Having problems with your Acer Aspire m5640 PC Desktop ?

Wont boot- no signal on screen after a few moments

\015 Power light works, fan works, dvd/cd drive appears to work, speakers turn on, only snooze light on different keyboard lights- no keys work though and no response from a different mouse. All connections secure.\015

Answers :

The problem is with your RAM. Dust it and re install it. It may work. If you cant get it fixed get your friends RAM and see if it is working. Check if you get any beep sound from the PC. If so the problem is with RAM and need to be changed. Thanks!
Repair Help & Product Troubleshooting for Acer Aspire m5640 PC Desktop

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