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Lenovo 28155XU manual When installing the keyboard, do as follows, Attach the keyboard connector

Models: 2808DKU 28155XU 28155YU

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When installing the keyboard, do as follows:

When installing the keyboard, do as follows:

Table 17. Installation steps of keyboard

1. Attach the keyboard connector.

98ThinkPad T400s Hardware Maintenance Manual

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Lenovo 28155XU When installing the keyboard, do as follows, Attach the keyboard connector, Installation steps of keyboard

Contents

ThinkPad T400s Hardware Maintenance Manual Page ThinkPad T400s Hardware Maintenance Manual First Edition June Copyright Lenovo Contents Parts list About this manual ThinkPad T400sviThinkPad T400s Hardware Maintenance Manual Safety information General safety Electrical safety –Power supply units –Pumps –Blowers and fans Safety inspection guide Grounding requirements NotesvEnglish vArabic vBrazilian Portuguese vFrench Safety notices multilingual translationsSafety information vGerman vHebrew vJapanese vKorean vSpanishDANGER DANGERDANGER DANGERDANGER DANGERDANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card10ThinkPad T400s Hardware Maintenance Manual Safety information PERIGO PERIGOPERIGO PERIGOPERIGO PERIGOPERIGO Para evitar choque elétrico, não remova a capa plástica que protege a parte inferior da placa inversoraDANGER DANGERDANGER DANGERDANGER DANGERDANGER Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure de la carte d’alimentationVORSICHT VORSICHTVORSICHT VORSICHTVORSICHT VORSICHTVORSICHT VORSICHT18ThinkPad T400s Hardware Maintenance Manual Safety information 20ThinkPad T400s Hardware Maintenance Manual Safety information 22ThinkPad T400s Hardware Maintenance Manual Safety information PELIGRO PELIGROPELIGRO PELIGROPELIGRO PELIGROPELIGRO Para evitar descargas, no quite la cubierta de plástico que rodea la parte baja de la tarjeta invertida26ThinkPad T400s Hardware Maintenance Manual Safety information DANGER Safety information Não abra CUIDADOPERIGO DANGER öffnen VORSICHTGEFAHR Safety information 34ThinkPad T400s Hardware Maintenance Manual Safety information PRECAUCIÓN 36ThinkPad T400s Hardware Maintenance ManualPELIGRO Safety information 38ThinkPad T400s Hardware Maintenance Manual Before replacing parts Important service informationStrategy for replacing FRUs 3.Select Downloads and driversStrategy for replacing a hard disk drive How to use error messageImportant notice for replacing a system board Strategy for replacing FRUs for CTO, CMV, and GAV Dynamic Configure To Order CTOUsing PEW Product definitionUsing the HMM Using eSupport42ThinkPad T400s Hardware Maintenance Manual Important notes General checkoutvBe careful not to replace a nondefective FRU What to do first The following are not covered under warrantyDiagnostics using PC-Doctorfor DOS Checkout guideTesting the computer Interactive Tests Detecting system information with PC-DoctorDiagnostics Hardware InfoLenovo System Toolbox PC-Doctorfor Rescue and RecoveryFRU tests Table 1. FRU tests continued Applicable testTable 1. FRU tests continued Touch PadPower system checkout Checking the AC adapterChecking the battery pack Checking operational chargingChecking the backup battery 54ThinkPad T400s Hardware Maintenance Manual Related service information Service Web siteHard-diskpassword PasswordsPower-onpassword Supervisor password5.Select Power-OnPassword How to remove the power-onpasswordHow to remove the