1201VU manual Perform the following steps to disassemble the display assembly, Display

Models: B1225TU B1205VU B1283TU B1227TU

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Perform the following steps to disassemble the display assembly:

1. Remove all screw covers (1) and screws (2) that secure the display bezel to the display assembly.

2. Lift up and out on the left and right inside edges (1) and the top and bottom inside edges (2) of the display bezel until the bezel disengages from the display assembly.

3. Remove the display bezel (3).

Display 129

Page 137

Image 137

HP B1274TU, B1201VU Perform the following steps to disassemble the display assembly, Remove the display bezel, Display

Contents

Compaq Presario B1200 Notebook PC Maintenance and Service GuideCopyright 2007 Hewlett-Packard Development Company, L.P Safety warning notice iv Safety warning notice Removal and replacement procedures Table of contents1 Product description 2 External component identification Illustrated parts catalogScrew listing Setup UtilitySpecifications 9 Connector pin assignments 8 Backup and RecoveryPower cord set requirements RecyclingPage Description 1 Product descriptionCategory Description 2 Chapter 1 Product descriptionCategory Description Integrated personal area network PAN options by way of BluetoothCategory 4 Chapter 1 Product description ServiceabilityCategory DescriptionDisplay components 2 External component identificationComponent DescriptionPointing devices Top componentsComponent FunctionControl Panel System and Maintenance ButtonsPower Options ComponentComponent KeysFunction esc keyDescription LightsComponent 10 Chapter 2 External component identification Blinking The volume scroll zone is being used to decreaseComponent DescriptionProduces sound when connected to optional powered stereo Front componentsComponent Function12 Chapter 2 External component identification Left-side componentsComponent FunctionComponent Right-side componentsFunction Connects an optional S-Video device such as a television14 Chapter 2 External component identification Bottom componentsComponent FunctionSerial number location 3 Illustrated parts catalog16 Chapter 3 Illustrated parts catalog Computer major componentsSpeaker assembly RTC batteryBluetooth module DescriptionDescription 18 Chapter 3 Illustrated parts catalogSpare part numberSpare part Descriptionnumber Broadcom 802.11a/b/g WLAN modulesItem Description 20 Chapter 3 Illustrated parts catalogSpare part numberItem Description Cable KitSpare part number Cable KitItem Description Plastics KitSpare part number Plastics KitItem Description Mass storage devicesSpare part number Description24 Chapter 3 Illustrated parts catalog Miscellaneous partsDescription Spare part numberSpare part Description number Sequential part number listingSpare part Description number 26 Chapter 3 Illustrated parts catalogSpare part Sequential part number listingDescription numberSpare part 28 Chapter 3 Illustrated parts catalogDescription numberPreliminary replacement requirements 4 Removal and replacement proceduresService considerations Tools requiredDrive handling Cables and connectorsElectrostatic discharge damage Grounding guidelinesWorkstation guidelines Packaging and transporting guidelinesVoltage protection level Equipment guidelinesMaterial Unknown user password Serial number Component replacement procedures36 Chapter 4 Removal and replacement procedures Computer feetBattery Camera module 8. Remove the camera module and bracket Component replacement procedures7. Disconnect the camera module cable 2 from the camera module 10. Remove the camera module bracket 2 from the camera module Reverse this procedure to reassemble and install the camera module40 Chapter 4 Removal and replacement procedures Hard drive 42 Chapter 4 Removal and replacement procedures Reverse this procedure to reassemble and install the hard drive6. Remove the hard drive 4 from the hard drive bay 8. Lift the bracket 2 straight up to remove it from the hard driveMemory module 44 Chapter 4 Removal and replacement procedures Reverse this procedure to install a memory moduleSpare part number WLAN moduleDescription 46 Chapter 4 Removal and replacement procedures 4. Remove the battery see Battery on page Remove the WLAN moduleBefore removing the WLAN module, follow these