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Dell Inspiron 530 wouldn't start, - please help me fix it

vogol 1,045 142 February 6, 2012 at 07:58 AM
This Inspiron 530 medium tower is a couple of year's old desktop. Everything was fine, running without any issue, until last week when the switch on/off button does not turn the computer on at all, nothing happens at all, only click sound. A couple of days later, the switch worked all on a sudden. Being worried, we didn't turn it off since then, but the power failur later turned the machine off again, and wouldn't start since then. I opened up, saw the inside orange light lit when power plug is connected, so is the backside green light, thereby, seems the motherboard is ok. opened the front switch area, tried to turn on with bare finger on the switch, it clicks but nothing happened. Is it now a simple switch problem to replace, or a power supply problem, or what; the mother board seems to me ok with those lights turn on. please help me solve this problem. Thanks for your help.

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#2
I can't say for sure what it is, but to jump the actual switch, there is a place on the mobo where the switch wire hooks up.
It is tiny, black, has two tiny holes, often has lettering on it, like "POWER" or "POWER SW".
If you remove it and take any metal object to short the two pins that it normally connects to, the puter would normally boot up, if nothing else is wrong.
There is no need to keep those pins shorted. You only need to touch them and that turns the PC on.
(see attachments)
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If you're on this ignore list, vivahate, sd44, cav, charles052, frogstar, godfather927 don't bother quoting me
Joined Dec 2007
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#3
Quote from RockySosua View Post :
I can't say for sure what it is, but to jump the actual switch, there is a place on the mobo where the switch wire hooks up.
It is tiny, black, has two tiny holes, often has lettering on it, like "POWER" or "POWER SW".
If you remove it and take any metal object to short the two pins that it normally connects to, the puter would normally boot up, if nothing else is wrong.
There is no need to keep those pins shorted. You only need to touch them and that turns the PC on.
(see attachments)
Thanks a lot, I'll give it a try tomorrow. To make sure, did you say I remove the hooks up, then shorten the pins where the hooks up were attached to, then if it starts I put the hooks up back to their place...
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BikerBikerBikerBikerBiker
#4
Quote from vogol View Post :
Thanks a lot, I'll give it a try tomorrow. To make sure, did you say I remove the hooks up, then shorten the pins where the hooks up were attached to, then if it starts I put the hooks up back to their place...
I didn't explain that well. When I said to short the pins, I meant to cause a short circuit, not to actually 'shorten' them.
So here are more detailed instructions.
The first thing is to locate the connectors for the power switch. When you remove the side cover of your PC, you will find them on the motherboard, generally near a corner and near the edge. They will be at the bottom of the motherboard and closest to the front. There are usually 8 or 9 pins that will have 4 or 5 small black plastic connectors attached to them. The black connectors just push down to make the connection, so you need only pull them off to access the pins that need to be shorted out.
Remember where each one goes, so that you can replace them after. One of the connectors will be labelled as "POWER SW'. That is the one that turns the computer on. If you take a small metal object approx 1/4 inch wide, and touch the two pins that the POWER SW connector goes to, that will signal the main power supply to turn the computer on. You do not need to hold the metal object in place for any period of time. One touch will be enough and you will immediately see the fans start up and the computer will start to boot up.
None of the other connectors in that group are critical. 2 of them are just for tiny LED lights, an other is for the reset switch for when you want to shut down and reboot, and finally the last one, the POWER SW which is just for turning the computer on, so even if you remove them all, you will be able to start the computer by shorting out the two correct pins. As long as you do not touch anything else in the box with the metal device, there will be no problem. You can touch any or all the pins without causing damage, so there is no danger.
If you cannot turn on the computer by shorting out those pins, then something else is wrong, so you would put the connectors back in place and post here to let us know, so that we can tell you what the other possibilities are, that can cause a computer to not turn on.
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Last edited by RockySosua February 7, 2012 at 01:56 AM
#5
I remember I picked up a HP SFF P4 desktop in 2010 from the dump. Everything was working fine (and still is) except the power switch on the front panel was jammed. It's funny that the manufacturer cut costs on everything but a <$1 plastic button part can make such a big difference (between a working machine and one that ends up in the dump).

Of course it might not be the case here at all especially there is a clicking sound (hopefully it's from the power switch not the harddrive or something else).
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