I received an eMachine T2865 desktop computer from a relative and she said she checked her email then powered the computer off and unplugged it all and put it in bags and gave it to me. I got it and plugged everything in to the back plugged and then hit the power button on the front panel and nothing happened. I can plug it into an outlet and then depending on which setting the switch is on 115V or 230V there comes a humming noise from the power box. 115V the humming is higher pitched and 230V a lower pitched hum. I took out and removed the cover but everything looks in place. My problem is every think look fine and like it should run but nothing does none of the fans will spin and none of the LEDs will illuminate. If I plug in an USB device they will not power on either. So in short when I plug the computer into the wall outlet nothing happens no lights no fans no real sound except the humming from the box that the power cord plugs into, no sounds from any of the drives. What is wrong? How can I fix it? How much will it cost me?
Sounds like the power supply is faulty. Power supplies are very dangerous to try and repair, even for qualified technicians. I would also suggest not trying to plug it in or turn it on until the new power supply is in place. Faulty power supplies have been known to cause motherboards to permanently malfunction. Note: researching your issue, I came across several forum posts with complaints about emachines and their power supplies. The best way to solve this problem is to purchase a new power supply. If shopping online, www.tigerdirect.com and www.newegg.com are two places that specialize in PC hardware. A 400-watt power supply would probably more than do the trick for you. The cheapest one I found was $18.00. Make sure the power supply is compatible with your motherboard before you buy.
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 they could be faulty
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 could
be 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 hope this helps
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