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Acer Aspire 5535 Aspire 5235 / 5535 Service Guide - Page 92

Removing the Modem Board

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20. Carefully pry loose and remove the touch pad board. WARNING:The touchpad board is glued to the upper case, only remove the touchpad board if it is defective. Removing the Modem Board 1. See "Removing the Battery Pack" on page 50. 2. See "Removing the SD dummy card" on page 51. 3. See "Removing the ExpressCard dummy card" on page 51. 4. See "Removing the Lower Cover" on page 52. 5. See "Removing the DIMM" on page 53. 6. See "Removing the WLAN Board Modules" on page 54. 7. See "Removing the Hard Disk Drive Module" on page 56. 8. See "Removing the Optical Drive Module" on page 58. 9. See "Removing the Middle Cover" on page 62. 10. See "Removing the Keyboard" on page 63. 11. See "Removing the Heatsink Fan Module" on page 64. 12. See "Removing the CPU Heatsink Module" on page 65. 80 Chapter 3

Section	Page
Aspire 5525/5235 Service Guide	1
System Specifications	11
Features	11
System Block Diagram	13
Your Acer Notebook tour	14
Front View	14
Closed Front View	15
Left View	16
Right View	16
Rear View	17
Bottom View	18
Indicators	19
Easy-Launch Buttons	19
Touchpad basics (with two-click buttons)	20
Using the Keyboard	21
Lock Keys and embedded numeric keypad	21
Windows Keys	22
Hot Keys	23
Special Key (only for certain models)	24
Acer Empowering Technology	25
Launching Acer Empowering Technology	25
Empowering Technology password	26
Acer eAudio Management (only for certain models)	27
Acer ePower Management	28
Acer eDataSecurity Management (only for certain models)	29
Acer eRecovery Management	30
Acer eSettings Management	32
Windows Mobility Center	33
Using the System Utilities	34
Acer GridVista (dual-display compatible)	34
Hardware Specifications and Configurations	36
System Utilities	45
BIOS Setup Utility	45
Navigating the BIOS Utility	46
Information	47
Main	48
Security	50
Boot	54
Exit	55
BIOS Flash Utility	56
Remove HDD/BIOS Utility	57
Machine Disassembly and Replacement	59
Disassembly Requirements	59
General Information	60
Pre-disassembly Instructions	60
Disassembly Process	60
External Module Disassembly Process	61
External Modules Disassembly Flowchart	61
Removing the Battery Pack	62
Removing the SD dummy card	63
Removing the ExpressCard dummy card	63
Removing the Lower Cover	64
Removing the DIMM	65
Removing the WLAN Board Modules	66
Removing the Hard Disk Drive Module	68
Removing the Optical Drive Module	70
Main Unit Disassembly Process	73
Main Unit Disassembly Flowchart	73
Removing the Middle Cover	74
Removing the Keyboard	75
Removing the Heatsink Fan Module	76
Removing the CPU Heatsink Module	77
Removing the CPU	78
Removing the LCD Module	79
Separating the Upper Case from the Lower Case	82
Removing the LED Board	85
Removing the Speaker Module	87
Removing the Touchpad Module	89
Removing the Modem Board	92
Removing the Main Board	94
Removing the USB Board Module	96
Removing the Bluetooth Modules	98
LCD Module Disassembly Process	99
LCD Module Disassembly Flowchart	99
Removing the LCD Bezel	100
Removing the LCD panel with the Brackets	101
Removing the Inverter Board and FPC Cable	102
Removing the LCD Brackets	105
Removing the Antennas	106
Removing the Web Camera	107
Troubleshooting	109
System Check Procedures	110
External Diskette Drive Check	110
External CD-ROM Drive Check	110
Keyboard or Auxiliary Input Device Check	110
Memory Check	111
Power System Check	111
Touchpad Check	113
Power-On Self-Test (POST) Error Message	114
Index of Error Messages	115
Phoenix BIOS Beep Codes	118
Index of Symptom-to-FRU Error Message	123
Intermittent Problems	127
Undetermined Problems	128
Jumper and Connector Locations	129
Top and Bottom View	129
Clearing Password Check and BIOS Recovery	131
Clearing Password Check	131
BIOS Recovery by Crisis Disk	132
FRU (Field Replaceable Unit) List	133
Aspire 5235/5535 Series Exploded Diagram	134
Model Definition and Configuration	148
Aspire 5235/5535 Series	148
Test Compatible Components	149
Microsoft® Windows® Vista Environment Test	150
Online Support Information	153

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