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Rafy_55 Student
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My computer turns on then automatically turns off

HP 21-2000 All-in-One Desktop
Microsoft Windows 8.1 (32-bit)
Hi guys, I need some help. I computer won't turn on. It turns on for 5 seconds then nothing. The fans turn on then off. The product number is J4W33AA#ABA.
My computer is a HP 21-2000 All-in-One Desktop PC series. I cleaned the fan already and the inside of the computer and I don't know what's wrong. If I could get help as soon as possible that would be great. Thank you
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Regents Professor
Regents Professor
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My computer turns on then automatically turns off

Hello

 

Will try to give some guidance on your issue.

 

This symptom can be caused by the following components:

 

1. Power Supply

2. Motherboard/Processor

3.RAM

 

Start with RAM. Pull the RAM modules (if more than one RAM module), then reboot your PC and try one module at a time in each slot.

 

Replace the external power supply.

 

No fix to problem probably means the motherboard is in trouble. 

 

It would not hurt to replace the motherboard (usually a CR2032) battery in the troubleshooting process.

 

Grzy

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