how do I fix my cd rom. It quit working. Light works but computer cant find it

One of these may help:
1. Uninstall the drive through Device Manager.
Restart computer. The drive will be automatically reinstalled.
or...
2. Your CD drive or DVD drive is missing or is not recognized by Windows or other programs
Restart computer.
or...
3. Download, and run Restore Missing CD Drive patch
Double click on cdgone.zip to unzip it.
Right click on cdgone.reg, click Merge.
Accept registry merge.
Restart computer.
or...
4. Go to Device Manager, click a "+" sign next to IDE ATA/ATAPI Controllers.
You'll see two items:
- ATA Channel0 (or Primary Channel)
- ATA Channel1 (or Secondary Channel)
Right click on each of them, and click Uninstall. Confirm.
Restart Windows. They'll be automatically reinstalled.