Lenovo ThinkCentre M55 Hardware Maintenance Manual - Page 336

Item

#

8810 FRUs

FRU#

CRU

Tier

RoHS?

2

Power Supply, 275 active PFC-WW, China, JAPAN (models CTO A8M A9M 91G

93U 93F 95K 95R 96K 96R 98U 98F 99M 9AU 9AF 9BK 9BR 94G 94M 94T 94E

94J 9CM 9DM 9EM 9FM 9GM 9HM D1U D1F D2U D2F D3U D3F D4M D5M

E1M 6BK 6GM 9KK 9KR F3F F4F F4K F6F F7G 94A 94K 94R F8U F8F F8G

F8M F8A F8T F8K F8R F8E 6JU 6JF 6JG 6JM 6JA 6JT 6JK 6JR 6JE D7U D7F

D7G D7M D7A D7T D7K D7R D7E 6EU 6EF 6EG 6EM 6EA 6ET 6EK 6ER 6EE

6EJ 6FU 6FF FCK FDM 6NM 6PK 9NU 9NF 9NS 9NP 9NL 9ND 9NY 9NG 9NM

9NA 9NT 9NK 9NR D8M E5G E6G E3A E3T D9K ADD 94V F8S F8P F8L F8D

F8Y F8Q F8C F8B F8H F8V 6JS 6JP 6JL 6JD 6JY 6JQ 6JC 6JB 6JH 6JV D7S

D7P D7L D7D D7Y D7Q D7C D7B D7H D7V A2S A2P A2L A2D A2Y A3S A3P

A3L A3D A3Y A4S A4P A4L A4D A4Y A5S A5P A5L A5D A5Y A6S A6P A6L

A6D A6Y A7S A7P A7L A7D A7Y A8S A8P A8L A8D A8Y AAS AAP AAL AAD

AAY 92S 92P 92L 92D 92Y 97S 97P 97L 97D 97Y A8B A8H 94S 94P 94L 94D

94Y 94Q 94C 94B 94H 6AB 6AH 6CS 6CP 6CY 6DS 6DP 6DY 6HS 6HP 6HL

6HY D6S D6P D6L D6Y F1Q F2S F2P F2L F2D F2Y F2Q F5S F5P F5L F5D F5Y

F5B F5H 6ES 6EP 6EL ADD 6ED 6EY 6EQ 6EC 6EB 6EH 6EV FDC FDB FDH

6LC 6LB 6LH 9NC 9NB 9NH 9NQ 9NV E4B E4H F8J 6JJ D7J 9NE 9NJ)

41A9640

2

Y

3

Diskette drive, 3.5" 1.44MB 2-mode (models CTO A2S A2P A2L A2D A2Y A3S

A3P A3L A3D A3Y A4S A4P A4L A4D A4Y 6AB 6AH F1Q)

40Y9107

1

Y

3

Diskette drive, 3.5" 1.44MB 2-mode (models CTO A2S A2P A2L A2D A2Y A3S

A3P A3L A3D A3Y A4S A4P A4L A4D A4Y 6AB 6AH F1Q)

40Y9105

1

Y

4

DVD-ROM 16X/48X - Black-NON/VISTA (models 94A 94V 94K 94R F8U F8F

F8S F8P F8L F8D F8Y F8G F8M F8A F8Q F8T F8C F8B F8H F8V F8K F8R F8E

F8J 6JU 6JF 6JS 6JP 6JL 6JD 6JY 6JG 6JM 6JA 6JQ 6JT 6JC 6JB 6JH 6JV

6JK 6JR 6JE 6JJ CTO 94U 94F 99M 94S 94P 94L 94D 94Y 94G 94M 94Q

94T 94C 94B 94H 94E 94J 9EM 9HM D2U D2F D4M D5M 6GM F3F F4F F4K

6EU 6EF 6ES 6EP 6EL 6ED 6EY 6EG 6EM 6EA 6EQ 6ET 6EC 6EB 6EH 6EV

6EK 6ER 6EE 6EJ FDM FDC FDB FDH 6LC 6LB 6LH 9NU 9NF 9NS 9NP 9NL

9ND 9NY 9NG 9NM 9NA 9NQ 9NT 9NC 9NB 9NH 9NV 9NK 9NR 9NE 9NJ

D8M D9K E4B E4H H3B H3H H6M )

41N3325

1

Y

4

CD-RW/DVD-ROM Combo Drive 48X/32X/48X/16X Max----nonvista/vista

(models CTO A6S A6P A6L A6D A6Y AAS AAP AAL AAD AAY 93U 93F 96K

96R 98U 98F 9CM 9DM 9FM D1U D1F 6AB 6AH 6BK 6DS 6DP 6DY 6HS 6HP

6HL 6HY F5S F5P F5L F5D F5Y F5B F5H F6F F7G D7U D7F D7S D7P D7L

D7D D7Y D7G D7M D7A D7Q D7T D7C D7B D7H D7V D7K D7R D7E D7J 6FU

6FF H1U H1F H2U H2F H4Q FCK 6NM 6PK E3A E3T E5G E6G)

42Y9353

1

Y

4

DVD-RW/CD-RW Rambo 7 - SATA (models CTO 91G 97S 97P 97L 97D 97Y

9AU 9AF 9BK 9BR 9GM D3U D3F D6S D6P D6L D6Y H7M H5G)

42Y6374

1

Y

4

DVD-RW/CD-RW Rambo 7 - SATA (models CTO 91G 97S 97P 97L 97D 97Y

9AU 9AF 9BK 9BR 9GM D3U D3F D6S D6P D6L D6Y H7M H5G)

42Y6373

1

Y

4

DVD Recorder Rambo 8 - SATA (models CTO)

43C1042

1

Y

5

Speaker/cable assembly (all models)

39K5012

1

Y

6

Rotating cage assembly (all models)

41N5324

2

Y

7

Bezel Kit (all models)

41N5322

1

Y

8

Front fan and bracket assembly (all models)

39M0585

2

Y

330

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

Lenovo ThinkCentre M55 Hardware Maintenance Manual - Page 336

Lenovo ThinkCentre M55 Manual

Page 336 highlights