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How can i fix the power supply in my computer

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If the power supply in your computer is dead or producing faulty voltages, it is best to replace it as it is not recommended you open and work on the power supply. Look for a label on your power supply that gives a model number and wattage outputs. Search online for a similar model and replace the whole thing. Buying a new power supply is probably cheaper than taking your computer in to a store to have it diagnosed. There are probably four screws on the back of your computer that hold the power supply in place. Make sure to power off the computer and disconnect all the power cables going from the power supply to the motherboard and drives first.

Posted on Sep 30, 2010

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Posted on Jan 02, 2017

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1 Answer

Computer won't turn on.


There must be a problem with your power switch on your computer casing, or motherboard or power supply.

Detach your power supply and try this, to check if your power supply really works. If the auxiliary fan will turn, your power supply is good
25627818-lfqggqo5gl3n2v4xynrvsb5u-5-0.jpg Testing your power supply and motherboard as seen on photo
25627818-lfqggqo5gl3n2v4xynrvsb5u-5-2.jpg If the cpu cooling fan and power supply did not turn the fan, but you have checked already the power supply that is working then you can conclude that your motherboard is need to be replace. But the power supply and motherboard and working, meaning to say your computer casing need to be replace or try fixing the contact of the switches attach to your casing.

Have a good day.

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Tip

How not to fix a power supply


If for some reason your computer's power supply fails, here are a few tips on what NOT to do!
  1. Don't Open it
  2. If you open it, DON'T TOUCH THE TALL ROUND THINGS
  3. If you want to know what those "Tall round things" are, they are capacitors.
  4. Power Supply capacitors hold their charge, for a very LONG time...
  5. Don't touch 'em, you'll die.
How to fix a computer power supply
  1. Take it out, don't open it, get a new one.

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1 Answer

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I do not have experience with the Acer Aspire 5600U, so I will write about such problems in general. A desktop computer that will not turn on usually has a bad power supply, assuming you've checked the power outlet, power cord to the computer, and the fuse in the power supply. Many computers and monitors built a few years ago have electrolytic capacitors in the power supply that go bad. You can identify a bad capacitor visually. It either leaks or the top of the capacitor is no longer flat but bulges. Desktop computers with bad power supplies commonly have two bad electrolytic capacitors that bulge on top. To fix the problem, you have to be comfortable unsoldering the bad part(s) and soldering in the replacement(s). You also have to be able to identify the specifications of the part(s) you need to replace. A Google search on replacing bad capacitors will give you lots of information, including a number of good YouTube videos. Alternatively, you can buy a replacement power supply.

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1 Answer

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You can install the power supply from another computer provided the wattage is equal to or greater than the original one.
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2 Answers

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Correct, the only step you can try is to reseat the memory chips. it should fix the problem. the power supply seems to be good here, as well as bad.
confused?
why good? becasue it is supplying the power to the computer and the only reason you see the light on the tower.
why bad? becasue the power supplied is not enough for the computer to start.
Now, the power is going to the motherboard, if you see any light on the motherboard the power supply is okay and then it became the duty of the motherboard to forward the power to all the components. so reseating the cables on the motherboard should fix the problem, most probably memory can cause such problems. so keep your fingures crossed and then restart the computer after you done resseating the memory and other cables, if it still doesnot work. then you may need to use the hit and trial method to find out if its a power supply or motherboard.
we normally replace both the parts in such cases.

all the best.

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try another cable. if that doesnt work then it has been damaged the plug in the power supply quick fix if the cable doenst fix it replace the power supply. u can find a 350 watt power supply on craigs list for 10-20 bucks. If you can handle replacing the power supply. If you want to try that and need help I can walk you thro it.

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1 Answer

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If your computer will not power on, no matter where you plug it up in the house, then it sounds like you have a blown power supply. If you can find a power supply (exactly like the one that's in there) then you should try replacing it with the one in your computer. If that fixes your problem then you know that's what was broken...the power supply inside the case.

Usually when a computer won't power on at all, it's because the power supply has gone out and must be replaced. If the power supply has gone out then there is nothing that you can do to get the computer back on except to replace the power supply. You might even be able to take it into a computer shop where they will diagnose at no charge...just to confirm whether it's the power supply.

Hope this helps...

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Computer power supplys are modular replacement fixes. Better to replace the whole thing then try to repair.

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Could be the power supply,Try changing the power supply

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