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6.Removethescrewthatsecuresthecoverpresenceswitch(intrusionswitch)andremovethecover
presenceswitchfromthechassis.
Figure95.Removingthecoverpresenceswitch
156ThinkCentreHardwareMaintenanceManual
- ThinkCentre 1
- HardwareMaintenanceManual 1
- FourthEdition(February2012) 4
- ©CopyrightLenovo2011,2012 4
- GS-35F-05925 4
- Contents 5
- AppendixA.Notices.........479 7
- Index.................481 7
- Chapter1.Aboutthismanual 9
- Chapter2.Safetyinformation 11
- Voltage-selectionswitch 13
- Safetyinspectionguide 13
- Groundingrequirements 14
- Chapter2.Safetyinformation7 15
- .Safetyinformation9 17
- Chapter2.Safetyinformation11 19
- Chapter2.Safetyinformation13 21
- .Safetyinformation15 23
- Chapter2.Safetyinformation17 25
- Chapter2.Safetyinformation19 27
- Chapter2.Safetyinformation21 29
- .Safetyinformation23 31
- Chapter2.Safetyinformation25 33
- .Safetyinformation27 35
- Chapter2.Safetyinformation29 37
- Chapter2.Safetyinformation31 39
- Chapter3.Generalinformation 41
- Specications 42
- .Generalinformation35 43
- Inputfrequencyrange:50to60Hz 44
- –Highrange: 44
- Minimum:200Vac 44
- Maximum:240Vac 44
- Chapter4.Generalcheckout 45
- Chapter5.Diagnosticprograms 47
- PC-DoctorforDOS 48
- Creatingadiagnosticdisc 48
- Runningtests 48
- Testresults 49
- Viewingthetestlog 50
- Viewingorchangingsettings 51
- Usingpasswords 51
- Passwordconsiderations 52
- Power-onpassword 52
- Administratorpassword 52
- HardDiskPassword 52
- Enablingordisablingadevice 53
- Selectingastartupdevice 54
- Smartperformancechoices 54
- ExitingtheSetupUtilityprogram 55
- Chapter7.Symptom-to-FRUindex 57
- .Symptom-to-FRUindex51 59
- .Symptom-to-FRUindex53 61
- .Symptom-to-FRUindex55 63
- .Symptom-to-FRUindex57 65
- .Symptom-to-FRUindex59 67
- .Symptom-to-FRUindex61 69
- .Symptom-to-FRUindex63 71
- .Symptom-to-FRUindex65 73
- Beepsymptoms 75
- POSTerrorcodes 76
- Miscellaneouserrormessages 77
- Undeterminedproblems 79
- Removingthecomputercover 87
- 1toopenthecardlatch2 90
- Figure9.RemovingaPCIcard 91
- Figure10.InstallingaPCIcard 92
- Replacingthebattery 100
- Attention: 103
- Replacingthemicroprocessor 105
- 2onthemicroprocessor 107
- Replacingthesystemboard 108
- 2ofthemicroprocessorsocket 110
- 1,pin2,pin3 114
- Replacingthefrontfanassembly 115
- Replacingtherearfanassembly 116
- Replacingtheinternalspeaker 119
- Completingthepartsreplacement 121
- Locations 123
- Locatingcomponents 126
- Locatingpartsonthesystemboard 127
- Locatinginternaldrives 128
- Installingorreplacinghardware 129
- Openingthecomputercover 129
- InstallingorreplacingaPCIcard 134
- Figure60.RemovingaPCIcard 135
- Installingthecardreader 136
- Replacingthecardreader 138
- Replacingtheharddiskdrive 142
- 1,pin2,pin4,andpin 144
- Replacingtheopticaldrive 145
- 1and2onthesystemboard 153
- Replacingthesystemfanassembly 161
- Chapter10.FRUlists 171
- .FRUlists165 173
- .FRUlists167 175
- .FRUlists169 177
- .FRUlists171 179
- .FRUlists173 181
- .FRUlists175 183
- .FRUlists177 185
- .FRUlists179 187
- .FRUlists181 189
- MechanicalFRUs 190
- .FRUlists183 191