steps 2. Disconnect all external devices connected to the computerComponent replacement procedures Reverse this procedure to install the WLAN moduleOptical drive 7. Remove the optical drive bracket Reverse this procedure to reassemble and install an optical driveComponent replacement procedures Keyboard Component replacement procedures 8. Remove the keyboard Reverse this procedure to install the keyboardSwitch cover Reverse this procedure to install the switch cover 6. Remove the switch coverComponent replacement procedures 5. Disconnect the LED board cable 1 from the system boardDisplay assembly Component replacement procedures 9. Lift the display assembly 2 straight up and remove it5. Disconnect the display panel cable 1 from the system board 6. Disconnect the camera cable 2 from the system board56 Chapter 4 Removal and replacement procedures 17. Remove the display panel 2 from the display enclosure Component replacement procedures58 Chapter 4 Removal and replacement procedures Reverse this procedure to reassemble and install the display assemblye. Display assembly see Display assembly on page d. Switch cover see Switch cover on pageTop cover a. Hard drive see Hard drive on page2. Remove the following 60 Chapter 4 Removal and replacement procedures2 Seven Phillips PM2.5×7.0 screws 3 Three Phillips PM2.0×3.0 screws 3. Turn the computer right-side up, with the front toward you7. Lift the top cover 3 straight up and remove it Reverse this procedure to install the top coverComponent replacement procedures f. Top cover see Top cover on page RTC batteryd. Switch cover see Switch cover on page e. Display assembly see Display assembly on pageComponent replacement procedures 2. Remove the RTC batteryReverse this procedure to install the RTC battery d. Switch cover see Switch cover on page Front LED boarde. Display assembly see Display assembly on page a. Hard drive see Hard drive on paged. Switch cover see Switch cover on page Bluetooth modulea. Hard drive see Hard drive on page b. Optical drive see Optical drive on pagef. Top cover see Top cover on page Speaker assemblye. Display assembly see Display assembly on page a. Hard drive see Hard drive on page 4. Remove the battery see Battery on paged. Switch cover see Switch cover on page Microphone g. Bluetooth module see Bluetooth module on paged. Switch cover see Switch cover on page e. Display assembly see Display assembly on pageSystem board ExpressCard assembly see ExpressCard assembly on pageMemory module see Memory module on page WLAN module see WLAN module on page70 Chapter 4 Removal and replacement procedures Reverse this procedure to install the system boardh. System board see System board on page ExpressCard assemblyd. Switch cover see Switch cover on page e. Display assembly see Display assembly on pageReverse this procedure to install the ExpressCard assembly 4. Remove the ExpressCard assembly from the system board72 Chapter 4 Removal and replacement procedures 3. Turn the system board right-side up, with the left side toward youd. Switch cover see Switch cover on page Modem modulee. Display assembly see Display assembly on page g. Bluetooth module see Bluetooth module on page4. Remove the modem module and modem module cable 74 Chapter 4 Removal and replacement procedurese. Display assembly see Display assembly on page d. Switch cover see Switch cover on pageg. Bluetooth module see Bluetooth module on page a. Hard drive see Hard drive on page4. Remove the fan 3 from the heat sink Reverse this procedure to install the fan76 Chapter 4 Removal and replacement procedures h. System board see System board on page i. Fan see Fan on page Heat sinkd. Switch cover see Switch cover on page e. Display assembly see Display assembly on page3. Remove the heat sink 3 by lifting it straight up Reverse this procedure to install the heat sink78 Chapter 4 Removal and replacement procedures d. Switch cover see Switch cover on page Processore. Display assembly see Display assembly on page g. Bluetooth module see Bluetooth module on pageRemove the processor i. Fan see Fan on page j. Heat sink see Heat sink on pageChanging the language of the Setup Utility 5 Setup UtilityStarting the Setup Utility Restoring default settings in the Setup Utility Navigating and selecting in the Setup Utility2. Select Exit Load Setup Defaults, and then