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HomeOff Topics › P/C gurus, need help plz
02-06-2010 12:49 AM  8 years agoPost 1
S76 Mech

rrElite Veteran

Hatboro, Pa.

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I have an older computer. bout 6 yrs old, lol, yeah I know. anyways, its been running fine for some time, I keep it tuned enough to keep it running decently.

today I came home and hit the power switch to turn it on. it started to spool up then quickly shut down. hit the switch again and nothing. flipped the on/off toggle on the back of the power supply then tried the power switch on the front... nothing.

I took another 450w p/supply out of an old tower Im not using and swapped it out with the first one.

hit the power switch and it did the same thing. It started to spool up, then quickly shut down and will not do anything.

this is with 2 seperate power cords plugged directly into the wall outlet.

Im going out to the garage to swap the first power supply into the backup tower and see if it works on the old tower. kinda vica-versa.

any ideas.

theres a small silver cr2032 battery fixed to the mother board, I thought that was it but then again, I think thats a backup power source for the clock.

ok, brb, thx

Gaui Greatness X7, X5, NX4, X3

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02-06-2010 01:12 AM  8 years agoPost 2
RaptorMan23

rrKey Veteran

Sioux City, IA

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Try flipping the circuit breaker on the back of the CPU, if that doesnt work, do you have it plugged in directly to an outlet or to a power strip?

If you only have to bend over once to pick it up it's a good landing.

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02-06-2010 02:12 AM  8 years agoPost 3
KevinR

rrVeteran

Vancouver, BC Canada

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If the power supply works in the other computer when you swap them again that would rule it out. Is there an LED on the motherboard that indicates if it's getting power? Maybe something silly like a faulty on/off switch? Possible fried motherboard, have you gotten any static shocks while plugging something into a USB port lately that could have fried it?

Sorry, I'm not computer wizard but you should be able to narrow it down.

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02-06-2010 02:32 AM  8 years agoPost 4
rmschmidt

rrApprentice

Tooele, Utah

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May sound funny, but reseat your CPU with new heat sink grease. I went to several so called computer experts and was told to replace the power supply, did & same thing, a different guy said it was the CPU or motherboard! Talked to my nephew who works for intel and he told me to reset the CPU with grease and it worked! He told me it only takes less then a second to overheat & shut down the CPU. Then my neighbor had the same problem and we re greased the CPU and now it worked also. I no longer have a PC as I went MAC, but would still think it would apply if this were to go out.

Also when the CPU overheats it turns off the power supply

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02-06-2010 03:41 AM  8 years agoPost 5
AWittleWabbit

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O.C., CA

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That small coin cell powers the memory for your motherboard bios. In the odd chance you removed it and have never played with BIOS settings, run everything on auto or default. Do get the blue screen or does it even get that far? Replacing that battery wouldn't hurt, it's about due.

Heli-itis sufferer.

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02-06-2010 04:08 AM  8 years agoPost 6
S76 Mech

rrElite Veteran

Hatboro, Pa.

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ok, i fooled around with the power supplies.

i took the spare ps and installed it in the primary tower. it turned on for a sec then turned off and wouldn't restart. I then removed it and it, returned it to the backup tower and it wouldn't start the old tower. then I thought it burned out.

so I put it back into the primary tower and it started for a second then shut down, same thing. put it back into the backup tower and it started and kept running, just as it did before I removed it for troubleshooting.

I then took the original ps and installed it into the old tower. it does nothing at all. its a higher wattage ps then the old one so it should work. remove it from the backup tower and reinstall in the original tower. plug it in, hit start, its starts, for a second, then shuts down, and wont restart. same thing again. but this time when it started the fan on the ps sounded really loud and buzzing. so i rewired a new fan into the ps. I put the ps back together and plugged the power wire bundle into the mb. hit the power button and it did the same thing. started up, then shut down and wont restart.

so to clarify my ramblings...

its the same problem still. intermittent startup and rapid shutdown of the ps. what would cause this.

I did pull the amd athon xp (socket a) chip out, it looks okay, reinstalled it.

I did notice that the grease ontop of the chip where the heatsink rest's was barely covering the contact area, and was dried up. thinking maybe its dry and allowing the heatsink to vibe around on top of the chip. I imagine this would cause this to shutdown, right?

going to look for some thermal paste.

ps: the power cord is plugged directly to the wall, no power strip. also the cb reset has no effect.

Gaui Greatness X7, X5, NX4, X3

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02-06-2010 04:20 AM  8 years agoPost 7
S76 Mech

rrElite Veteran

Hatboro, Pa.

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thermal paste and heatsink did not work. powered up for a sec then shut off. wont do it again.

