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About Bobbert
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Questions related to processors and memory from roughly a decade of personal experience, willing to take a stab at any question you might have, with knowledge reaching from the AMD K7 (Athlon, AthlonXP, Duron, Sempron) to the AMD K8 (Athlon64, Athlon64 FX, Opteron, Athlon64 x2) generation, and from the Intel Pentium III to Core 2 generation, as well as accompanying technologies, including mainboards, chipsets, and memory.

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Computer enthusiast and hobbyist.

 
   

You are here:  Experts > Computing/Technology > Focus on PC Support > PC hardware--CPU & Motherboard & RAM > Computer wont turn on

Topic: PC hardware--CPU & Motherboard & RAM



Expert: Bobbert
Date: 5/12/2008
Subject: Computer wont turn on

Question
Hi, Bobbert. One day I realized I couldn't install a cd software on my computer because in the my computer window the E-drive icon wasn't in there. I was told from a few people at allexperts.com it either is a defective E-drive device or I could open the case to unplug and replug the wires to the back of the E-drive device & the Motherboard to turn it on again to see if the E-Drive icon would come back inside the my computer window. I unplugged & replugged those two wires inside the computer and now it won't turn on. I was told from a few people at askexperts.com it might be a faulty wire inside the computer that will not make it turn on. I have a multi-meter with probes I was expected to have in the HVAC field. I'm out of the field now since I got laid off as a helper's technician last spring. I then found another job into the HVAC business with a different company. But this time it was in the installation department, not the service dept. This Employer was mean & nasty to me for no reason when I always showed him respect. So I quit and developed this believe that perhaps this is not what I'm supposed to do in life.  Will this tool let me know which wire inside the computer is bad? If it will, what would I have to do to discover the faulty wire? This smart-meter measures volts, amps, ohms and continuity. Which one of these settings does it have to be on to search for the faulty wire? Thank you in advance for your time. Have a blessed day.


Answer
I'm assuming we're talking about an optical media drive, such as a DVD-ROM device? There should be a 4-pin molex connector, wired yellow, black, black, yellow, the first yellow-black pair next to one another should carry +12VDC (yellow is hot) while the black-red pair next to one another should carry +5VDC (red is hot), roughly 10% variance is allowed.

Can you provide some more information about the hardware in the computer?

-bob


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