Computer does not power on

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36 Replies - 1854 Views - Last Post: 03 April 2009 - 08:46 AM

#16 Rickster090   User is offline

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Re: Computer does not power on

Posted 16 December 2008 - 03:46 AM

yh ok... i think i will.... thanks for all your support.

im getting a new PSU form my ICT technican at lunch so i hope that works...

i give you an update tommorow :)
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#17 Rickster090   User is offline

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Re: Computer does not power on

Posted 17 December 2008 - 06:37 AM

Ok.. i plugged in my new PSU and it works.. i hear all the fans spinning.

Just one problem thought

my monitior says the there is no input signal???
anyone got any ideas?
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#18 MorphiusFaydal   User is offline

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Re: Computer does not power on

Posted 17 December 2008 - 08:26 AM

The power surge that blew out your PSU also killed your video card? Or your motherboard? (Although your PSU *should* power off if the mobo is fried.)

Seriously, try unplugging everything, reseating the video card (and the RAM, and any other expansion cards you have..), replugging in the monitor, and trying again.

You really do need a surge protector.
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#19 mocker   User is offline

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Re: Computer does not power on

Posted 17 December 2008 - 10:36 AM

Do you have a seperate video card, or are you connecting to video on the motherboard? If you are using a seperate video card try making pushing it in in case you knocked it lose when changing the PSU. If it still doesn't boot try taking it out and plugging your monitor into your motherboards video connection (if it has one).

If you are already using your motherboards video connection then try a video card if you can get one. If your motherboards onboard video is toast then you need either a new motherboard or a video card. And a surge protector..
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#20 Rickster090   User is offline

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Re: Computer does not power on

Posted 18 December 2008 - 02:09 AM

I have tried my video card's slot ... didn't work
i took out the card and used the onboard slot.... still didn't work.
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#21 MorphiusFaydal   User is offline

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Re: Computer does not power on

Posted 18 December 2008 - 02:16 AM

plug your monitor into some other computer real quick (just to isolate that, and make absolutely certain that it works. Try with your video cable and with another cable just to make sure the cable isn't damaged).

Try pulling your video card out and switching it into someone elses computer. If you get video with your card and their all the rest of a computer, your video card is fine. If not, you need a new video card.

The onboard video not coming on *could* be because you have a partially fried motherboard, or it could be a BIOS setting... Although *that* should change itself when you pull out your video card and plug the monitor into onboard.

Buy a surge protector to go along with anything else you may need to pick up. $10 is a cheap price to pay compared to a delicate and expensive computer.
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#22 Rickster090   User is offline

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Re: Computer does not power on

Posted 18 December 2008 - 03:25 AM

Ok... but my Monitor works fine and so does my Video card...since its new.

but the monitor says " No Input Signal"
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#23 MorphiusFaydal   User is offline

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Re: Computer does not power on

Posted 18 December 2008 - 04:54 AM

Unless the same thing that killed your PSU killed some part of your monitor or mobo. Or the VGA cable you've got has been damaged somehow. And it won't always show on the outside of the cable.
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#24 Rickster090   User is offline

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Re: Computer does not power on

Posted 18 December 2008 - 05:14 AM

Hummm...Could be....But i suspect its the cable thats missing on my new PSU. there is sum sort of 4 pin slot....and their is not 4 pin slot like my old PSU....looks like i need to get a PSU..
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#25 no2pencil   User is offline

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Re: Computer does not power on

Posted 18 December 2008 - 11:12 AM

Assuming that you mean the 2nd one (P4 ATX) in this photo :

Posted Image

You need to get a power supply with this adapter, if your mother board requires it.

Or you could getvyouself something like this adapter.
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#26 Rickster090   User is offline

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Re: Computer does not power on

Posted 19 December 2008 - 01:31 PM

yh thats what i mean ..
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#27 etoilevn88   User is offline

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Re: Computer does not power on

Posted 22 December 2008 - 11:19 AM

this would have been better of in the computer support forum.
If you are already using your motherboards video connection then try a video card if you can get one. If your motherboards onboard video is toast then you need either a new motherboard or a video card. And a surge protector..
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#28 MorphiusFaydal   User is offline

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Re: Computer does not power on

Posted 22 December 2008 - 11:47 AM

View Postetoilevn88, on 22 Dec, 2008 - 11:19 AM, said:

this would have been better of in the computer support forum.
If you are already using your motherboards video connection then try a video card if you can get one. If your motherboards onboard video is toast then you need either a new motherboard or a video card. And a surge protector..

A. You might want to check what forum this is in.. It *is* in Computer Support.

B. We already figured out that his power supply does not have the correct pin-out for his motherboard. :)

This post has been edited by MorphiusFaydal: 22 December 2008 - 11:47 AM

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#29 ValPaliy   User is offline

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Re: Computer does not power on

Posted 22 December 2008 - 11:49 AM

BIOS died. Need a replacement 90% of 100%. Did you fiddle with BIOS settings in last couple of days, Rickster090?
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#30 Rickster090   User is offline

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Re: Computer does not power on

Posted 06 January 2009 - 06:35 AM

no i didn't fiddle with the bios....and hopefully never will..

all i rember is i was on Adobe illistrator making my mum a Congratulations certificate......and the next morning BAM..its dead.
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