Question about Sony VAIO PCV-W500GN1 PC Desktop

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Computer just turnoff suddenly

I got this Sony PCV-W500GN1 desktop for 6 years. If I turn it on, it makes a noise like its exerting effort. Likewise it doesn't stay long after I turn it on it just suddenly turn off by itself. I can't turn it on again unless I unplugged the power chord from the power supply outlet. I want to open the casing to see what's wrong inside but it's so closely packed that I can't figure out how to do it. I would appreciate any help you could offer to help me with this problem.

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Could be one of two most common problems?
#1
Have you ever replaced the CPU Cooler (Heatsink/fan)?
CPU Cooler fan may be working, Heatsink dirty.
CPU is over-heating = mainboard turns off
Replace CPU Cooler
#2
Power Supply fan not working causing partial failure on 5volt or 12volt side.
Replace Power Supply

There are more causes but these are most common for short-time boot problems.
Another could be hard-drive, but that wouldn't shut system down like first two would.

Posted on Apr 04, 2010

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6ya6ya

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Posted on Jan 02, 2017

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Try this website and download Important Notes During the installation of this file, be sure that you are logged in as the Administrator or as a user with Administrative rights. To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding. It is highly recommended to print out these instructions as a reference during the installation process. or Download manual repair (Click here) for SONY PCV-W500GN1
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The only suggestion useful to you would be to unplug all the wire from the back of the unit. Wait 3 minutes or so and then plug them back in.

If your audio is hooked into your monitor then no picture and sound might be just be your montior (if the lights on the computer stay on). Hit the CD eject button on your computer after giving your computer a chance to boot up. If it has power then for sure it has to be your monitor.

Otherwise the problem will be in the powersupply or the motherboard. Hope this helps. Best Regards, -md

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Check to make sure no dust has accumulated in the vents. You may need to carefully open up your computer, and use a can of air to clean out dust on the components. Be aware static electricity can destroy pats of your computer. Make sure you ground yourself by touching a piece of metal before opening the computer case. You don't need to touch anything in there, however. Just carefully use the canned air to clean things out.

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Hi Patrick,

How did you get on with those tests ? Any joy ?

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