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no power to drives
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Original Message
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Name: Steve
Date: August 2, 2003 at 09:30:44 Pacific
Subject: no power to drivesOS: Windows MECPU/Ram: AMD Athlon 1.2, 128 RAM |
Comment: At first my PSU blew, so I replaced it. The PC worked fine for about a day. Then, I downloaded something, left the room, and when I came back the PC was on but the monitor showed "no signal input." Now, when I turn the PC, only the case fan comes on -- no power to any of the disk drives, nor to the harddrive. There are two indicator lights on the front: strangely, the green one AND the orange one come on and STAY on. Opened the case: all connections are fine. What could this be? I am pretty sure I got a fitting PSU to replace. BTW, there seemed to have been a bit of a smokey smell that night before this happened.
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Response Number 1
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Name: SkipCox
Date: August 2, 2003 at 11:10:38 Pacific
Subject: no power to drives |
Reply: (edit)Steve, Are you comfortable using a volt meter? If so, you should have +12vdc between the yellow wire and the black wire next to it and +5vdc between the red wire and the black wire next to it as shown here. http://sunsite.tut.fi/hwb/co_BigPower.html If you don't, then no power to drives.
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Response Number 2
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Name: Steve
Date: August 2, 2003 at 11:58:06 Pacific
Subject: no power to drives |
Reply: (edit)SkipCox, Thanks for the tip, but I don't think my knowledge is sufficient to deal with that. Nor do I own a volt meter. However: what could cause the voltage to mess up?
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Response Number 3
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Name: jake
Date: August 2, 2003 at 12:50:59 Pacific
Subject: no power to drives |
Reply: (edit)Practically anything on your system could be defective and burning out your power supply. That is an extremely difficult and 'possibly' costly problem to solve.
I suggest starting with the minimum and going from there. Disconnect all the drives (power and signal) and pull ALL the cards. Power up and see if you get a POST beep. If you do then you could start reconnecting things one at a time, starting with the video card.
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Response Number 4
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Name: SkipCox
Date: August 3, 2003 at 17:06:05 Pacific
Subject: no power to drives |
Reply: (edit)Steve, If jakes' try didn't help, you need to get your machine to a tech and see if voltage is present from the +12vdc rail...or just replace the power supply. Good luck, Skip
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