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09.03.2003 at 08:15PM PDT, ID: 20728458
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7.6

Dead Power Supply, or dead motherboard?

Asked by locutis76 in Computer CPU Processors

Tags: , , ,

I have an AMD XP 2400+, ASUS A7V8X-X motherboard, 512 MB RAM, ATI Radeon 9000 Pro, 1x CDROM, 1x CDRW, 1x modem, 1x SCSI card, 2x hard drives, 1x floppy drive.  I have a 300 watt power supply (although an article on Tom's Hardware indicates you can't always believe you'll actually get that).

I attempted to install an extra SCSI card and a 5th hard drive.  When I turned my PC back on, the power light blinked on for a millisecond, then off.  After that, it was completely dead.  It should be noted that I was trying this extra SCSI card (PCI) and hard drive because I was having problems with this setup in another machine and I wanted to test to see if it was the drive or SCSI card.  Could the SCSI card have fried the motherboard?  The SCSI card is a ATTO ExpressPCI UL2D, and the 5th hard drive was a 10,000 RPM SCSI drive (rated at 0.8 amps at 5v and 1.1 amps at 12v).

The LED on the motherboard is on.  I tried resetting the BIOS, unplugging all peripherals (except for floppy drive), and I checked the fuse on the Power Supply.  I even tried a different power cord.

This evening I thought I would try again, and it powered up!  Only problem is the display was garbled . To view a photo of the garbled screen, see:

http://www.camgiesbrecht.com/ps/

I had noticed a slight electrical hot/burning smell coming from the power supply for about the last 2 months, and recently my motherboard has not seen my IDE devices on POST (most likely due to not being powered, however I could never confirm this myself).

There is nothing visibly "blown" inside the power supply, but I do fear the worst:  did I blow the motherboard, the power supply, or BOTH (worse!)?

Any help would be greatly appreciated.

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[+][-]09.03.2003 at 09:08PM PDT, ID: 9285005

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About this solution

Zone: Computer CPU Processors
Tags: dead, power, supply, motherboard
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Solution Provided By: AlbertaBeef
Participating Experts: 3
Solution Grade: A
 
 
[+][-]09.04.2003 at 05:12AM PDT, ID: 9287328

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[+][-]09.04.2003 at 05:37AM PDT, ID: 9287521

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[+][-]09.04.2003 at 05:54AM PDT, ID: 9287636

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[+][-]09.04.2003 at 08:05PM PDT, ID: 9293083

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[+][-]09.04.2003 at 08:34PM PDT, ID: 9293202

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[+][-]09.04.2003 at 08:57PM PDT, ID: 9293296

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[+][-]09.04.2003 at 10:55PM PDT, ID: 9293654

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[+][-]09.05.2003 at 05:36AM PDT, ID: 9295301

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[+][-]09.05.2003 at 12:27PM PDT, ID: 9298257

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[+][-]09.06.2003 at 02:38PM PDT, ID: 9302782

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[+][-]09.06.2003 at 03:07PM PDT, ID: 9302967

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