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