I had the same sort of problem.
Turned out to be Trend Micro, pc Cillan was causing some sort of conflict,
don't know how, once I uninstalled it......it fixed itself.
Now gone to a different anti virus.
--
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www.users.bigpond.net.au/funguy
A person of very many talents.
"Lorne" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Greetings all,
> a puzzling issue here.....
> my cd rw shows up in My Computer and the device manager and in the BIOS
> but it will not read any discs!! i've tried replacing the cd rw with an
> identical drive as well as a DVD RW with the same results.
> i have checked settings everywhere and all seems correct.
> I did have an issue with the front mounted usb ports not recognizing a San
> Disk flash drive and resolved that issue by changing the drive letter
> (there were mapped drives using the E,F, and G drive letters. I renamed
> those drives with X,Y and Z and renamed the flash drive letter to L.....
> now the USB recognizes everything plugged into it....
> could this be somewhat related to the DVD RW (drive letter D)? or is this
> something with windows?
>
> any suggestions are greatly appreciated.
>
> Thanks so much
>
>