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Computer cannot turn on,

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lol232
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#1

Posted 25 February 2012 - 12:52 PM

Not sure if the right topic to ask,
my computer is dead, it happened last night when I wanted to turn in on, It didn't turn on whatsoever,
I tried cleaning the PC from dust and everything, it didn't work, damn!
I took the Internet Modem from my PC and took it to my Laptop, to write this,
I was using Folding@Home, PC was turned on, and when I came into room, the PC was shut down.
Can anybody help? What is wrong with my PC?

trip
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#2

Posted 25 February 2012 - 03:21 PM

Does the fan spin on the power supply when turned on?

Wolf68k
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#3

Posted 25 February 2012 - 04:53 PM

I would start by replacing the PSU, if at all possible find someone with a spare/old one or if there is another desktop in the house use that if possible. You just need one that is work to test with to see if the rest of the system comes to life. Worse case when you go to buy one, ask about the return policy; because if a new one doesn't turn the system on either then the problem is likely with the mobo itself.

lol232
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#4

Posted 25 February 2012 - 07:05 PM Edited by lol232, 25 February 2012 - 07:12 PM.

I guess I will have to borrow it from my old (I still have it and play on it),
but it's old PC (around 2002-2005, not sure), I don't think the PSU will match it, but I will try,
does the PC speed matter of the PSU as well?

@trip No, but when I try to turn on, I can see a slight move of fan, but it never moves.
It worked like a charm few days ago

Anyways, is PSU fixable?

EDIT:
And by the way, sorry if I sound like a complete noob, what is a mobo?
Motherboard or???
I doubt it's the problem, I have been running my PC for 18 days turned on,
I am planning to buy a new processor, Triple Core 3.6 GHz, anyways, I am not familiar with PCs,
Last time I edited it was year ago when I was adding a 2TB Hard Disc on my PC,
So, does the mobo come with the processor, if not what kind of good motherboard should I buy,
that is cheap (30$-50$)?

trip
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#5

Posted 25 February 2012 - 07:15 PM

QUOTE (lol232 @ Saturday, Feb 25 2012, 15:05)
I guess I will have to borrow it from my old (I still have it and play on it),
but it's old PC (around 2002-2005, not sure), I don't think the PSU will match it, but I will try,
does the PC speed matter of the PSU as well?

@trip No, but when I try to turn on, I can see a slight move of fan, but it never moves.
It worked like a charm few days ago

Anyways, is PSU fixable?

EDIT:
And by the way, sorry if I sound like a complete noob, what is a mobo?
Motherboard or???
I doubt it's the problem, I have been running my PC for 18 days turned on,
I am planning to buy a new processor, Triple Core 3.6 GHz, anyways, I am not familiar with PCs,
Last time I edited it was year ago when I was adding a 2TB Hard Disc on my PC,
So, does the mobo come with the processor, if not what kind of good motherboard should I buy,
that is cheap (30$-50$)?

Yeah, sounds like your psu is shot. They are cheap enough. Like Wolf said - borrow one or use an old working one to be sure. Then just buy a new one. They are cheap enough - just be sure to get one that fits your case. You'd think they would have totally standardized PSU/Cases by now, but they haven't.

lol232
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#6

Posted 25 February 2012 - 07:24 PM

Well, are they around 10 bucks or 20?
Anyways, I am talking about my mobo, anyways thanks, so are there any good PSU's that can run like charm,
good one, not sh*tty one, that will shut down after 18 days (I was using Folding@Home the whole time),
any cheap ones that will shut down only after at least two months?

Slamman
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#7

Posted 27 February 2012 - 01:48 AM

I bought the cheapest discounted ones from my local MicroCenter, and they still work, outside of that, a 450watt via eBay from a brand and seller I had no knowledge of, but there's never been an issue with either
One thing I'd like in a PSU is a fuse that's not soldered, and of conventional type, that way you can restore it to working easily enough (outside of warranty)

Pico
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#8

Posted 27 February 2012 - 05:39 AM

QUOTE (lol232 @ Saturday, Feb 25 2012, 12:24)
Well, are they around 10 bucks or 20?
Anyways, I am talking about my mobo, anyways thanks, so are there any good PSU's that can run like charm,
good one, not sh*tty one, that will shut down after 18 days (I was using Folding@Home the whole time),
any cheap ones that will shut down only after at least two months?

A good one will last must longer than 2 months, even if at full power for months on end. You'll be best off get an 80 certified or 80 Plus certified power supply to get the most out of it. You'll want to spend $50 or higher in general for a decent quality one. Antec, Corsair are two brands I've heard good things about. You also need to make sure it's strong enough to power your components. Try to match the power ratings on your current psu.

lol232
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#9

Posted 02 March 2012 - 10:17 AM

Alright, thanks guys, I will buy a good new PSU.




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