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A strange HD crashing....

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RandyT:

--- Quote from: kahlid74 on July 26, 2012, 01:14:47 pm ---If the draw for the entire system at the time of power up including the HDD in question is more than the PSU can handle, it's possible that the line providing power to said HDD was given lower than tolerable draw preventing the HDD in question for actually spinning up.  Once all other systems cold booted to lower draw, the power cable can be re-jostled and give the questionable HDD a jump start.

--- End quote ---

What he said.  It's also not beyond the realm of possibility that a PS operating right on the edge, or marginally faulty, would drop the voltage when powered peripherals were attached/detached, possibly causing the drive to not get the voltage it requires.  Not a very common issue, but still something to consider.

There's a simple way to see if this is the issue, though.  Stick the drive in a different system (external enclosure, etc...) for a while and see if it acts up.  Regardless of the issue, however, back up important files on the drive and don't wait.  If the drive is on the way out, it has been very kind in giving you a warning.

shmokes:

--- Quote from: RandyT on July 26, 2012, 05:47:40 pm ---
 It's also not beyond the realm of possibility that a PS operating right on the edge, or marginally faulty, would drop the voltage when powered peripherals were attached/detached, possibly causing the drive to not get the voltage it requires. 

--- End quote ---

Yes, this is perfectly possible. But it isn't what's happening. If the OP merely said that sometimes the drive spins up and other times the OS can't find the drive, I'd be all about fingering the power supply as the likely culprit. But jostling the cable would not cause the hard drive to suddenly spin up if that were the case. Grey-Area said that he can spin up the drive by jostling the wires, as like a reliable fix. Physically shaking wires does not affect the amount of electricity flowing through them. The problem described in the OP is clearly a short. And the short is not in the power supply because he tried multiple wires. It's the adapter or the hard drive.

What kahlid74 said here is not true. I know he said he's witnessed it, but I don't think he actually saw what he thinks he saw.


--- Quote from: kahlid74 on July 26, 2012, 01:14:47 pm ---Once all other systems cold booted to lower draw, the power cable can be re-jostled and give the questionable HDD a jump start.

--- End quote ---

Gray_Area:
What the ---fudgesicle--- happened?

Anyways. I got the Corsair. It doesn't have a plug for a socket on my mobo, like pictured below: 12v ATX - which runs the CPU. ........................        I guess I'm hosed, huh?

lilshawn:
wait what?!

how the hell did you get a power supply without an ATX12 plug on it? are you shopping at goodwill?!  :dizzy: i can't even... i don't even...

well chop off the atx12 plug off your old one and wire it up to the new one i guess  :dunno

yellow is 12 volts and black is ground. usually only high end power supplies have a seperate rail for the 12 volt lines used on the mobo. otherwise they all run to the same place.

how the hell...  :dizzy:

is this some sort of trick or test or?

MonMotha:
If you bought a new one, it probably has the newer style 8 pin plug for 12V.  They usually are separable so you can plug into the older 4 pin motherboards.

If you really did end up with a power supply without the ATX12V plug...um, stop buying 12 year old (no joke, that's the last time I had a mobo that didn't have that power requirement) hardware.

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