hello everyone... in My Computer my CD ROM Drive is missing... i cannot USE CD now because i dont know how to open it... even in autorun.. but i heared it was running/reading everytime i insert he cd, but stops later... maybe a accidentally delete the software of cd.... is there any way to restore it without reinstalling the OPERATING System...? please HELP...

Acer aspire 4315
Intel Celeron 2.13Ghz
RAM 2GB (upgraded)
32-bit Operating System
Windows Vista Home BasicHere are some things to try:

1. Uninstall the drive through Device Manager.
Restart computer. The drive will be automatically reinstalled.
or...

2. Delete Upper & Lower Filters
http://support.microsoft.com/kb/982116
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.
The CD-ROM drive won't open? As in physically open?thanks a lot Allan... its now working.. i made the first option... thank you..You're most WELCOME.