cdrw drive missing from windows after virus

Recently a user in my house (I'm protecting the victim) opened a file called cmos.exe and who knows what else.
For some reason the anti-virus software (AVG) didn't catch the file(s) and some bad stuff resulted. Next time I rebooted I was greeted by a screen bearing "99 99 99 99 99 99 99 99No Operating System Found"!!!!
Fearing the worse I popped in the windows xp installation cdrom and activated the repair console and ran the fixmbr command. I was meaning to do that since I uninstalled linux and still had the old grub bootmenu popping up. So, that resulted in a successful boot back into XP with all my files intact by NO CDRW showing up i.e. no drive letter in explorer or from the command line. I tried upgrading the firmware for the drive (optorite cdrw-5202) and checked to see if the bios was able to detect the drive, it did, which goes without saying since I was able to run the xp install disc. I tried draining the cmos, I think, by removing the battery and waiting about 2 min and replacing it and rebooting. I also uninstalled the cdrw from the device manager and rescanning without any luck (in safe mode and and as administrator.) I'm really stuck on this one.
Thanks,
Bloodniece
bloodnieceAsked:
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war1Commented:
Greetings, bloodniece!

This is a known problem after installing Windows XP.  Follow the instructions here to get your CD-ROM back.

CD and DVD Restore in Windows XP
http://www.theeldergeek.com/restore_missing_cd_or_dvd_drive.htm

Best wishes, war1

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sunray_2003Commented:
sunray_2003Commented:
Try restoring or repairing


windows xp restore :
--------------------

HOW TO: Restore the Operating System to a Previous State in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;EN-US;306084 

HOW TO: Start the System Restore Tool from a Command Prompt in Windows XP
http://support.microsoft.com/?kbid=304449

HOW TO: Start Your Computer by Using the Last Known Good Configuration Feature in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;en-us;307852&sd=tech

Repair:
---------

http://www.webtree.ca/windowsxp/repair_xp.htm

http://support.microsoft.com/default.aspx?scid=kb;EN-US;307545 

How to Perform an In-Place Upgrade (Reinstallation) of Windows XP
http://support.microsoft.com/default.aspx?scid=kb;EN-US;315341

Sunray
bloodnieceAuthor Commented:
WAR1,
works like a charm.
Thanks a lot,
Bloodniece
p.s. i tried to accept your answer but, received an internal database error.
I'll try again later.
 >>>>>>>>>>>>>>Comment from war1
>>>>>>>>>>>>>>>Date: 11/20/2003 07:53PM PST
>>>>>>>>>>Greetings, bloodniece!

>>>>>>>>>This is a known problem after installing Windows XP.  Follow the instructions >>>>>>>>>>here to get your CD-ROM back.

>>>>>>>>>>CD and DVD Restore in Windows XP
>>>>>>>>http://www.theeldergeek.com/restore_missing_cd_or_dvd_drive.htm

>>>>>>>Best wishes, war1  
 
war1Commented:
bloodniece, glad to help. :) war1
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