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IBM X121E Windows 7 Professional 64-bit DVDs, 3051-CTO, 52x, 5Ax, 5Bx, 5Dx, 5Ex 3053-CTO 3055-CTO

Models: X121E

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• 3051-CTO, 52x, 5Ax, 5Bx, 5Dx, 5Ex
•	3053-CTO
•	3055-CTO
Table 46. Parts list-Windows 7 Professional (32-bit) recovery DVDs

	Language	P/N	CRU ID

	Indian English	03W7981	N

	Japanese	03W7982

	Simplified Chinese	03W7980

	US English	03W7983

Windows 7 Professional (64-bit) DVDs

Windows 7 Professional (64-bit) is preinstalled as the operating system in the following models:

•3045-CTO, 63x, 64x, 65x, 66x, 67x, 68x, 6Qx, 6Rx, 6Ux

•3048-CTO, 22x, 23x, 2Nx, 2Px, 2Qx, 2Vx

•3049-CTO

•3051-CTO, 5Qx

•3053-CTO, 2Dx

•3055-CTO

Table 47. Parts list-Windows 7 Professional (64-bit) recovery DVDs

Language	P/N	CRU ID

Arabic	03W7984	N

Brazilian Portuguese	03W7985

C&L Croatian (English/Slovenian/Croatian)	03W8010

C&L EMEA (Dutch/French/German/Italian/English)	03W8008

C&L HongKong (Simplified Chinese/English)	03W8009

C&L Nordics (Danish/Finnish/Swedish/Norwegian/English)	03W8007

Czech	03W7988

French	03W7990

German	03W7992

Greek	03W7991

Hebrew	03W7993

Hungarian	03W7994

Indian English	03W7989

Japanese	03W7995

Korean	03W7996

Polish	03W7997

Portuguese	03W7998

Romanian	03W7999

Russian	03W8000

Serbian-Latin	03W8003

Simplified Chinese	03W7986

100Hardware Maintenance Manual

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IBM X121E manual Windows 7 Professional 64-bit DVDs, 3051-CTO, 52x, 5Ax, 5Bx, 5Dx, 5Ex 3053-CTO 3055-CTO

Contents

Hardware Maintenance Manual ThinkPad X121e First Edition July Copyright Lenovo Contents Locations ThinkPad X121e About this manualIii Iv Hardware Maintenance Manual Safety information General safety Electrical safety Safety inspection guide Safety notices multilingual translations Grounding requirements Safety 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 Strategy for replacing FRUs Important service informationBefore replacing parts Select Downloads & Drivers Strategy for replacing a hard disk drive How to use error messageDynamic Configure To Order CTO Important notice for replacing a system board FRU identification for CTO, CMV, and GAV products Using PEWGeneral Announce Variant GAV Hardware Maintenance Manual General checkout What to do first Following are not covered under warranty Diagnostics using PC-Doctor for DOSCheckout guide Testing the computer Hardware Info Diagnostics Interactive TestsLenovo ThinkVantage Toolbox Utility FRU tests Applicable test Interactive Tests Mouse Power system checkoutChecking the ac power adapter Pin Voltage V dc Checking operational charging Checking the battery packTerminal Voltage V dc Checking the backup battery Wire Voltage V dc Related service information Restoring the factory contents by using Recovery Disc Set Power-on password PasswordsHard disk password How to remove the hard-disk password Supervisor passwordHow to remove the power-on password Select Power-On Password Screen blank mode Power managementSleep standby mode Hibernation mode Symptom-to-FRU index Numeric error codes Beep symptoms Error messagesNo-beep symptoms Reseat the LCD connectors LCD-related symptomsIntermittent problems See important note for LCD-related symptoms Undetermined problems Hardware Maintenance Manual Status indicators Indicator Meaning Hardware Maintenance Manual Fn key combinations Speaker volume down keysKey combination Description Key combination Description For Windows For Windows Vista and Windows XP External CRU statement to customers FRU replacement noticesScrew notices Plastic to plastic Restoring the serial number of the system unit Retaining serial numbersSelect 2. Read S/N data from Eeprom MTM on the rear label Retaining the UuidReading or writing the ECA information Product ID on the rear label Hardware Maintenance Manual Removing and replacing a FRU Before servicing ThinkPad X121e models Battery pack Important notice for replacing a battery pack Bottom slot cover Memory modules Removal steps of memory modules Hard disk drive or solid state drive assembly PCI Express Mini Card for wireless LAN Step Screw quantity Color Torque Removal steps of PCI Express Mini Card for wireless LAN PCI Express Mini Card for wireless WAN Removal steps of PCI Express Mini Card for wireless WAN Keyboard 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 System board assembly, fan assembly, and backup battery Important notices for handling the system board Step 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 When installing LCD unit M2.5 × 5 mm, wafer-head, nylon-coated Black 392 Nm Kgfcm LCD bezel assembly Step Screw cap Screw quantity Color Torque Integrated camera Removal steps of integrated camera LCD panel, LCD cable, and hinges Removal steps of hinges Removing and replacing a FRU Hardware Maintenance Manual Locations Front view Rear view Bottom view Parts list External CRU statement to customers Overall FRU Overall FRU no CRU CRU CRU CRU CRU CRU CRU No. FRU Overall LCD FRUsFRU no. CRU ID FRU LCD FRU LCD FRU LCD Language FRU no Ac power adapters Miscellaneous parts Power cords Country or region FRU no Windows Vista Business 32-bit DVDs Recovery discs Windows XP Professional 32-bit DVDsLanguage Windows 7 Home Basic 32-bit DVDs Windows 7 Home Premium 32-bit DVDs Windows 7 Home Premium 64-bit DVDs Windows 7 Professional 32-bit DVDs Windows 7 Professional 64-bit DVDs 3051-CTO, 52x, 5Ax, 5Bx, 5Dx, 5Ex 3053-CTO 3055-CTO Windows 7 Starter 32-bit DVDs Windows 7 Ultimate 32-bit DVDsWindows 7 Ultimate 64-bit DVDs US English 04T1876 Common service tools Tool Appendix A. Notices 103 Electronic emissions notices TrademarksPage 0A96013