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PSU and Overheating Issues - Cant Install New PSU!!! posted in the Hardware forums; My computer was shutting down every 5 minutes or so, so I figured it was a power supply problem. I go out to the store, buy a new one, and ...

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  #1  
Old 04-16-2007
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Default Cant Install New PSU!!!

My computer was shutting down every 5 minutes or so, so I figured it was a power supply problem. I go out to the store, buy a new one, and take out the old one. After I realized it wasnt working properly (the new one) I read a few tuts on the internet, and most of them said to take pics before you unplug... I dunno... When I plug in the new one, the PC turns on, but the CD drives wont open, and nothing shows up on my monitor. And, I've checked and double checked they're plugged in properly... The CD drives were plugged in properly, but still, nothing came on the monitor... The monitor was on, the orange light was on... I tried putting the old one back in, the CD drives worked, but still, nothing on the monitor... Oh, and with either PS, the PC beeps 4 times when I turn it on...


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Old 04-16-2007
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Originally Posted by tnine
My computer was shutting down every 5 minutes or so, so I figured it was a power supply problem. I go out to the store, buy a new one, and take out the old one. After I realized it wasnt working properly (the new one) I read a few tuts on the internet, and most of them said to take pics before you unplug... I dunno... When I plug in the new one, the PC turns on, but the CD drives wont open, and nothing shows up on my monitor. And, I've checked and double checked they're plugged in properly... The CD drives were plugged in properly, but still, nothing came on the monitor... The monitor was on, the orange light was on... I tried putting the old one back in, the CD drives worked, but still, nothing on the monitor... Oh, and with either PS, the PC beeps 4 times when I turn it on...
Hi tnine,

Welcome to The PCHF!

It sound like you've not had much fun recently.
Right, lets start with the no video thing, I suspect that you might be using the on board video connector which needs to be powered on some boards.(Do this only when the sysytem is powered off) From the PSU there should be a set of cables coloured black and yellow leading up to a plastic connector that has 4 pins, on the motherboard, possibly near the cpu should be a plug to connect to. It should only be able to plug in one way.
As to the CDROM drives, make sure the red cable is closest to the IDE cables.
The Beeps you get, without knowing what make/model your board is could mean any number of things, let us know what it is. Check that the memory is seated properly as that is one of the more common problems

Apart from that you might have a duff PSU on your hands, unusual but it does happen sometimes.
Let us know how you get on


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Old 04-17-2007
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Hello Tnine,

If I may inject something here. After changing the PSU inside your PC always make sure you haven't jiggled anything loose like ram or video card. Make sure everthing is seated properly. Also did you know...Some PC manufacturers use proprietary power supplies? I didn't untill I bought my first DELL...lol So keep that in mind..

Sorry Radar. Didn't mean to barge in.

LC



Last edited by Lord Chance; 04-17-2007 at 12:55 AM.
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Old 04-17-2007
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I didn't untill I bought my first DELL...lol So keep that in mind..
Even Dell's not doing that any more, LC. Unless I'm mistaken --stopped several years ago. 03 or 04


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Old 04-17-2007
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Hello Ih8bills,

I'm glad they did. I have 2 new ones on the shelf because... Thanks for the info...

Maybe I should have said they used at one time...lol


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Old 04-21-2007
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Thanks for the replies. Its not a brand name PC, just an old one in a white case... Everything is seated, actually screwed in... And, the molex connectors are all in properly. I have an Award BIOS BTW...


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Old 04-22-2007
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Um ... acoording to what I found on google Award was absorbed by Phoenix in 1998.

Award Software and Phoenix Technologies Have Merged

Its not a brand name PC, just an old one in a white case
Exactly how old is "old" ??

unfortunately...Award used to sell Bios chips to OEM makers-- who would then modify that basic BIOS code for their customized needs for that model ...which means that updating the BIOS to see modern hardware would be very difficult-- if not impossible, due to hundreds of versions.
Is there any lettering/name on the motherboard or inside the case?
If we can't figure out who built this thing you might be stuck.
There are still was to replace the BIOS-- but with hardware that old, it's probably not worth the trouble.



Last edited by ih8bills; 04-22-2007 at 01:26 AM.

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