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| Thread ID: 127355 | 2012-10-18 20:29:00 | Dying PSU? | 8ftmetalhaed (14526) | Press F1 |
| Post ID | Timestamp | Content | User | ||
| 1307533 | 2012-10-18 20:29:00 | Just woke up, brought the PC out of standby, the CPU fan buzzer went off. Shut it down, unplugged it, turned it on and it refused to start the first time. Turned on for a second then turned back off. Second time it worked. CPU fan was fine. No idea why it didn't spin first time. Just plugged the pc back in, it refused to start again. (first time, second time fine again) Does this sound like a dying PSU to you guys? |
8ftmetalhaed (14526) | ||
| 1307534 | 2012-10-19 03:20:00 | Not neccessarily, intermittent faults are always difficult to track down. First of all I'd be inclined to unseat all connectors and cards, ram etc, clean all contacts using say CRC switch cleaner lubricant, and re-assemble, taking care not to zap the ram with ESD. Then see what happens. |
Terry Porritt (14) | ||
| 1307535 | 2012-10-19 06:27:00 | CPU fan buzzer went off. Is the CPU fan working, is it connected? Is it correctly setup in the BIOS? |
pctek (84) | ||
| 1307536 | 2012-10-19 08:09:00 | Yeah it's fine. It's only ever happened once before, and that was aaaaages ago. I'm not sure though if it was a case of it not spinning or not being detected, since I checked HW monitor and the temps were normal before I turned it off for the first time. And yes it's in the right socket. As for the not turning on thing I guess I'll turn it off and on a few times when I get back on sunday/monday from armageddon/parties and see what happens with it. I might have a look at my front panel too, a while back I do recall something bust but I forget what. I think it was simply a holder for the power button, but if it's sticking then yeah that could be the issue. -_- |
8ftmetalhaed (14526) | ||
| 1307537 | 2012-10-28 07:42:00 | Just a bump because I've now got a phone that takes videos longer than 12 seconds of absolutely nothing. Mum woke the pc, CPU fan wasn't spinning. Put it to sleep, woke it again, didn't spin. Unplugged it, brushed at it, started on its side and now all's fine and dandy. But still doing the aforementioned cutting out on startup though, so would like opinions as to whether it's going to be a dying PSU or something else causing it to do this (and whether this could consequently be causing the CPU fan to fail and not start, or if that's more likely a failing fan) www.youtube.com Just in case it's the button though I'm gonna restart it with the button detached. Shall report back. edit - gave a brush at the power button too, was a bit dusty. now it's starting fine with or without the button attached. broken bit was just a guide, am sure it's not a case of the button getting stuck in, else it wouldn't start up again after the initial cut out would it? |
8ftmetalhaed (14526) | ||
| 1307538 | 2012-10-30 01:37:00 | Motherboards use a series of beeps to warn of various problems. Most are serious - no video card - RAM error detected (rare) - CPU fan stopped - over-heating Unfortunately the beep error codes varies with motherboards. Most motherboards monitor the CPU fan via PWM, which is why CPU fans usually have 4 pins. (Case fans usually have 3 pins). Obviously if the CPU fan stops on most PC's, you're probably less than a minute from frying your CPU. Fans, particully old and cheap OEM ones, may over time loose the torque to "spin up". However once they're spinning, they're quite happy as this almost requires no effort. My advice: first replace the CPU cooler, including the fan, before worrying about the power supply. Replace the CPU cooler is usually an opportunity to buy a quieter one, than the original OEM CPU fan. |
kingdragonfly (309) | ||
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