This is the best i can come up with then(hope it helps)
"Incorrect function" error message when you access the CD-ROM drive, the
DVD-ROM drive, or the CD-RW drive
http://support.microsoft.com/default...b;en-us;315350
Roy Mac wrote:
> None at all Bob. As far as the device manager is concerned, "this device is
> working properly".
>
> "Bob I" wrote:
>
>
>>Any error code on them in the Device Manager?
>>
>>Roy Mac wrote:
>>
>>
>>> Having scanned this BB I realise I'm not alone with this problem but none of
>>>the solutions I have seen have worked for my PC. Specifically, I cannot
>>>access my "A" drive (actually a LS-120) nor my DVD or CDRW drives. All I get
>>>is the dreaded "A:\ is not accessible Incorrect function". They are visible
>>>in "my computer" and the "A" drive is fully functional in safe mode. I can't
>>>use my USB flash stick either. Like a previous poster, my flash stick was
>>>accessible as long as it was connected at boot up. I have just upgraded
>>>Norton Internet Security from 2002 to 2004 but the trick of disabling NAV
>>>auto protect did not work. I have XP Home SP2. Any more clues would be
>>>gratefully received.
>>>
>>>
>>