IBM X121E manual Removal steps of top case assembly

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Table 19. Removal steps of top case assembly

1

1

1

1

	Step		Screw (quantity)			Color	Torque

			•	Front side: M2	× 5 mm, wafer-head, nylon-coated (2)	Black	0.181 Nm
	1		•	Front side: M2	× 5 mm, wafer-head, nylon-coated (2)	Black	0.181 Nm
			•	Rear side: M2.5 × 5 mm, wafer-head, nylon-coated (2)			(1.85 kgfcm)

2

7

5

6

2

2

3

4

Step

Screw (quantity)

Color

Torque

Chapter 8. Removing and replacing a FRU 61

Image 67

Contents ThinkPad X121e Hardware Maintenance ManualFirst Edition July Copyright Lenovo Contents Locations ThinkPad X121e About this manualIii Iv Hardware Maintenance Manual General safety Safety informationElectrical safety Safety inspection guide Grounding requirements Safety notices multilingual translationsSafety information Hardware Maintenance Manual Perigo Perigo Safety information Vorsicht Vorsicht Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Select Downloads & Drivers Important service informationBefore replacing parts Strategy for replacing FRUsImportant notice for replacing a system board How to use error messageDynamic Configure To Order CTO Strategy for replacing a hard disk driveFRU identification for CTO, CMV, and GAV products Using PEWGeneral Announce Variant GAV Hardware Maintenance Manual What to do first General checkoutFollowing are not covered under warranty Diagnostics using PC-Doctor for DOSCheckout guide Testing the computer Utility Diagnostics Interactive TestsLenovo ThinkVantage Toolbox Hardware InfoApplicable test FRU testsPin Voltage V dc Power system checkoutChecking the ac power adapter Interactive Tests MouseChecking operational charging Checking the battery packTerminal Voltage V dc Wire Voltage V dc Checking the backup batteryRestoring the factory contents by using Recovery Disc Set Related service informationPower-on password PasswordsHard disk password Select Power-On Password Supervisor passwordHow to remove the power-on password How to remove the hard-disk passwordScreen blank mode Power managementSleep standby mode Symptom-to-FRU index Hibernation modeNumeric error codes Beep symptoms Error messagesNo-beep symptoms See important note for LCD-related symptoms LCD-related symptomsIntermittent problems Reseat the LCD connectorsUndetermined problems Hardware Maintenance Manual Indicator Meaning Status indicatorsHardware Maintenance Manual Fn key combinations Speaker volume down keysKey combination Description For Windows Vista and Windows XP Key combination Description For WindowsPlastic to plastic FRU replacement noticesScrew notices External CRU statement to customersRestoring the serial number of the system unit Retaining serial numbersSelect 2. Read S/N data from Eeprom Product ID on the rear label Retaining the UuidReading or writing the ECA information MTM on the rear labelHardware Maintenance Manual Before servicing ThinkPad X121e models Removing and replacing a FRUImportant notice for replacing a battery pack Battery packBottom slot cover Removal steps of memory modules Memory modulesHard disk drive or solid state drive assembly Step Screw quantity Color Torque PCI Express Mini Card for wireless LANRemoval steps of PCI Express Mini Card for wireless LAN Removal steps of PCI Express Mini Card for wireless WAN PCI Express Mini Card for wireless WANKeyboard Removal steps of keyboard Power sub card and microphone Top case assembly Removal steps of top case assembly Bluetooth daughter card Speaker assembly 1120 I/O board Important notices for handling the system board System board assembly, fan assembly, and backup batteryStep Screw quantity Color Torque CRT board assembly with cable DC-in sub card and base cover assembly Applying labels to the base cover Hardware Maintenance Manual LCD unit When installingM2.5 × 5 mm, wafer-head, nylon-coated Black 392 Nm Kgfcm Step Screw cap Screw quantity Color Torque LCD bezel assemblyRemoval steps of integrated camera Integrated cameraLCD panel, LCD cable, and hinges Removal steps of hinges Removing and replacing a FRU Hardware Maintenance Manual Front view LocationsBottom view Rear viewExternal CRU statement to customers Parts listOverall CRU FRU Overall FRU noCRU CRU CRU CRU CRU CRU No. FRU Overall LCD FRUsFRU no. CRU ID FRU LCD FRU LCD FRU LCD Language FRU no Miscellaneous parts Ac power adaptersCountry or region FRU no Power cordsWindows Vista Business 32-bit DVDs Recovery discs Windows XP Professional 32-bit DVDsLanguage Windows 7 Home Premium 32-bit DVDs Windows 7 Home Basic 32-bit DVDsWindows 7 Professional 32-bit DVDs Windows 7 Home Premium 64-bit DVDs3051-CTO, 52x, 5Ax, 5Bx, 5Dx, 5Ex 3053-CTO 3055-CTO Windows 7 Professional 64-bit DVDsUS English 04T1876 Windows 7 Ultimate 32-bit DVDsWindows 7 Ultimate 64-bit DVDs Windows 7 Starter 32-bit DVDsTool Common service tools103 Appendix A. NoticesTrademarks Electronic emissions noticesPage 0A96013