Test your PSU or replace it if your power supply units fan is not working your PSU is faulty One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect/ boot up a computer hard drive Test all leads that attach to your hard drive including electrical extensions,IDE,SATA the leads from your ((motherboard to your hard drive)) make sure they have a secure connection and are not faulty or just replace them there probably old and faulty hope this helps
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they are probably old and faulty a computer needs its connections to continue its cycle and have an end so any faulty leads will end up with a computer error
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Does it beep at all?
Does any video appear on the screen?
How long does it stay on before shutting down?
Thank you but my PSU is working alright
It doesnt beep its just some 1 minute and it turns off
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