People who know computers call for help, are there anyone who understands computers? Ask for help.

Hardware failure, you have to talk about what the alarm sound looks like first.

A short system boots up normally.

Second, the short CMOS is set incorrectly.Resetting CMOS to one long and one short Memory (memory) error .Make sure the memory module is plugged in, and replace one with one long and two short The graphics card is wrong or the monitor is connected incorrectly. Confirm that the graphics card is plugged in and that the monitor is connected correctly.

One long and three short keyboard errors or non-existent...Check the keyboard connection for one long and nine short Read Only Memory (BIOS) errors...Update or replace the BIOS long sound persistent memory (memory) does not exist ...

Check whether the memory module is plugged in properly, and replace the memory module with a short sound and continuous power supply** There is a problem. Replace the power supply.

What exactly is the alarm sound?

Award BIOS's Motherboard Failure Warning Form.

1 Short: The system boots normally.

1 Long 1 Short: There is an error in the memory or motherboard.

1 long and 2 short: The monitor or graphics card is wrong.

1 Long 3 Short: Keyboard controller error.

1 long 9 short: The motherboard BIOS is damaged.

Constant ringing (with long, intermittent sounds): The memory module is not plugged in tightly or damaged.

Keeps ringing: The power supply and monitor are not properly connected to the graphics card. Check all the connectors.

Repeated, short ring: There is a problem with the power supply.

Motherboard Failure Warning Sheet for AMI BIOS.

1 Short: The memory refresh failed.

3. Short: The basic memory of the system (the first 64KB) fails to be checked, and the memory needs to be replaced.

4 Short: The system clock is wrong.

5 Short: Processor (CPU) error.

6 Short: Keyboard controller error.

7 Short: The system is in real mode and cannot be switched to protected mode.

8 Short: Displays a memory error.

9 Short: BIOS test error.

1 long and 3 short: memory error.

1 long 8 short: the display test is wrong, the display data cable is not plugged in well or the graphics card is not plugged in firmly.

Open the case and plug the memory module back in.

Memory or graphics card, reinsert it.

Problems with memory or graphics card, rule out problems elsewhere.

Unplug the memory and graphics card and clean it with a toothbrush or something, and then wipe the gold finger with an eraser or something, which is the golden interface, and then plug it back in, and then turn it on, if you can't turn on the machine, one of the components is broken.

If the motherboard has an LED error correction light, you will know the problem according to the instructions.

It should be a memory issue, and I have had this problem with my computer. Just plug the memory back in and you're done.

Open the case to see if there is any loose place, there should be no problem if it is plugged in tightly!!

There are several workarounds for the black screen:

1。Try to boot up, after the computer brand is out, press F8, Enter, Enter, Enter Safe Mode, Advanced Boot Options, Last Correct Configuration, Enter, Enter, Press to Try!

2。Enter safe mode, start normally, press enter, go to the desktop, and use antivirus to kill the whole disk!

3。Use: Defender conducts a comprehensive physical examination of the computer, detects and kills the Trojan horse, and repairs the computer.

4。Unplug the graphics card and memory sticks, erase them, use a brush again, clean the slots of dust and fans, replace the memory slots, and more!

6。If you still can't turn it on, you need to "one-click restore" or "reinstall the system"!