Refer to Roxio knowledge base EEZ000005 even if Roxio software is not or has never been installed. Since their KB is rather hard to handle, the fix is:
1. Uninstall Roxio or any other CD burning software, Iomega Hotburn (Heartburn??), or others. This is only Roxio and Microsoft's suggestion. I have used this fix MANY times and it always helps even if I don't uninstall everything related to CD writing. Many times you can't since the original software may not be available.
2. In regedit, go to HKLM, System, CurrentControlSet, Control, Class and find the following key:
{4D36E965-E325-11CE-BFC1-08002BE10318}
3. Highlight this key and in the right-hand panel find the entries for Lowerfilters and Upperfilters. Right click each of these and delete them.
4. Restart the system and the D-ROMs. CD-RWs, or DVD-RWs should be back.
5. Reinstall any software that was removed in step 1.
This is always a first step to recovering lost CD devices. Another step that we use is to boot to safe mode and go to Device Manager to find and delete left over ghost devices. Sometimes we'll find several old, previously deleted devices, particularly CD devices but often video cards, NICs etc that are no lnger present or you'll find duplicates, like 3 or 4 D-ROMs when only 1 is actually present. Most often with the CD problem, we "Uninstall" all CD drives from here and let Windows re-add them cleanly on the next startup. Of course, be sure to check cable connections especially is system has been moved or shipped by UPS, etc. We also find that CD drives act better if we jumper them for Master and Slave instead of Cable Detect. If you have 2 IDE channels and use SCSI hard drives we use the primary and secondary IDE channels to seperate the CD-drives even more.
Regards, Ken
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Refer to Roxio knowledge base EEZ000005 even if Roxio software is not or has never been installed. Since their KB is rather hard to handle, the fix is: 1. Uninstall Roxio or any other CD burning software, Iomega Hotburn (Heartburn??), or others. This is only Roxio and Microsoft's suggestion. I have used this fix MANY times and it always helps even if I don't uninstall everything related to CD writing. Many times you can't since the original software may not be available. 2. In regedit, go to HKLM, System, CurrentControlSet, Control, Class and find the following key: {4D36E965-E325-11CE-BFC1-08002BE10318} 3. Highlight this key and in the right-hand panel find the entries for Lowerfilters and Upperfilters. Right click each of these and delete them. 4. Restart the system and the D-ROMs. CD-RWs, or DVD-RWs should be back. 5. Reinstall any software that was removed in step 1. This is always a first step to recovering lost CD devices. Another step that we use is to boot to safe mode and go to Device Manager to find and delete left over ghost devices. Sometimes we'll find several old, previously deleted devices, particularly CD devices but often video cards, NICs etc that are no lnger present or you'll find duplicates, like 3 or 4 D-ROMs when only 1 is actually present. Most often with the CD problem, we "Uninstall" all CD drives from here and let Windows re-add them cleanly on the next startup. Of course, be sure to check cable connections especially is system has been moved or shipped by UPS, etc. We also find that CD drives act better if we jumper them for Master and Slave instead of Cable Detect. If you have 2 IDE channels and use SCSI hard drives we use the primary and secondary IDE channels to seperate the CD-drives even more. Regards, Ken