Laptop DVD drive not showing in Device Manager..

chrisfixit used Ask the Experts™
Friend's laptop's DVD drive has stopped working .. it doesn't show in Device Manager.

She is running Vista HP SP2.

Any ideas or is it just broken?
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Click [Start] [Run] [Regedit]

Registry Key:  HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class
Key Name:  {4D36E965-E325-11CE-BFC1-08002BE10318}
Value Data:  [Delete All Value Data from UpperFilters and LowerFilters]

Note: Do not delete the Key or the Multi-String Values. Delete only the data values.
Exit Registry and Reboot
Do you by chance have someone that you can borrow a drive from? That must be the simpliest way to test if it is the drive or something else..
I suppose you alredy have tried to rescan hardware in Dev. Manager..

Or read the Microsoft document here
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Boot into your BIOS and see if the drive shows up there. If it does not show up in your BIOS then it is not a windows problem and most likely it is bad.
Try running this Microsoft Fixit. 
Dr. KlahnPrincipal Software Engineer

Agree with Grant1842.  First thing to check is whether the BIOS sees it.

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