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Lenovo - page 46

Models: 276583U 2808DLU 647343U R400 T400

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38 ThinkPad T400 and R400 HardwareMaintenance Manual

Contents

Main Page Page Page Contents About this manual ..........v Safety information ..........1 Important service information.....39 General checkout ..........43 Related service information......55 Locations .............145 Parts list .............149 iv Notices ..............375 About this manual v 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 Laser compliance statement (multilingual translations) 28 Page 30 Page 32 Page Page Page 36 Page Page Important service information Strategy for replacing FRUs Strategy for replacing a hard disk drive Important notice for replacing a system board 40 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 42 General checkout What to do first 44 Checkout guide Diagnostics using PC-Doctor for DOS Testing the computer 46 Detecting system information with PC-Doctor Lenovo ThinkVantage Toolbox (Lenovo System Toolbox) PC-Doctor for Windows 48 PC-Doctor for Rescue and Recovery FRU tests The following table shows the test for each FRU. 50 Page Power system checkout Checking the AC adapter 52 Checking operational charging Checking the battery pack Checking the backup battery 54 Related service information Restoring the factory contents by using Product Recovery discs Restoring the factory contents by using Recovery Disc Set 56 Passwords Power-on password Hard-disk password Supervisor password How to remove the power-on password 58 How to remove the hard-disk password Power management Screen blank mode 60 Sleep (Standby) mode Hibernation mode Symptom-to-FRU index Numeric error codes 62 Page 64 Page Error messages 66 Beep symptoms No-beep symptoms LCD-related symptoms 68 Intermittent problems Undetermined problems Page Page 72 Page Page Fn key combinations The following table shows the function of each combination of Fn with a function key. 76 Page Page FRU replacement notices Screw notices Retaining serial numbers Restoring the serial number of the system unit 80 Retaining the UUID Reading or writing the ECA information Page Removing and replacing a FRU 1010 Battery pack 84 1020 Serial Ultrabay Slim device or Serial Ultrabay Enhanced device 86 Page 1040 Palm rest or palm rest with fingerprint reader 88 Page Page 1050 DIMM 1060 Backup battery 92 1070 Keyboard Page 1080 Modem daughter card (MDC-3.0) Page 1090 PCI Express Mini Card for wireless LAN/WiMAX 98 Page Page Page 1110 Intel Turbo Memory Minicard or Wireless USB PCI Express Half-Mini Card 102 Page 1120 SIM card slot 104 Page 1130 Keyboard bezel 106 Page 1140 Speaker assembly 108 Page 1150 Fan assembly 110 Page 112 Page 114 1160 CPU 1170 LCD assembly 116 Page 118 Page 120 Page 122 Page 124 1190 Structure frame 126 Page 128 Page 130 Page 132 2010 LCD front bezel 134 2020 LCD rear cover 2030 Inverter card or LED sub card 136 2040 Bluetooth daughter card (BDC-2.1) 2050 LCD magnesium frame, hinge assembly, and integrated camera 138 Page 140 2060 Antenna assembly 142 2070 LCD panel and LCD cable 144 Locations Front view Rear view 146 Bottom view Page Parts list Overall 150 Page 152 Page 154 Page 156 Page 158 Page 160 Page 162 Page 164 Page 166 Page 168 Page 170 Page 172 Page 174 Page 176 Page 178 Page 180 Page 182 Page 184 Page 186 Page 188 Page 190 Page 192 Page 194 Page 196 Page 198 Page 200 Page 202 Page 204 Page 206 Page 208 Page 210 Page 212 Page 214 Page 216 Page 218 Page 220 Page 222 Page 224 Page 226 Page 228 Page 230 Page 232 Page 234 Page 236 Page 238 Page 240 Page 242 Page 244 Page 246 Page 248 Page 250 Page 252 Page 254 Page 256 Page 258 Page 260 Page 262 Page 264 Page 266 Page 268 Page 270 Page 272 Page 274 Page 276 LCD FRUs 278 Page 280 Page 282 Page 284 Page 286 Page 288 Page 290 Page 292 Page 294 Page 296 Page 298 Page 300 Page 302 Page 304 Page 306 Page 308 Page 310 Page 312 Page 314 Page 316 Page 318 Page 320 Page 322 Page 324 Page 326 Page 328 Page 330 Page 332 Page 334 Page 336 Page 338 Page 340 Page 342 Page 344 Page 346 Page Keyboard 348 Page Miscellaneous parts 350 Page AC adapters 352 Power cords Recovery discs Windows XP Professional (32 bit) DVDs 354 Page Windows Vista Starter (32 bit) recovery DVDs 356 Windows Vista Home Basic (32 bit) recovery DVDs 358 Windows Vista Home Premium (32 bit) recovery DVDs 360 Windows Vista Business (32 bit) recovery DVDs 362 Windows Vista Business (64 bit) recovery DVDs Windows Vista Ultimate (32 bit) recovery DVDs 364 Page Windows 7 Home Basic (32 bit) DVDs 366 Windows 7 Home Premium (32 bit) DVDs 368 Windows 7 Home Premium (64 bit) DVDs Windows Professional (32 bit) DVDs 370 Page Windows Professional (64 bit) DVDs 372 Page Common service tools 374 Notices Trademarks 376

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