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Lenovo ThinkCentre M55 Hardware Maintenance Manual - Page 270

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8803 Keyboards (USB Preferred - without hub) US English (models B1G 91A B1H 91H 6HG 6HH 6AA 9BQ 9CA 9CQ 9CH A1Q 8LG 8LQ 8LC 8LH 9KA DFG) Arabic (models B1G 6HG 8LG DFG) Arabic/French (models B1G 6HG 8LG DFG) Belgian/French (models B1G 6HG 8LG DFG) Belgian/UK (models B1G 6HG 8LG DFG) Bulgarian (models B1G 6HG 8LG DFG) Chinese/US (models B1B 91B 6HB 9CB A3V 8LB) Czech (models B1G 6HG 8LG DFG) Danish (models B1G 6HG 8LG DFG) Dutch (models B1G 6HG 8LG DFG) French (models B1G 6HG 8LG DFG) German (models B1G 6HG 8LG DFG) Greek (models B1G 6HG 8LG DFG) Greek/US (models B1G 6HG 8LG DFG) Hebrew (models B1G 6HG 8LG DFG) Hungarian (models B1G 6HG 8LG DFG) Iceland (models B1G 6HG 8LG DFG) Italian 141 (models B1G 6HG 8LG DFG) Japanese (models A5J A6J A7J A8J ABJ ACJ AFJ AGJ AKJ ALJ AMJ ANJ ARJ ASJ AVJ AWJ 83J 84J 85J 86J 87J 8AJ 8BJ 8EJ 8FJ 61J 62J 63J 64J 65J 66J 8MJ 6JJ 6KJ 6BJ 6CJ 6DJ 6EJ 6FJ 6GJ) Norwegian (models B1G 6HG 8LG DFG) Polish (models B1G 6HG 8LG DFG) Portuguese (models B1G 6HG 8LG DFG) Romanian 096 (models B1G 6HG 8LG DFG) Romanian 446 (models B1G 6HG 8LG DFG) Russian/Cyrillic (models B1G 6HG 8LG DFG) Serbian/Cyrillic (models B1G 6HG 8LG DFG) Slovak (models B1G 6HG 8LG DFG) Spanish (models B1G 6HG 8LG DFG) Swedish/Finn (models B1G 6HG 8LG DFG) Swiss (models B1G 6HG 8LG DFG) Thailand (models 91T 6AT 9CT 9KT) Turkish 440 (models B1G 6HG 8LG DFG) Turkish 179 (models B1G 6HG 8LG DFG) UK English (models B1G 6HG 8LG DFG) US Euro (models B1G 6HG 8LG DFG) Slovenian (models B1G 6HG 8LG DFG) FRU# 41A5289 41A5290 41A5291 41A5292 41A5293 41A5295 41A5296 41A5297 41A5298 41A5299 41A5300 41A5303 41A5304 41A5305 41A5306 41A5307 41A5308 41A5309 41A5310 41A5313 41A5314 41A5315 41A5317 41A5316 41A5318 41A5319 41A5320 41A5321 41A5322 41A5323 41A5324 41A5325 41A5326 41A5327 41A5328 41A5329 CRU Tier 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 RoHS? Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y 264 Hardware Maintenance Manual

Section	Page
Chapter 1. About this manual	7
Important Safety Information	7
Strategy for replacing FRUs for CTO, CMV, and GAV products	8
Product definition	8
FRU Identification for CTO, CMV, and GAV products	8
Important information about replacing RoHS compliant FRUs	9
Chapter 2. Safety information	11
General safety	11
Electrical safety	11
Safety inspection guide	13
Handling electrostatic discharge-sensitive devices	13
Grounding requirements	14
Safety notices (multi-lingual translations)	14
Chapter 3. General information	37
The ThinkVantage™ Productivity Center program	37
Additional information resources	37
Physical specifications	37
Types 8009, 8791, 8795, 8799, 8803, and 8807	37
Types 6488, 8010, 8792, 8796, 8800, 8804, 8808, and 9168	38
Types 8011, 8793, 8797, 8801, 8805, 8810, and 9166	39
Types 6487, 8012, 8794, 8798, 8802, 8806, 8811, and 9167	40
Chapter 4. General Checkout	43
Problem determination tips	44
Chapter 5. Diagnostics	47
PC-Doctor for Windows	47
PC-Doctor for DOS	47
Creating a diagnostic CD image	47
Creating diagnostic diskettes	48
Running diagnostics from the CD or diskettes	48
Running diagnostics from the Rescue and Recovery workspace	48
PC-Doctor for Windows PE	49
Running diagnostics from the Rescue and Recovery workspace	49
Navigating through the diagnostics programs	49
Running tests	49
Test results	50
Fixed disk advanced test (FDAT)	50
Quick and Full erase - hard drive	52
Viewing the test log	52
Chapter 6. Using the Setup Utility	53
Starting the Setup Utility program	53
Viewing and changing settings	53
Exiting from the Setup Utility program	53
Using passwords	53
User Password	53
Administrator Password	54
Setting, changing, and deleting a password	54
Selecting a startup device	54
Selecting a temporary startup device	54
Changing the startup device sequence	54
Advanced settings	55
Chapter 7. Symptom-to-FRU Index	57
Hard disk drive boot error	57
Power Supply Errors	57
Diagnostic error codes	58
Beep symptoms	76
No-beep symptoms	78
POST error codes	78
Miscellaneous error messages	80
Undetermined problems	82
Chapter 8. FRU lists	85
Machine Type 6487	85
Machine Type 6488	96
Machine Type 8009	106
Machine Type 8010	116
Machine Type 8011	120
Machine Type 8012	129
Machine Type 8791	141
Machine Type 8792	151
Machine Type 8793	161
Machine Type 8794	171
Machine Type 8795	181
Machine Type 8796	190
Machine Type 8797	200
Machine Type 8798	209
Machine Type 8799	219
Machine Type 8800	231
Machine Type 8801	243
Machine Type 8802	254
Machine Type 8803	265
Machine Type 8804	277
Machine Type 8805	286
Machine Type 8806	296
Machine Type 8807	305
Machine Type 8808	318
Machine Type 8810	335
Machine Type 8811	349
Machine Type 9166	368
Machine Type 9167	372
Machine Type 9168	376
Chapter 9. Additional Service Information	381
Security features	381
Hardware controlled Passwords	381
Operating system password	381
Vital product data	381
BIOS levels	381
Flash update procedures	381
Updating (flashing) BIOS from a diskette or CD-ROM	382
Updating (flashing) BIOS from your operating system	382
Recovering from a POST/BIOS update failure	382
Power management	383
Automatic configuration and power interface (ACPI) BIOS	383
Automatic Power-On features	383
Recovering software using the Rescue and Recovery program	383
Appendix A. Notices	385
Television output notice	386