Gaui Greatness X7, X5, NX4, X3

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02-06-2010 05:58 AM  8 years agoPost 8
zaw

rrKey Veteran

Lebanon, NH - USA

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Mine did that when power button was stuck. Took me a few hours to figure it out.

ಠ_ಠ HBK2 built with inexpensive parts! ٩๏̯͡๏)۶ Gaui425

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02-06-2010 02:17 PM  8 years agoPost 9
fla heli boy

rrElite Veteran

cape coral, florida

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I'm no expert by any means and I'm sure my situation was a little different, but I had the same problem with mine. My tech guy told me to ditch the surge strip and use a battery backup. "oila....worked like a charm, no problems since.
Something about getting a more steady voltage or whatever, kinda like a line conditioner in a high end stereo system. Problem must've been in the house wiring because when I took it to them, it fired up fine. Bought a new surge for home, but it still did it. Took it back again, fired up fine at the shop AGAIN. Bought the batt. back up and it's been 100% for 2 years now. Weird....

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02-06-2010 02:22 PM  8 years agoPost 10
S76 Mech

rrElite Veteran

Hatboro, Pa.

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ps: the power cord is plugged directly to the wall, no power strip. also the cb reset has no effect.

Gaui Greatness X7, X5, NX4, X3

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02-06-2010 03:00 PM  8 years agoPost 11
TheHud

rrNovice

Ellsworth, ME - USA

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Mem problems can cause a failure like this. I would next try re-seating the memory. If you have more than one memory stick, remove all but one and see if it starts, if it does not take that one out and put one of the others in. May be able to find the bad memory that way.

Gun control is like fighting drunk driving by making it harder for sober people to buy cars.

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02-06-2010 03:06 PM  8 years agoPost 12
S76 Mech

rrElite Veteran

Hatboro, Pa.

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will do, thx

Gaui Greatness X7, X5, NX4, X3

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02-06-2010 03:33 PM  8 years agoPost 13
fla heli boy

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cape coral, florida

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as I said, it could be the same as mine, a fluctuation in current. Our power is very "dirty" here locally, hence the batt. backup cleaned up the current, as it was explained to me - and it worked. I just assumed my shop was trying to sell me a BBU. I was wrong.

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02-06-2010 03:41 PM  8 years agoPost 14
gian

rrVeteran

AZ

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Mine did that when power button was stuck. Took me a few hours to figure it out.
Yep- that'll do it!
My tech guy told me to ditch the surge strip and use a battery backup.
Good advice here. Been using a Furman power conditioner (PL-pro) for years with no problems. The device even shows you what your power currently looks like, which could help you diagnose what your problem is when you're not using the conditioner.

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02-06-2010 03:52 PM  8 years agoPost 15
S76 Mech

rrElite Veteran

Hatboro, Pa.

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tried a different memory stick and nothing, wont boot up.

im going to look at the switch.

Gaui Greatness X7, X5, NX4, X3

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02-06-2010 03:53 PM  8 years agoPost 16
gian

rrVeteran

AZ

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Another thing- Take a look at all of the capacitors on the mobo. I've seen resets/shutdowns caused by bad caps (they look swolen on top, like the metal casing is going to pop). Actually, thinking about it, capacitors have been the number one "power-type" symptom I've run across in electronics.

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02-07-2010 05:00 AM  8 years agoPost 17
S76 Mech

rrElite Veteran

Hatboro, Pa.

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nothing doing guys, i think shes cooked.

I took the ps out and installed it in my old dell tower, it works fine. reinstalled it back into my good box and it does nothing. doesn't power up, nada.

i dont have a spare stick of ram of that type to try so scrap that idea.

the mb looks fine, all connections look fine, the switch looks fine. I dont get it, and Im getting tired of trying to t/s this thing.

anyone know where to get a decent tower for cheap these days? I've been outta the pc loop for so long I don't know where to look?

thanks

Gaui Greatness X7, X5, NX4, X3

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02-07-2010 05:08 AM  8 years agoPost 18
GimbalFan (RIP)

rrProfessor

Big Coppitt Key, FL

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I buy almost all my PC components at Frys. Got one nearby?

op-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-t

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02-07-2010 05:08 AM  8 years agoPost 19
nojohnny101

rrElite Veteran

10 miles north of Cincy, OHIO

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hey
bummer...hate those dead end problems that never get resolved....sounds like you got your money's worth out of your computer though, your computer was ancient in computer time

as far as a new machine:
Here

Thanks
~Will-i-am~

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02-07-2010 07:02 AM  8 years agoPost 20
zaw

rrKey Veteran

Lebanon, NH - USA

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Fry's Electronics!! I love that place!

ಠ_ಠ HBK2 built with inexpensive parts! ٩๏̯͡๏)۶ Gaui425

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HomeOff Topics › P/C gurus, need help plz
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