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Acer Aspire 6920 Acer Aspire 6920 / 6920G Notebook Service Guide - Page 87

No beep Error Messages, FRU/Action in Sequence, Reconnect the DIMM. - inverter

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Error Message List No beep Error Messages FRU/Action in Sequence No beep, power-on indicator turns off and LCD is blank. Power source (battery pack and power adapter). See "Power System Check" on page 81.. Ensure every connector is connected tightly and correctly. Reconnect the DIMM. LED board. System board. No beep, power-on indicator turns on and LCD is blank. Power source (battery pack and power adapter). See "Power System Check" on page 81.. Reconnect the LCD connector Hard disk drive LCD inverter ID LCD cable LCD Inverter LCD System board No beep, power-on indicator turns on and LCD is blank. But you can see POST on an external CRT. Reconnect the LCD connectors. LCD inverter ID LCD cable LCD inverter LCD System board No beep, power-on indicator turns on and a blinking cursor shown on LCD during POST. Ensure every connector is connected tightly and correctly. System board No beep during POST but system runs correctly. Speaker System board Chapter 4 87

Section	Page
Features	7
Platform and memroy	7
Display and graphics	7
TV-tuner	7
Audio	7
Storage subsystem	8
Input devices	8
Communication	8
I/O Ports	8
Environment	9
System Block Diagram	10
Board Layout	11
Your Acer Notebook tour	13
Closed Front View	14
Left View	15
Right View	16
Base view	18
Indicators	19
Easy-Launch Buttons	19
Touchpad Basics	20
Move your finger across the touchpad (2) to move the cursor.	21
Using the Keyboard	22
Lock Keys and embedded numeric keypad	22
Windows Keys	23
Hot Keys	23
Special Key	24
Acer Empowering Technology	26
Acer eAudio Management	27
Acer ePower Management	28
Acer eDataSecurity Management	29
(for selected models)	29
Using the System Utilities	35
Acer GridVista (dual-display compatible)	35
Launch Manager	36
Hardware Specifications and Configurations	37
Video Memory	42
BIOS Setup Utility	47
Invoking BIOS Setup	48
Information	49
Main	51
Advanced	53
Security	54
Boot	58
Exit	59
BIOS Flash Utility	60
Remove HDD password Utility	61
1. Key in “unlock6 error code 205”	61
2. Select “2”	61
3. Choose one HDD password	61
General Information	64
Before You Begin	64
Disassembly Procedure Flowchart	65
Removing the Battery Pack	67
Removing the HDD/Memory Module/Wireless LAN Card/TV Tuner Card/ System Fan/Thermal Modules/CPU	68
Removing the HDD	68
Removing the Wireless Cover & RAM Module	68
Removing the Wireless LAN Card/TV Tunder Card and System Fan	68
Removing the Thermal Modules and the CPU	70
Removing the ODD and Dummy cards	71
Removing the Hinge cover	71
Removing the BTCB screws	72
Disassembling the Main Unit	73
Disassembling the LED boards	74
Remove I/O baord and Main Board.	75
Disassembly LCM module	76
Disassembling the External Modules	78
Disassembling the HDD Module	78
Disassembling the ODD Module	78
System Check Procedures	80
External Diskette Drive Check	80
External CD-ROM Drive Check	80
Keyboard or Auxiliary Input Device Check	80
Memory check	81
Power System Check	81
Touchpad Check	83
Power-On Self-Test (POST) Error Message	84
Index of Error Messages	85
Phoenix BIOS Beep Codes	88
Index of Symptom-to-FRU Error Message	92
Intermittent Problems	95
Undetermined Problems	96
Bottom View	98
Aspire6920 Exploded Diagram	102

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