Acer 4050 User Manual download pdf (Page 56)

Chapter 3 49

11. Remove the 10 screws to release the lower case.

12. Remove the 3 screws located at the upper case.

13. Disconnect the touchpad FPC from the mainboard.

14. Disconnect the speaker cable.

15. Then detach the upper case assembly.

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 89 90

TravelMate 4050 1
Revision History 2
Copyright 3
Disclaimer 3
Conventions 4
Table of Contents 6
System Specifications 8
System Block Diagram 11
Mainboard Placement 12
Bottom View 13
U35 CarBus Controller U37 EC 13
Outlook View 14
Chapter 1 9 16
10 Chapter 1 17
Chapter 1 11 18
12 Chapter 1 19
Indicators 20
Lock Keys 21
Embedded Numeric Keypad 22
Windows Keys 23
Hot Keys 24
The Euro Symbol 25
Launch Keys 26
Touchpad 27
Chapter 1 23 30
Hard Disc Drive Interface 30
Combo Drive Interface 30
24 Chapter 1 31
DVD-ROM Interface 31
Chapter 1 25 32
DVD Dual Interface 32
Audio Interface 32
26 Chapter 1 33
Video Interface 33
Parallel Port 33
USB Port 33
PCMCIA Port 33
Chapter 1 27 34
System Board Major Chips 34
Keyboard 34
Battery 34
LCD : 14.0” /15.0” 34
28 Chapter 1 35
AC Adapter 35
°C (storage package) 36
30 Chapter 1 37
Mechanical Specification 37
System Utilities 38
32 Chapter 2 39
Chapter 2 33 40
LPT Port 42
Legacy USB Support 43
Parameter Description 46
BIOS Flash Utility 47
Chapter 3 48
General Information 49
Removing the Battery Pack 50
Removing the HDD Module 51
Removing the ODD Module 51
Removing the Memory 51
Removing the Keyboard 52
Removing the LCD module 53
Disassembling the Main Unit 54
Disassembling the HDD Module 58
Troubleshooting 59
Memory Check 60
Power System Check 60
Check the Power Adapter 61
Touchpad Check 62
Display Check 62
Sound Check 63
Chapter 4 58 65
“PARITY ERROR AT 65
LOCATION” 65
59 Chapter 4 66
LCD-Related Symptoms 66
Indicator-Related Symptoms 66
Power-Related Symptoms 66
Chapter 4 60 67
PCMCIA-Related Symptoms 67
Memory-Related Symptoms 67
Speaker-Related Symptoms 67
Undetermined Problems 69
Top View 70
Chapter 5 70
Chapter 5 65 72
Chapter 6 73
Exploded Diagram 74
Chapter 6 68 75
69 Chapter 6 76
Chapter 6 70 77
TOUCHPAD SUPPORT 77
BRACKET 77
71 Chapter 6 78
Chapter 6 72 79
KEYBOARD 80
Chapter 6 74 81
75 Chapter 6 82
Chapter 6 76 83
77 Chapter 6 84
Chapter 6 78 85
Appendix A 86
Test Compatible Components 87
Online Support Information 90

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Acer 4050 User Manual Page 56

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