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ThinkPad 755 Series
IBM ThinkPad 755 Series User Manual
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2055
DIMM
and
DIMM
Adapter
(755C,
755Cs)
Battery
Pack
(2020)
Diskette
Drive
(2030)
Press
both
locks
at
the
same
time
and
remove
the
DIMM.
While
holding
the
strap
▌1▐
,
pull
the
DIMM
adapter
toward
the
front
▌2▐
to
remove
it.
2
1
ThinkPad
355x,
360x,
370C,
750x,
755C,
755Cs
269
278
280
Table of Contents
Section 1
9
Table of Contents
9
Drive and Diskette Compatibility Matrix
14
Important Service Information
15
Safety Notices (Multi-Lingual Translations)
17
Safety Information
24
Laser Compliance Statement
29
Screw Size Chart
30
Thinkpad 340X (IBM 2610)
33
General Checkout
35
Symptom-To-FRU Index
44
Related Service Procedures
53
Product Overview
58
FRU Removals and Replacements
59
Locations
69
Parts Listing
72
Product Overview
77
FRU Removals and Replacements
77
Locations
77
General Checkout
78
Symptom-To-FRU Index
92
Related Service Procedures
104
Product Overview
112
FRU Removals and Replacements
114
Locations
120
Parts Listing
200
Trackpoint II Checkout
205
Section 2
206
1030 Diskette Drive
249
1035 Hard Disk Drive
250
1040 Keyboard Unit
251
1050 IC DRAM Card
254
1055 Diskette Drive Bezel
254
1060 Status Indicator
255
1070 LCD Assembly
257
1080 Modem Card (355X)
259
1085 Bezel (360X)
259
1090 Speaker Shield Assembly
263
1095 Interposer Card
263
1110 Backup Battery
266
1115 Standby Battery
266
1120 System Board Assembly
267
1130 PCMCIA Slot Assembly
269
Removals Models 370C, 750X, 755C, 755Cs
271
2010 Rear Connector Door
271
2015 Foot
271
2020 Battery Pack
272
2030 Diskette Drive
273
2035 Hard Disk Drive
274
2040 Keyboard Unit
275
2050 IC DRAM Card
278
2055 DIMM and DIMM Adapter (755C, 755Cs)
279
2056 Diskette Drive Bezel
281
2060 Status Indicator
282
2070 LCD Assembly
284
2080 Speaker Shield Assembly
287
2085 Audio Card
290
2090 Interposer Card
290
2110 Backup Battery
292
2105 Standby Battery
292
2120 System Board Assembly
294
2140 Processor Card (750Ce, 755C, 755Cs)
297
Locations
299
System - Front View
299
System Front View - (750P, 360P, 360PE)
300
System Rear View - All Models
301
System Board (Top View)
302
System Board (Bottom View)
303
Processor Card (370C, 750Ce, 755C, 755Cs)
304
DC/DC Card - Top View
304
Interposer Card - All Models (Front View)
305
Parts Listing
306
Models 350X, 360X
306
Model 370C
310
Model 750X
313
Models 755C and 755Cs
317
Common/Option Parts List
320
Thinkpad 755Cd, 755Cdv (9545)
325
Thinkpad 755CD, 755CDV
327
General Checkout
403
Memory Checkout
403
System Board and Processor Card Checkout
405
Keyboard/Auxiliary Input Device Checkout
406
Trackpoint III Checkout
406
Diskette Drive Test
407
Power Systems Checkout
408
Power Management Features
415
Symptom-To-FRU Index
418
Numeric Error Codes
418
FRU Codes
421
Beep Symptoms
422
No Beep Symptoms
423
LCD Related Symptoms
423
Model 755CDV Symptoms
424
Keyboard/Trackpoint III Related Symptoms
426
Indicator Related Symptoms
426
Power Related Symptoms
426
Function/Audio Related Symptoms
427
Peripheral Device Related Symptoms
427
Other Symptoms
428
Infrared Related Symptoms
428
Intermittent Problems
428
Undetermined Problems
429
Status Indicators
430
How to Run the Diagnostics
431
Error Log
431
Reset Pushbutton
432
Checking the Installed Devices List
432
Password Combinations (POP, HDP, PAP)
432
How to Run the Low Level Format
433
PC Test Card LED
433
How to Run the Keyboard Diagnostics
434
Locations
468
Front View
468
Rear View
469
Parts Listing
470
Common/Option Parts List
474
External Diskette Drive Test
480
External Display Self-Test
480
External Keyboard/Auxiliary Input Device Checkout
481
Fax/Modem Checkout
482
Printer Checkout
484
Port Replicator Checkout
485
Trackpoint II Checkout
486
TV Tuner
487
Identifying Names and Functions
487
Using the Front Panel
488
Troubleshooting
491
4
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IBM ThinkPad 755 Series Specifications
General
Brand
IBM
Model
ThinkPad 755 Series
Category
Laptop
Language
English
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