Acer Aspire X1920, Service Manual

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60 Aspire AX1920 Service Guide
Beep Codes
When no error message is displayed but the computer stops during POST, listen for beep codes.
Boot Block Beep Codes
Number of Beeps Description
1 No media present. (Insert diskette in floppy drive A:)
2 ‘AMIBOOT.ROM’ file not found in root directory of diskette in A:
3 Insert next diskette if multiple diskettes are used for recovery
4 Flash Programming successful
5 File read error
7 No Flash EPROM detected
10 Flash Erase error
11 Flash Program error
12 ‘AMIBOOT.ROM’ file size error
13 BIOS ROM image mismatch (file layout does not match image present in flash device)
POST BIOS Beep Codes
Number of Beeps Description
1 Memory refresh timer error.
3 Base memory read/write test error
6 Keyboard controller BAT command failed
7 General exception error (processor exception interrupt error)
8 Display memory error (system video adapter)
Troubleshooting POST BIOS Beep Codes
Number of Beeps Description
1, 3 Reseat the memory, or replace with known good modules.
6, 7 Fatal error indicating a serious problem with the system. Consult your system
manufacturer. Before declaring the main beyond all hope, eliminate the possibility of
interference by a malfunctioning add-in card. Remove all expansion boards except the
video adapter.
• If beep codes are generated when all other expansion boards are absent, consult
your system manufacturer’s technical support.
• If beep codes are not generated when all other expansion boards are absent, one of
the add-in boards is causing the malfunction. Insert the boards back into the system
one at a time until the problem happens again. This will reveal the malfunctioning
board.
8 If the system video adapter is an add-in board, replace or reseat