Power button t3958

That can be fixed. Replacements are widely available eg

http://www.ebay.com.au/itm/New-PC-Computer-Desktop-ATX-Power-On-Supply-Reset-Switch-Connector-Cable-Cord-/190601599096?pt=AU_CablesConnectors&hash=item2c60bd9878&_uhb=1

It is a bit more difficult if your power switch happens to be mounted on a circuit board, but a new one can be soldered on. If unsure, take it to a PC tech.

The green light just show that the motherboard is getting power.
The power button of the front of the case is connected to the mother board, not to the power supply, usually in the extreme lower left corner along with the with the HDD and Reset Button cords; Power button wire are labeled and usually red/black.
If all wired correctly, possible bad or stuck power button or reset button.
Hope this helps.
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The green light means there is standby power to the motherboard.
Power button may be broken, does it 'click'?
With the case open, do any of the fans start, then stop?
If yes to the above, you may have a bad power supply. Can you borrow one to try?
Last test before it's the chip or mother board:
Remove the connectors for power from drives, video card, all but the motherboard (Do NOT disconnect small connectors on the motherboard, just POWER from the drives and video card)
Remove any expansion cards except video. Note where they go.
Try again. If it starts and fans run ok (video may not work but fans go normally.), shut it off, reconnect the video card. Try again, power off, connect or install one thing at a time until it stops running again. The last item plugged in is the culprit.
Always one item, power on, try it, then power off, try the next one.

sounds like a mother board issue,

start with pulling out all ram chips and re try,,

then try pulling all cards out like old modem and also cdroms.

if ever thing but power is unpluged its a bad mother board or CPU chip

Your power supply has gone out. This could have been caused by a surege, dust or bad power outlet.

You can purchase a replacement off eBay for under $25.00.

Turn off the computer. Then go ahead and open up the side door. You will see a white power connector connected to the cd drive. Remove the power connector and then reseat it back into the cd drive.

Then go ahead and turn on the computer, then press the button to the cd drive. The drive door should open. If it doesn't then the drive is bad and would need to be replaced.

open it up and turn it on that way.

check that the switch on the power supply has not been accidentally bumped.

It should be on the - side... not the o side.


There could be a variety of other problems including the power switch.

Possible reasons a PC will not power up:

Failed Power Button.
Power strip breaker tripped - are there other items plugged in that work?
Failed memory Module.
Failed CPU.
Failed CPU Cooling fan.
Failed power supply.

You will need to test each item with a Digital Multi Meter (DMM) and verify 12VDC at each item. CPU and Memory can only be tested externally by a shop with a reader.

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to upgrade a motherboard... you would need to replace it with another one, on a motherboard you can upgrade memory, cpu, video card, hard drive, parts that are connected to it, but you don't really upgrade the motherboard itself..

try to reseat the power cable of the computer and power it on again