Acer Aspire X3400 Acer Aspire X3400, X3400G Desktop Service Guide - Page 67
Troubleshooting POST BIOS Beep Codes, Number of Beeps, Description - motherboard
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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 motherboard beyond all hope, eliminate the possibility of interference by a malfunctioning add-in card. Remove all expansion cards except the video adapter. If beep codes are generated when all other expansion cards are absent, consult your system manufacturer's technical support. If beep codes are not generated when all other expansion cards are absent, one of the add-in cards is causing the malfunction. Insert the cards back into the system one at a time until the problem happens again. This will reveal the malfunctioning card. 8 If the system video adapter is an add-in card, replace or reseat the video adapter. If the video adapter is an integrated part of the system board, the board may be faulty. Chapter 4 59