What is the reason for the beeping sound when the computer is turned on?

The "didi" sound when the computer is turned on is the BIOS alarm sound. The corresponding alarm sound means the following reasons:

1. 1 short: The system starts normally, indicating that the machine There is no problem;

2, 2 short: There is a problem with the general settings, please enter CMOS Setup and reset the incorrect options;

3, 1 long 1 short: RAM or motherboard error, Try another memory, if it still doesn't work, you have to replace the motherboard;

4, 1 long and 2 short: the monitor or display card is wrong, check the graphics card and monitor;

5, 1 long and 3 short: : Keyboard controller error, check the motherboard, contact the merchant;

6, 1 long 9 short: The motherboard Flash RAM or EPROM error, the BIOS is damaged, contact the merchant and try another Flash RAM.

7. Continuous beeping (long beep): There is a problem with either Memory or VGA, the memory module is not tightly plugged in or is damaged;

8. Continuous alarm: The power supply, monitor is not connected to the graphics card Connect well and check all plugs;

9. Repeated short beeps: power problem.

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