CD ROM reconition.

Check your performance tab under the system control panel, if you are in dos compatability mode, then you probably have a virus. I've run into this with boot sector infectors like "antiexe".

If you have multiple drives (or multiple partitions) that are being assigned drive letters, and windows is not in true 32-bit mode, you may be out of drive letters. To increase the number of dirve letters, add the following line to c:\config.sys:Lastdrive = z:

To put windows into true 32-bit mode, you will probably have to reinstall the operating system.

Just a thought:
We get people who buy cdr's at work and the odd time they bring it back and say it is not working. We check it out and replace it with a new one.
Food for thought.

REMOVE DOS DRIVERS!!!!!!

check that the IDE controller drivers are loading in windows, if not may be a boot sector virus on second controller driver may not have been installed. do search for new hardware in control panel

Check system, performance in control panel to see if running HDD in dos compatibility mode. if so may be a boot sector virus

check if bios settings show auto or cdrom set to none, if shows none do set to auto

Is the on the second IDE connection or slaved off the hard drive? Some computers are shipped with the second IDE connection disabled. You need to check the bios for that and make sure it is set to slave on a piggy back connection.

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