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After the computer automatically restarts, the ring drops ~~~ stops for a few seconds and sounds, what is going on?

  

After the computer automatically restarts, it will ring ~~~ stop for a few seconds and it will ring. What is going on?



Shutdown and disconnection Power
, disassemble and pull out the memory stick, use the student eraser to wipe the gold-plated fingers to remove the oxidation and then install the boot.





The hardware failure during the computer self-test, analyze the error according to the sound, and then deal with it.





Computer memory, graphic card
, etc. The gold fingers of the board may be a little oxidized, causing poor contact and opening the computer case. Remove it from the new one, use a rubber wipe to clean the gold finger (the metal piece at the board insertion), and then clean the dust inside the case.







It may be a hardware problem,





It is a memory problem. Unplug the memory and plug it back in to plug it in. It will start normally.





Shut down, the memory stick is unplugged.




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