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Acmlm's Board - I3 Archive - Hardware / Software - What does it mean when a computer won't turn on for a while and then will later start working again?
  
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Nebetsu
Posts: 238/356
Originally posted by rubixcuber
Did the computer develop this behavior or has it had this behavior from the start? I ask because I ran into this problem working as tech support not that long ago and in that case it was being caused by flaky electricity in the building. If it's not one of the more likely problems people have already mentioned, you might try running the computer through an uninterrupted power source and see if that helps.

The electricity in this building is the flakiest... >>
rubixcuber
Posts: 19/356		 Did the computer develop this behavior or has it had this behavior from the start? I ask because I ran into this problem working as tech support not that long ago and in that case it was being caused by flaky electricity in the building. If it's not one of the more likely problems people have already mentioned, you might try running the computer through an uninterrupted power source and see if that helps.
Nebetsu
Posts: 219/356		 Ok thanks guys. My GF's computer is kind of old (Pentium 2 - 266MHz). It's just a LITTLE old.
SuperLuigi64
Posts: 199/281
Originally posted by Tarale
Originally posted by BMF54123
That's almost certainly a bad PSU. The capacitors are probably dying, and need to cool down for a while before they'll retain an adequate charge (turning a computer on requires a relatively large "kick" of electricity compared to normal operation, since it has to spin up the hard drives/fans/etc.).


Oooh, thanks for that explanation. I had guessed vaguely that the problem was likely related to PSU capacitors (after all, every fried PSU I've ever pulled apart has a dead capacitor as the cause), but hadn't put much thought into it further than that...

That makes a lot of sense



Uh oh, the dude I sold my old computer to got a "lemon". I figured that thing was on it's last legs when I put Windows XP on it 3 times in 2 weeks.
Tarale
Posts: 1645/2713
Originally posted by BMF54123
That's almost certainly a bad PSU. The capacitors are probably dying, and need to cool down for a while before they'll retain an adequate charge (turning a computer on requires a relatively large "kick" of electricity compared to normal operation, since it has to spin up the hard drives/fans/etc.).


Oooh, thanks for that explanation. I had guessed vaguely that the problem was likely related to PSU capacitors (after all, every fried PSU I've ever pulled apart has a dead capacitor as the cause), but hadn't put much thought into it further than that...

That makes a lot of sense
Sukasa
Posts: 1666/2068		 Yeah, that's probably the case. If you've ever notied (I have), when you turn on a cmputer, it usually dims the lights a fair bit. I notice, and I actually have a room on a dedicated 30 Amp breaker, so a standard room's wiring system will most likely dim even more than mine.
BMF54123
Posts: 641/876		 That's almost certainly a bad PSU. The capacitors are probably dying, and need to cool down for a while before they'll retain an adequate charge (turning a computer on requires a relatively large "kick" of electricity compared to normal operation, since it has to spin up the hard drives/fans/etc.).
Sukasa
Posts: 1654/2068		 Wattage too low? That's happened to me before. before I got a bigger PSU.
leileilol
Posts: 52/64		 My p2 233's factor sucking up the juice is actually the Voodoo Banshee video card. Sticking in a s3 trio64v+ 2mb PCI instead helps the computer's voltage balances a bit and is more stable in an electronically active household.
SuperLuigi64
Posts: 156/281		 Mine did this before, but that was because of a massive overclocking, and the power supply blew sky high. It wasn't too good. But my old computer did something like that. I kicked it and it worked. Don't do this to your AlienWare.
Tanks
Posts: 182/596		 This happened to my lap top and then the battery stoppped charging...(refering to compaq help thread.)
Sweet Kassy Molassy
Posts: 517/886		 I'd agree it's a power issue. It COULD also be due to a loose or bad cable. Take the side of the case off and jiggle all the wires next time. Also try unplugging the power supply from the wall, hitting the power button, waiting a second and then replugging and turning on as normal.
Tarale
Posts: 1605/2713		 Yeah, that sounds possible. It might also mean that there's a minor problem with the power supply (as opposed to simple inefficiency by default).

When lightning struck my work building, a few power supplies got "quirky". Now a few of them will randomly decide not to turn on; only to work again later. My work machine is sometimes one of them... (Unfortunately this does not appear to be enough to lodge a Warranty call though)
leileilol
Posts: 50/64		 Inefficient power supply. My p2 233 had gotten this alot especially when an electric fence is turned on. Usually after a blackout or so it works perfectly normal at boot.
Tarale
Posts: 1595/2713		 Does it happen often?

Mine has done that before due to power issues; but pulling the power cord out for 30 seconds, and replacing it seems to resolve this.
Dr_Death16
Posts: 204/970		 That could be a problem with your fan/cooling system. See if your computer has problems after a long period of being on or gets really, really hot. All the while make sure that your fan is working correctly.
Nebetsu
Posts: 211/356		 Title speaks for itself.
Acmlm's Board - I3 Archive - Hardware / Software - What does it mean when a computer won't turn on for a while and then will later start working again?


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