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About Mike
Expertise
Areas of expertise: PC Hardware, Peripherals, Barcode Scanners, Printers, and Applications, Basic Networking, Microsoft Applications. I am good at researching issues and have a lot of contacts. So if I can't directly answer a question I can likely find the answer.
Areas I won't be much help in: Apple Computers, Linux, older Networking topologies like Token Ring.
Experience
I'm currently an IT Support Technician for a contract circuit
board manufacturer in Oregon, USA. I've been working on PCs from a hobby standpoint for better than 25 years. I've been doing it professionally for 3 years.
Education/Credentials
A+ Certification, Network + Certification, MCP, MCDST, MCSA (in process)
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You are here: Experts > Computing/Technology > Focus on PC Support > PC hardware--CPU & Motherboard & RAM > Computer won't turn on
Expert: Mike
Date: 5/12/2008
Subject: Computer won't turn on
Question
Hi,Mike. 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
You can try another connector from your power supply on the cd-rom drive but I rather doubt your computer not seeing the cd-rom drive is related to a failed wire from the power supply.
My guess is that it's due to a known 'bug' in the computer's registry so below is something to try to see if it fixes the problem.
Try deleting the upper/lower filters:-
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
1. Click Start, and then click Run.
2. In the Open box, type regedit, and then click OK.
3. Locate the following registry subkey:
HKEY_LOCAL_MACHINE/System/Curretcontrolset/Control/Class/{4d36e965-e325-11ce-bfc1-08002be10318}
4. On the File menu, click Export.
5. In the File name box, type savedkey, and then click Save.
6. Click the REG_MULTI_SZ data type UpperFilters, and then click Delete on the Edit menu. When you are prompted to confirm the deletion, click Yes.
NOTE: If this data type is missing, continue to the next method.
7. Click the REG_MULTI_SZ data type LowerFilters, and then click Delete on the Edit menu. When you are prompted to confirm the deletion, click Yes.
8. Quit the Registry Editor, and then restart the computer.
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