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Solved: Power Switch won't Work

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p_trice's Avatar
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18-Nov-2009, 07:27 PM #1
Solved: Power Switch won't Work
I have an old pc case that I would like to get running again. The problem is that I put a newer motherboard in it and the wires from the old power switch in the case don't match up to the pins on the newer motherboard. Is there anything that I can do about this without buying a new case?
kiwiguy's Avatar
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18-Nov-2009, 07:36 PM #2
The problem may be with the Power Supply, in that it is an older type. A new Power supply would probably be required, I suspect.
p_trice's Avatar
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18-Nov-2009, 08:06 PM #3
I put a new power supply in it too. The only thing that is old is the case and the power buttion on the front of if which hooks to the motherboard
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18-Nov-2009, 08:37 PM #4
What do you mean they don't match up? You could try running a screwdriver across each set of 2 pins with everything on until you see some life and find the right 2 to attach the jumper wire to.

Last edited by Rich-M; 18-Nov-2009 at 09:28 PM..
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18-Nov-2009, 08:59 PM #5
what he means is the power switch on the case has the wires all connected together in a solid block, unlike most new cases where each wire has its own lead that can be plugged into the mobo in the correct order and the older power switch on the case has them all connected in a solid block so the leads going to the power switch on the case dont match up to the pins on the new mobo for the power switch spot am I correct?

You could try cutting them apart with a utility knife if you have the time and want to try, or if you have a computer repair shop nearby you could see if they would give you a new power switch were each lead is individual allow you to connect them to the right pins on the mobo, then simply jerry-rig the new power switch to the case.

Wont be pretty but it would work. We used to do it when I worked at a computer repair shop so we could quickly hook up a power switch to a mobo and fire up the board without having to drop it into a case and everything.
p_trice's Avatar
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18-Nov-2009, 09:22 PM #6
yes, you are correct about the problem, but when I look at the power button wires, there is no way to tell which wire is which. If I sit and (expirement) with each wire to find out what it is I may end up frying the motherboard. I thought there was a way to touch two of the pins together and (jump) the motherboard and turn it on. Then to turn it off you just unplug it.
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18-Nov-2009, 09:29 PM #7
Quote:
. I thought there was a way to touch two of the pins together and (jump) the motherboard and turn it on. Then to turn it off you just unplug it.
That is what I was suggesting but just to find the right jumpers certainly not to use all the time to turn on and off. You do realize you can buy cases for as little as $30 that will work just fine?
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18-Nov-2009, 09:36 PM #8
if you want to know which pin is which look back at the old mobo the switch was connected to and each pin should have been labeled on the mobo just make note of which pin was which cut them apart and you will know where to put them on the new mobo.

Or look up a manual for the old motherboard should somewhere in it tell you which pin goes where and then you can tell cut them apart and put them on the new mobo or like rich-m said you can buy a new case.
p_trice's Avatar
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18-Nov-2009, 09:40 PM #9
Do you know which two pins that I need to touch together to get it to turn on?
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18-Nov-2009, 10:12 PM #10
http://forums.cnet.com/5208-7591_102...hreadID=147765

That may help you not sure though, does your power button also have the reset switch in with it?

I dont remember off the top of my head which two provide the power looking in your manual should tell you or give you a hint. Been like 3 years since if had to do it that way
p_trice's Avatar
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18-Nov-2009, 10:19 PM #11
the computer case does not have a reset button, but the motherboard seems to have a pair of pins within the 9 pins that go to a reset button. And that forum is referring to an older motherboard, mine is newer.
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18-Nov-2009, 10:50 PM #12
It may be referring to an older mobo but the process should still be much the same, although I think looking at the manual for the old mobo you had and the new one you have would be the fastest way.
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18-Nov-2009, 11:08 PM #13
I don't have the manual for either mobo, but I was just messing around with the mobo and I guessed which pins to jump and I was right. The old case is up and running as we speak. I guess I'll just have to jump the pins everytime I wan't to turn it on. The side panel comes off easily so this should not be much of a problem.
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18-Nov-2009, 11:17 PM #14
you can try finding the manuals online they will explain it, or visit a local computer repair shop and see if they have a power switch with individual leads you can get for like 5$
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18-Nov-2009, 11:17 PM #15
power
Invest in a case. Thats a hell of a way to power up a PC every time.Wouldnt want to start a car that way.
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