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Old January 24, 2008, 07:49 PM
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Unhappy DVD drive causing system reset

Got the call to check out a friend's machine. Every time they put a CD or DVD in the drive, the system immediately resets. Problem persists even after I replaced the drive with an IDE LG Drive that's worked fine in my machine for 12 months.

Any ideas as to the cause? This system has apparently been stable for over 2 years. No O/C, just stock AMD 3200+.

Would a flaky PS maybe cause this? I've got a spare I can throw in there for him, but don't want to unless I'm sure it will fix the problem.

Thanks.
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Old January 24, 2008, 08:19 PM
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A PSU might cause this, but my first step would be to try a bios reset. Could be that something just went flakey in the resources that the IDE channel is using. (Chances are... even if it's a SATA drive, it's still on the default of IDE mode).
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Old January 24, 2008, 10:09 PM
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try a new cable too, if you havnt already. does his original drive work in another pc?
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Old January 25, 2008, 11:06 AM
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My guess is PSU. But before replacing the whole PSU just try another connect from a different rail. In other works find a connector that is not on the cable that its plugged into now.
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Old January 25, 2008, 03:50 PM
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Thanks for your responses.

I didn't test the old drive in another machine because replacing the DVD drive fixed the problem initially. I turfed the old drive, then got the call that they were still having the same problem.

So, I'll clear the CMOS, check the bios settings, put a different PATA cable in, and try another power connection as per all your suggestions. If that doesn't do it, I'll try replacing the PSU. After that it's build a new system time. I'm just trying to save my friends some cash. I got a bad feeling that it's a mobo problem tho.

I never ran into a problem like this back when I was a tech, and its been a few years since a problem has stumped me like this one.


Cheers,
Gord
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Old January 25, 2008, 04:47 PM
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Electrical short in the optical drive causing power supply to ground out and reset.
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Old January 25, 2008, 04:55 PM
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Quote:
Originally Posted by enaberif View Post
Electrical short in the optical drive causing power supply to ground out and reset.
Ha floppy do that, it would power up for half a second then shut down.
BIOS was set to not reset after power failure.
Replaced the floppy everything was good.
But the OP said he replaced the drive and the problem still persisted
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Old January 25, 2008, 05:01 PM
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Quote:
Originally Posted by Supergrover View Post
Ha floppy do that, it would power up for half a second then shut down.
BIOS was set to not reset after power failure.
Replaced the floppy everything was good.
But the OP said he replaced the drive and the problem still persisted
OOPS! Missed that part then I'm gonna say theres a problem on the 5v rail somewhere.
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Old January 25, 2008, 05:31 PM
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I've changed my mind. I think it is a PS problem. The system goes down as soon as the drive starts to spin up after inserting a disc. Thats when the motor draws the most power, upon startup. So it would make sense that if the +5V rail was faulty, the voltage would drop to low or zero automatically resetting the board. The drive stops spinning and voila! the computer boots back up. Make sense to you readers out there?

I'm still going to try the other solutions as mentioned before, but I don't really expect them to solve the issue. I could be pleasantly suprised I guess.

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