Lenovo 350828U, X100E 98

Table22. Removal steps of LCD unit (continued)

3

3

3

Step Screw (quantity) Color Torque

3 M2 ×4 mm, wafer-head, nylon-coated (3) Silver 0.181Nm

(1.85 kgfcm)

4

4

98 ThinkPad X100e HardwareMaintenance Manual

Contents

Main Page Page Page Contents About this manual ..........v Safety information ..........1 Important service information.....29 General checkout ..........33 Related service information......45 Page About this manual Page Safety information General safety 2 Electrical safety 4 Safety inspection guide Handling devices that are sensitive to electrostatic discharge Grounding requirements 6 Safety notices (multilingual translations) 8 Page Page Page 12 Page 14 Page 16 Page Page Page Page Page Page Page 24 Page Page Page Page Important service information Strategy for replacing FRUs Strategy for replacing a hard disk drive Important notice for replacing a system board 30 How to use error message Strategy for replacing FRUs for CTO, CMV, and GAV Product definition Dynamic Configure To Order (CTO) Custom Model Variant (CMV) General Announce Variant (GAV) FRU identification for CTO, CMV, and GAV products Using eSupport Using the HMM 32 General checkout What to do first 34 Checkout guide Diagnostics using PC-Doctor for DOS Testing the computer 36 Detecting system information with PC-Doctor Lenovo ThinkVantage Toolbox (Lenovo System Toolbox) PC-Doctor for Rescue and Recovery 38 FRU tests 40 Power system checkout Checking the AC adapter Checking operational charging Checking the battery pack 42 Checking the backup battery Page Related service information Restoring the factory contents by using Recovery Disc Set Passwords 46 Power-on password Hard-disk password Supervisor password How to remove the power-on password How to remove the hard-disk password 48 Page Power management Screen blank mode 50 Sleep (Standby) mode Hibernation mode Symptom-to-FRU index Numeric error codes 52 Page 54 Error messages No-beep symptoms LCD-related symptoms 56 Intermittent problems Undetermined problems Page Status indicators 60 Fn key combinations The following table shows the function of each combination of Fn with a function key. 62 Page Page FRU replacement notices Screw notices Retaining serial numbers Restoring the serial number of the system unit 66 Retaining the UUID Reading or writing the ECA information Page Removing and replacing a FRU Before servicing ThinkPad X100e 70 1010 Battery pack 72 1020 Bottom door 74 1030 Hard disk drive (HDD) 1040 DIMM 76 1050 PCI Express Mini Card for wireless LAN Page 1060 PCI Express Mini Card for wireless WAN Page 1070 Bluetooth daughter card (BDC-2) 1080 Keyboard 82 Page Page 1090 Palm rest assembly, power-on board assembly (with cable), and microphone 86 Page Page 1100 CRT board assembly (with cable) Page 1110 Speaker assembly 1120 System board, fan assembly, and backup battery Note: The fan assembly and the backup battery are attached to the system board. 92 Page 94 Page 96 1130 LCD unit 98 1140 DC-in cable and base cover assembly 100 2010 LCD bezel assembly 2020 Integrated camera 102 2030 LCD panel, hinges, and LCD cable 104 Page 2090 Antenna kit and LCD rear cover assembly 106 Locations Front view Rear view Bottom view 108 Parts list Overall 110 Page 112 Page 114 Page 116 LCD FRUs Parts list 117 118 Keyboard AC adapters Miscellaneous parts 120 Power cords Recovery discs Windows XP Home Edition (32 bit) DVDs 122 Windows 7 Starter (32 bit) DVDs Windows 7 Home Basic (32 bit) DVDs Windows 7 Home Premium (32 bit) DVDs 124 Windows 7 Professional (32 bit) DVDs Common service tools 126 Notices Trademarks 128