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bye bye, power supply

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Name: jam
Date: August 27, 2004 at 17:36:49 Pacific
OS: win me/xp pro
CPU/Ram: 1800+ /512
Comment:

My 450 watt PSU made a gracious exit last nite...luckily it didn't take anything else out with it. It's still under warranty so I'm not gonna open it up to see what went wrong. I hope to RMA it for a replacement or credit.

Here's what happened....

I was surfing around & began to notice a slight whistling from my speakers. Checked connections, everything seemed good. Rebooted into ME, same whistling noise, so I figured it was a hardware prob rather than software. Checked temps & it was 45C at idle...that's unusually high for my machine, but it was hot & humid yesterday (about 82F in the house). Double checked all connections & everything seemed fine, so I rebooted to XP. Got online for a few minutes & my system froze up...I did a hard boot, it went thru the system check & all seemed OK (still the whining noise though). Got back online & it shutdown within 5 minutes...after that, it wouldn't boot again. I'd get a flicker of LEDs, a quick spin of the fans, then it would shutoff. I let it cool for a couple of hours & tried again...still no luck...so I'm back with my cheap Eagle 300 watt PSU w/13A on the +12v. Everything is working fine & the whistling noise has stopped. So far so good. BTW, it's still hot & humid today with room temp about 80F, & my CPU temp is now 36C......

The 450 watt unit was made by Real PC Power, Titanium Series, Dual Fan design w/3 speed adjustable fan. I got it from compgeeks about 5 months ago for $16...yea, I know, ya get what you pay for

Based on this experience, I would NOT recommend buying one of these units...lol



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Response Number 1
Name: YOYO
Date: August 27, 2004 at 17:42:46 Pacific
Reply:

jam,

Thanks for sharing you experience with that brand of psu. I won't buy one. I bought another cheap one and will let you know how it fairs if anything goes wrong. lol!

YO


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Response Number 2
Name: jam
Date: August 27, 2004 at 18:18:26 Pacific
Reply:

OK...now I'm confused. I just benchtested the PSU by connecting a jumper wire between the green & black wire...I plugged it in, hit the switch, & both fans spun up & kept on spinning!

Maybe a load will shut it down again? Any thoughts???


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Response Number 3
Name: YOYO
Date: August 27, 2004 at 19:01:09 Pacific
Reply:

Well, since you're still up and running with your old PS, I'd say a load will shut the newer supply down again. Weak components IMO
can't stand the heat. Of course it could be a cold solder joint also causing the problem.

YO


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Response Number 4
Name: BlueRaja
Date: August 27, 2004 at 22:37:03 Pacific
Reply:

Ah sh*t...
I've been hearing noises from my computer's speakers, and it keeps freezing..

This has been going on for upwards of a year, though, and it'll still run for days, when I'm not playing games for four hours straight :S


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Response Number 5
Name: johnoh
Date: August 28, 2004 at 02:03:50 Pacific
Reply:

"Maybe a load will shut it down again?"

That's my bet


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Response Number 6
Name: giggles
Date: August 28, 2004 at 10:13:00 Pacific
Reply:

hey, what have i been saying this whole time!
dont get cheap psu's becuase you cant trust em
and they do not last!

what is painfully obvious to one person might be just painful to the other


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Response Number 7
Name: jam
Date: August 28, 2004 at 11:31:46 Pacific
Reply:

Yea, giggles, I know...but the specs were good (450 watts, dual fans/adjustable, 18A on +12v) & the price was too, so I took a chance.

One thing I neglected to mention was that Asus Probe popped up several times during the whole ordeal, indicating the voltage for the +3.3v had dropped below the 10% tolerance...I think it was 2.916v or something like that

I've checked Probe several times since installing the 300 watt unit & the numbers are very close to what they should be


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Response Number 8
Name: squirrel
Date: August 28, 2004 at 17:55:13 Pacific
Reply:

make a resistive load for it and plug it in.
put a 300 Watt load on it 12 or 5 volt side. do it with car lights. the ones in your car like the brake lights.
3 of them pull about 7-9 amps.
thats about 100 watts.
get 6 lights and wire em up.
i think that will pull about 250-300 watts.
and it makes a nice light display.
or you can use regular lite bulbs. they make great resistive loads.



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Response Number 9
Name: heropsycho
Date: August 28, 2004 at 21:44:00 Pacific
Reply:

Hey Jam!

420W Thermaltake for $38 shipped on newegg.com right now. ;-)

MCSE, MCSA Messaging, baby!


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Response Number 10
Name: giggles
Date: August 28, 2004 at 23:41:53 Pacific
Reply:

you really like that thermaltake psu there dontcha, hero ;)

what is painfully obvious to one person might be just painful to the other


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Response Number 11
Name: jam
Date: August 29, 2004 at 06:41:42 Pacific
Reply:

Thanks heropsycho,

I've been looking around & saw the 420W Thermaltake...right now, it's at the top of my list.

My 300W appears to be holding up though. I still have to RMA the 450W one...hopefully I'll get a credit, cuz I don't think I wanna replacement in kind. I consider myself lucky that it bowed out gracefully & didn't go out with a bang!


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