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Solve this and your a legend....(strange noises)

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Joined
10 Sep 2006
Posts
400
Hi there I'm in a little bit of a dilema, here let me explain it all :(

I recently purchased an 8800GTX, all was well until a month ago when for no apparent reason I could hear a loud "squeel" whenever I would turn my computer off, lasts about half a second. It didn't seem to cause anything bad to happen and carried on as normal and due to the nature of the noise I couldn't locate it.

Then a couple of weeks ago, there was a lightning strike and my screen wouldn't come on in the morning, computer booted but no display, I could hear the hard drives spinning up. But no picture.

I assumed the PSU\Mobo\CPU was knackered because of the lightning, but took it to They're still a competitor (yes I know, but it was just to diagnose to fault)...

Anyway, much to my surprise there was someone there who knew exactly what they were talking about. He said it was the graphics card that was faulty as he plonked in a Radeon 9600 and it worked fine.

So I RMA'd my graphics card, and got a new 8800GTX but am still having the exact same problem.

I spoke to him today and he thinks it might be to do with the power needed from the graphics card and the bit that proved the PCI-E power connector power in the PSU might be stuffed.

I'm starting to think he might be right, as, when I turn on my computer without the 2 PCI-E power cables connected to the graphics card, I hear the EXACT same "squeel" noise from before when I used to turn it off. But instead of only being there for the second it stays making the squeel noise until you turn the computer off....

I've tried unplugging ALL drives and still get no pic, 1 of the PCI-E connectors is made up to 2 x Molex conntor -> PCI-E adaptor as there is only 1 PCI-E conector on my PSU, I've tried using different power rails for that 1.

So my only conclusion is that the PCI-E connector coming from the PSU is knackered, or the power coming from it is\somethings fried in that area?

What do you think, and have you heard of anything like this before?

Thanks for reading and any advice, I don't have a spare card to test personally or another PCI-E convertor to eliminate the PCI-E power output as the fault...Is it likely it is that?

Thanks :)
 
Mine does the same, wouldnt worry too much about it - its the graphics card giving you an alarm that its not getting enough power (when you turn off the PSU powers down that rail first - then the mainboard rail - or something like that). I have read a few threads and loads have the same and say it wont knacker the card.
 
Thanks for the replies, but I guess that makes my theory less likely that its the PCI-E power output thats gone down the toilet?

I would star it out, but its kinda relevent given their general incompetence and that their thoughts mite not be true...

Still haven't got a clue on this though :confused:

Thanks
 
I am not suggesting this is the answer to all problems out there seeing as I have just got my problem sorted but I presume the 9600 was PCI? Maybe the PCI-e part of your boards bios has gone wonky. Perhaps try resetting CMOS and if you till get a blank screen try a PCI graphics card to enter the bios and redo the settings. The lack of display seems to range from a complete blank screen to the problem I suffered where only the bios post was not being displayed.

Might be worth a try before replacing hardware.
 
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