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PC not detecting CD/DVD drives

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Old May 11th, 2005, 12:59 PM   Digg it!   #1 (permalink)
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PC not detecting CD/DVD drives

I am having a problem. I looked at my dads PC about a week ago and decided to reformat it. After the reformat it started to freeze at the'checking NVRAM' part. As well as this, following a couple of restarts both drives, a cdrw and a dvd, disappeared out of 'My Computer'. I cleared the CMOS which appears to have sorted out the freezing at the NVRAM but the drives are still missing. Can anyone give me some advice?
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Old May 11th, 2005, 01:20 PM     #2 (permalink)
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You'll need to give us more info to better help you. What mobo are you using? Are they optical drives connected to an add-in controller or to the mobo? Have you reinstalled the drivers for your ATA controllers?
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Old May 11th, 2005, 03:57 PM     #3 (permalink)
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This can usually be fixed by deleting the upper and lower filters in the registry. You can find instructions on how to do this here:
http://www.the-predator.com/dell/detect.html#1-0-8
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Old May 11th, 2005, 10:14 PM     #4 (permalink)
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I don't know what sort of mobo it is, i can't find anything on it to say. The opticals are connected directly onto it. I tried the solution posted here, but i still can't see any drives in 'My Computer', all i can see is the HD and the floppy. Any more ideas?
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Old May 11th, 2005, 11:11 PM     #5 (permalink)
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Old May 12th, 2005, 12:52 PM     #6 (permalink)
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Cheers Guys, I changed the jumpers an that appears to have done the trick. Once again, thanks for the help.
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