- .FRUlists185 193
- .FRUlists187 195
- .FRUlists189 197
- .FRUlists191 199
- .FRUlists193 201
- KeyboardandMouse 202
- .FRUlists195 203
- .FRUlists197 205
- .FRUlists199 207
- .FRUlists201 209
- .FRUlists203 211
- .FRUlists205 213
- .FRUlists207 215
- .FRUlists209 217
- .FRUlists211 219
- .FRUlists213 221
- .FRUlists215 223
- .FRUlists217 225
- .FRUlists219 227
- .FRUlists221 229
- .FRUlists223 231
- .FRUlists225 233
- .FRUlists227 235
- .FRUlists229 237
- .FRUlists231 239
- .FRUlists233 241
- .FRUlists235 243
- .FRUlists237 245
- .FRUlists239 247
- .FRUlists241 249
- .FRUlists243 251
- .FRUlists245 253
- .FRUlists247 255
- .FRUlists249 257
- AdaptersandmiscellaneousFRUs 258
- .FRUlists251 259
- .FRUlists253 261
- PowerCords 262
- .FRUlists255 263
- .FRUlists257 265
- .FRUlists259 267
- .FRUlists261 269
- .FRUlists263 271
- .FRUlists265 273
- Recoverydiscs 274
- .FRUlists267 275
- .FRUlists269 277
- .FRUlists271 279
- .FRUlists273 281
- Windows7HomeBasic32RecoveryCD 283
- .FRUlists277 285
- .FRUlists279 287
- .FRUlists281 289
- .FRUlists283 291
- .FRUlists285 293
- .FRUlists287 295
- .FRUlists289 297
- Chapter10.FRUlists291 299
- .FRUlists293 301
- .FRUlists295 303
- .FRUlists297 305
- Chapter10.FRUlists299 307
- .FRUlists301 309
- .FRUlists303 311
- .FRUlists305 313
- .FRUlists307 315
- .FRUlists309 317
- .FRUlists311 319
- .FRUlists313 321
- .FRUlists315 323
- .FRUlists317 325
- .FRUlists319 327
- .FRUlists321 329
- .FRUlists323 331
- .FRUlists325 333
- .FRUlists327 335
- .FRUlists329 337
- .FRUlists331 339
- .FRUlists333 341
- .FRUlists335 343
- .FRUlists337 345
- .FRUlists339 347
- .FRUlists341 349
- .FRUlists343 351
- .FRUlists345 353
- .FRUlists347 355
- .FRUlists349 357
- .FRUlists351 359
- .FRUlists353 361
- .FRUlists355 363
- .FRUlists357 365
- .FRUlists359 367
- .FRUlists361 369
- .FRUlists363 371
- .FRUlists365 373
- .FRUlists367 375
- .FRUlists369 377
- .FRUlists371 379
- .FRUlists373 381
- .FRUlists375 383
- .FRUlists377 385
- .FRUlists379 387
- .FRUlists381 389
- .FRUlists383 391
- .FRUlists385 393
- .FRUlists387 395
- .FRUlists389 397
- .FRUlists391 399
- .FRUlists393 401
- .FRUlists395 403
- .FRUlists397 405
- .FRUlists399 407
- .FRUlists401 409
- .FRUlists403 411
- .FRUlists405 413
- .FRUlists407 415
- .FRUlists409 417
- .FRUlists411 419
- .FRUlists413 421
- .FRUlists415 423
- .FRUlists417 425
- .FRUlists419 427
- .FRUlists421 429
- .FRUlists423 431
- .FRUlists425 433
- .FRUlists427 435
- .FRUlists429 437
- .FRUlists433 441
- .FRUlists435 443
- .FRUlists437 445
- .FRUlists439 447
- .FRUlists441 449
- .FRUlists443 451
- .FRUlists445 453
- .FRUlists447 455
- .FRUlists449 457
- .FRUlists451 459
- .FRUlists453 461
- .FRUlists455 463
- .FRUlists457 465
- .FRUlists459 467
- Chapter10.FRUlists461 469
- .FRUlists463 471
- .FRUlists465 473
- .FRUlists467 475
- .FRUlists469 477
- Chapter10.FRUlists471 479
- .FRUlists473 481
- Powermanagement 485
- AutomaticPower-Onfeatures 485
- AppendixA.Notices 487
- Televisionoutputnotice 488
- EuropeanconformanceCEmark 488
- Trademarks 488
- *0A23284* 492
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