Справочник Пользователя для Acer Altos R520

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 5 Troubleshooting
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Troubleshooting BIOS POST error beep codes
The following table lists the possible beep codes thay may occur while 
using the system and is followed by solutions to the situation. 
Number 
of beeps
Troubleshooting action
1, 2, or 3
• Make sure the memory modules are properly seated on the 
DIMM slots.
• Make sure the memory modules comply with the system 
requirements.
• Make sure the memory modules have been populated 
according to the system requirements. 
4-7, 9-11
• Indicates a fatal error. Consult your dealer or local Acer 
representative for assistance. 
• If beep codes are generated even when all PCI cards are 
absent, consult your system manufacturer’s technical 
support.
• Check for a malfunctioning expansion card. If beep codes 
are not generated when all expansion cards are absent, one 
of the expansion cards is causing the malfunction. Insert 
the cards back into the system, booting the system between 
each card addition, until the beeps occur again to reveal 
the malfunctioning card. 
8
• Make sure the video adapter is properly seated on the 
expansion slot. 
• If the video adapter is an integrated part of the mainboard, 
the board may be faulty.