press enter Displaying system informationClosing the Setup Utility Using advanced Setup Utility featuresSetup Utility menus Main menuDiagnostics menu System Configuration menuSecurity menu SelectMetric 6 SpecificationsComputer specifications 86 Chapter 6 Specifications 12.1-inch, WXGA display specificationsMetric Metric200-GB Hard drive specifications160-GB 120-GB88 Chapter 6 Specifications DVD/CD-RW Combo Drive specificationsDVD-ROM Drive 90 Chapter 6 Specifications System DMA specificationsHardware DMA System functionSystem function System interrupt specificationsHardware IRQ 92 Chapter 6 Specifications System I/O address specificationsSystem function shipping configuration I/O address hexI/O address hex System I/O address specificationsSystem function shipping configuration 94 Chapter 6 Specifications System memory map specificationsSize Memory addressPhillips PM2.0×4.0 screw 7 Screw listing96 Chapter 7 Screw listing Phillips PM2.0×4.0 screw Where used 3 screws that secure the fan to the heat sinkPhillips PM2.0×5.0 captive screw Where usedColor QuantityColor Phillips PM2.5×12.0 captive screwQuantity LengthColor Phillips PM3.0×4.0 screwQuantity LengthColor Phillips PM2.5×4.0 screwQuantity Length102 Chapter 7 Screw listing Where used 2 screws that secure the top cover to the base enclosureWhere used 2 screws that secure the modem module to the system board Where used Phillips PM2.5×7.0 screwColor Quantity104 Chapter 7 Screw listing Where used 3 captive screws that secure the keyboard to the computerWhere used 7 screws that secure the top cover to the base enclosure Phillips PM2.5×7.0 screw Where used 2 screws that secure the top cover to the base enclosureColor Phillips PM2.0×3.0 screwQuantity LengthPhillips PM2.0×3.0 screw Color Phillips PM2.5×5.0 screwQuantity LengthColor Torx T8M2.5×6.0 screwQuantity LengthColor Torx T8M2.5×5.0 screwQuantity LengthColor Phillips PM2.5×6.0 screwQuantity LengthColor Phillips PM2.0×6.0 screwQuantity LengthColor Phillips PM2.0×6.0 shoulder screwQuantity LengthRecovering system information 8 Backup and RecoveryWhen to back up Backing up your informationWhen to create restore points Using system restore pointsCreate a system restore point 1. Select Start Control Panel System and Maintenance SystemRestore to a previous date and time Creating recovery discs1. Select Start All Programs Recovery Manager Recovery Manager 3. Click Recovery disc creation, and then click Nexta. Select Start Control Panel Programs Uninstall a program Reinstalling software programs and driversReinstalling preinstalled programs and drivers Recovering from the recovery discs Performing a recoveryRecovering from the partition on the hard drive Select Start All Programs Recovery Manager Recovery ManagerUpdating reinstalled software Deleting the recovery partition on the hard drive2. Select Start All Programs Recovery Manager Recovery Manager 4. Click Remove recovery partition, and then click NextAudio-out headphone 9 Connector pin assignmentsAudio-in microphone SignalExternal monitor External monitorSignal Signal RJ-11 modem122 Chapter 9 Connector pin assignments RJ-45 network RJ-45 networkSignal Signal S-Video-out124 Chapter 9 Connector pin assignments Universal Serial Bus Universal Serial BusSignal Requirements for all countries and regions 10 Power cord set requirementsCountry/region Requirements for specific countries and regionsAccredited agency Applicable note numberDisplay Battery11 Recycling Display Perform the following steps to disassemble the display assembly3. Remove the display bezel 130 Chapter 11 Recycling 6. Remove the display panel assembly 2 from the display enclosure7. Turn the display panel assembly upside down 12. Lift the top edge of the backlight cover 2 and swing it outward 10. Remove the display panel frame 2 from the display panel13. Remove the backlight cover 14. Turn the display panel right-side up132 Chapter 11 Recycling 16. Turn the display panel upside down17. Remove the backlight frame from the display panel 19. Disconnect the display panel cable 1 from the LCD panel 18. Remove the backlight from the backlight frame21. Release the LCD panel 3 from the display rear panel 23. Remove the LCD panel 24. Recycle the LCD panel and backlightIndex volume mute ExpressCard assemblyEthernet, product description memory module compartmentPage