hard-diskpassword A If no SVP has been set6.Select Master HDP Screen blank mode Power managementStandby mode Hibernation mode Symptom-to-FRUindex Numeric error codesTable 2. Numeric error codes continued Symptom or errorTable 2. Numeric error codes continued Symptom or errorTable 2. Numeric error codes continued Symptom or errorError messages Table 3. Error messagesTable 4. Beep symptoms Beep symptomsNo-beepsymptoms Table 5. No-beepsymptomsLCD-relatedsymptoms NotesIntermittent problems Undetermined problemsFeature SpecificationsTable 7. Specifications DescriptionBluetooth wireless Table 7. Specifications continuedI/O port Status indicators Copyright LenovoIndicator Table 8. Status indicatorsBluetooth Meaning Table 8. Status indicators continuedIndicator Blinking green slow74ThinkPad T400s Hardware Maintenance Manual Key combination Fn key combinationsTable 9. Fn key combinations DescriptionTable 9. Fn key combinations continued Fn+F7vPlastic to plastic FRU replacement noticesScrew notices vLogic card to plasticRetaining the UUID Retaining serial numbersRestoring the serial number of the system unit 3.Select 2. Read S/N data from EEPROMReading or writing the ECA information 80ThinkPad T400s Hardware Maintenance Manual Removing and replacing a FRU DANGERBefore servicing ThinkPad T400s Removing the SIM card1010 Battery pack DANGERFor access, remove this FRU Screw quantity 1030 Solid state drive SSD or hard disk drive HDDStep Color86ThinkPad T400s Hardware Maintenance Manual Table 12. Removal steps of SSD or HDD continuedv“1010 Battery pack” on page 1040 DIMMFor access, remove these FRUs in order Note: Loosen the screwsTable 13. Removal steps of DIMM continued 1050 PCI Express Mini Card for wireless LAN Removing and replacing a FRUColor StepScrew quantity TorqueWhen installing 1060 PCI Express Mini Card for wireless WAN 92ThinkPad T400s Hardware Maintenance ManualColor StepScrew quantity Torque94ThinkPad T400s Hardware Maintenance Manual Table 16. Removal steps of keyboard 1070 KeyboardRemoving and replacing a FRU Screw quantity 96ThinkPad T400s Hardware Maintenance ManualStep ColorTable 16. Removal steps of keyboard continued the connectorand then detach Removing and replacing a FRUTable 17. Installation steps of keyboard When installing the keyboard, do as follows1. Attach the keyboard connector 98ThinkPad T400s Hardware Maintenance Manual2. Attach the keyboard so that the keyboard edges 1080 Backup battery DANGERStep 1090 Wireless USB adapter or Intel Turbo MemoryNote: Step Screw quantity102ThinkPad T400s Hardware Maintenance Manual Screw quantity For access, remove these FRUs in orderStep Color104ThinkPad T400s Hardware Maintenance Manual 5 5Screw quantity 1110 Bluetooth daughter card BDC-2Step ColorScrew quantity 1120 Keyboard bezel and speaker assemblyStep ColorColor StepScrew quantity TorqueNote: Before step 108ThinkPad T400s Hardware Maintenance Manualkeyboard bezel as shown in the figure Color StepScrew quantity TorqueScrew quantity 1130 5-in-1Media Card Reader adapterStep ColorScrew quantity 1140 Bluetooth–wirelessradio switch FPCStep Color112ThinkPad T400s Hardware Maintenance Manual Screw quantity 1150 LCD unitStep Color114ThinkPad T400s Hardware Maintenance Manual When installingTable 25. Removal steps of LCD unit continued Table 25. Removal steps of LCD unit continued Removing and replacing a FRU116ThinkPad T400s Hardware Maintenance Manual Table 25. Removal steps of LCD unit continuedImportant notices for handling the system board ICH I/O Controller Hub CPU Color StepScrew quantity TorqueScrew quantity Note