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January 23rd, 2006, 10:51 PM
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OT: PSU problem??
I recently bought and installed a new PSU for my computer, a 500W PSU manufactured by Ultra. Everything seems to be working just fine, except for one thing. There is a highly annoying high-pitched whine emanating from the PSU ever since installation. Oddly enough, this noise totally disappears when the computer is booting up and when it is in standby mode. I don't think it matters at all, but at the same time as the PSU installation I also installed another Gig of RAM.
Any help would be greatly appreciated!  Thanks!
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January 23rd, 2006, 11:34 PM
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Re: OT: PSU problem??
It's not related to the PSU fan?
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January 24th, 2006, 02:02 AM
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Re: OT: PSU problem??
It is most likely the fan. Either take it back, or if you're a bit more adventurous, like I am, open the powersupply case (completely powered down and removed from the tower), pull the fan off its spindle and look for any plastic burrs on the blades that may be unbalancing it, put some fine white grease on the spindle, remount the fan and close the PS, put it back in the tower... turn it on.
Suntan lotion works really well as a light, white grease btw.
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January 24th, 2006, 03:16 AM
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Re: OT: PSU problem??
Sure it's the fan? If that were so, wouldn't it constantly make the whine?
__________________
Courage doesn't always roar. Sometimes courage is that little voice at the end of the day that says "I'll try again tomorrow".
Maturity is knowing you were an idiot in the past. Wisdom is knowing that you'll be an idiot in the future.
Download the Nosral Confederacy (a shipset based upon the Phong) and the Tyrellian Imperium, an organic looking shipset I created! (The Nosral are the better of the two [img]/threads/images/Graemlins/Grin.gif[/img] )
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January 24th, 2006, 04:43 AM
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Re: OT: PSU problem??
No. A lot of non-cheap PSUs have thermal sensitive fans that speed up when the PSU gets hot, and slow down as it cools.
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January 24th, 2006, 11:27 AM
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Re: OT: PSU problem??
That makes sense. Thanks for explaining.
__________________
Courage doesn't always roar. Sometimes courage is that little voice at the end of the day that says "I'll try again tomorrow".
Maturity is knowing you were an idiot in the past. Wisdom is knowing that you'll be an idiot in the future.
Download the Nosral Confederacy (a shipset based upon the Phong) and the Tyrellian Imperium, an organic looking shipset I created! (The Nosral are the better of the two [img]/threads/images/Graemlins/Grin.gif[/img] )
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January 24th, 2006, 02:55 PM
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Re: OT: PSU problem??
Be very careful when opening a power supply! There are capacitors inside that hold very high voltages for a long time! You can suffer a serious shock if you touch the wrong thing, as in hospitalization or potentially fatal.
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January 24th, 2006, 08:47 PM
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Re: OT: PSU problem??
...In that case, I'd just replace the PSU.
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January 24th, 2006, 10:17 PM
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Re: OT: PSU problem??
Quote:
Baron Munchausen said:
Be very careful when opening a power supply! There are capacitors inside that hold very high voltages for a long time! You can suffer a serious shock if you touch the wrong thing, as in hospitalization or potentially fatal.
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I wasn't planning on cracking it open. I'd rather just try to get it replaced on warranty, and if you break the seal by opening it up, you lose the warranty...
__________________
Courage doesn't always roar. Sometimes courage is that little voice at the end of the day that says "I'll try again tomorrow".
Maturity is knowing you were an idiot in the past. Wisdom is knowing that you'll be an idiot in the future.
Download the Nosral Confederacy (a shipset based upon the Phong) and the Tyrellian Imperium, an organic looking shipset I created! (The Nosral are the better of the two [img]/threads/images/Graemlins/Grin.gif[/img] )
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January 24th, 2006, 10:32 PM
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Re: OT: PSU problem??
So carefully remove the seal, and reseal it after you are done?
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