The steps fromStep ColorScrew quantity When installingStep Color122ThinkPad T400s Hardware Maintenance Manual Screw quantity 1170 I/O sub card and base cover assemblyStep ColorNote: Applying labels to the base cover Step 2010 LCD bezel assemblyTable 28. Removal steps of LCD bezel assembly Screw cap126ThinkPad T400s Hardware Maintenance Manual 3 2 22v“1010 Battery pack” on page 2020 LCD latch L and RFor access, remove the following FRU v“2010 LCD bezel assembly” on pageScrew quantity 2030 Integrated camera or microphone sub cardStep ColorRemoving and replacing a FRU Step 2040 LED sub card130ThinkPad T400s Hardware Maintenance Manual Screw quantity2050 LCD panel Important notice on handling the LCD panelWhen installing vDO NOT work by lifting the LCD panelTable 32. Removal steps of LCD panel continued Removing and replacing a FRU2060 LCD cable Screw quantity 2070 Hinge kitStep Color136ThinkPad T400s Hardware Maintenance Manual Table 34. Removal steps of hinge kit continued2080 LED cable 138ThinkPad T400s Hardware Maintenance Manual Table 35. Removal steps of LED cable continuedScrew quantity 2090 Antenna kit and LCD rear cover assemblyStep Color140ThinkPad T400s Hardware Maintenance Manual Locations Front viewRear view Bottom view 144ThinkPad T400s Hardware Maintenance Manual Optional-serviceCRUs Parts listSelf-serviceCRUs Notes22 21 20 19 18 17 16 15 14 13 12 11 Overall146ThinkPad T400s Hardware Maintenance Manual 1 2 3 4 5 6 7 8 9FRU Overall Table 37. Parts list—OverallFRU no Table 37. Parts list—Overallcontinued Ericsson F3507g USA - Wireless WAN cardTable 37. Parts list—Overallcontinued DVD-RAM/RWdriveTable 37. Parts list—Overallcontinued MicroSATA solid state drive, 64 GBTable 37. Parts list-Overallcontinued 45N7955Table 37. Parts list—Overallcontinued 42T1327Table 37. Parts list—Overallcontinued 43Y9976Table 37. Parts list-Overallcontinued 2-GB DDR3-1066SDRAM SO-DIMM PC3-8500cardTable 37. Parts list—Overallcontinued Palm rest assembly with fingerprint reader11 1 2 10 LCD FRUs156ThinkPad T400s Hardware Maintenance Manual 3 4 5FRU 14.1-inchWXGA+ TFT Table 38. Parts list—14.1-inchWXGA+ TFTFRU no Language KeyboardTable 39. Parts list-Keyboard FRU noMiscellaneous parts Table 40. Parts list—Miscellaneouspartscontinued Table 40. Parts list—MiscellaneouspartsKeyboard bezel miscellaneous parts Table 41. Parts list-2-pinAC adapters AC adaptersTable 42. Parts list—3-pinAC adapters Table 45. Parts list—3-pinpower cords Power cordsTable 44. Parts list—2-pinpower cords Country or regionRecovery discs Windows XP Professional recovery DVDsv2824-CTO v2825-CTO 164ThinkPad T400s Hardware Maintenance Manualv2801-CTO v2808-CTO v2809-CTO v2815-CTO v2823-CTO Languagev2801-CTO v2808-CTO v2809-CTO,73x v2815-CTO,32x Windows Vista Home Basic 32 bit recovery DVDsv2823-CTO v2824-CTO v2825-CTO v2801-CTO,A9x, AHx, AJx, AKx v2808-CTO v2809-CTO Windows Vista Home Premium 32 bit recovery DVDsv2815-CTO v2823-CTO v2824-CTO v2825-CTO Windows Vista Business 32 bit recovery DVDs Brazilian Portuguese v2815-CTO,3Px, 3Rx v2823-CTO,9Gx v2824-CTO Windows Vista Business 64 bit recovery DVDsv2801-CTO v2808-CTO,CGx, CMx v2809-CTO v2825-CTOv2815-CTO,2Qx, 2Tx, 3Nx, 3Qx v2823-CTO,9Fx Windows Vista Ultimate 32 bit recovery DVDsv2801-CTO v2808-CTO v2809-CTO v2824-CTO v2825-CTOTable 53. Parts list—Commonservice tools Common service toolsTool 172ThinkPad T400s Hardware Maintenance Manual 1009 Think Place - Building One Morrisville, NC NoticesLenovo United States, Inc U.S.A Attention: Lenovo Director of LicensingTrademarks Page Part Number 45M2271 1P P/N: 45M2271