X301 (Type 2774) - optical drive not recongized under windows 7

Dear Lenovo Community,
I have a specific problem regarding my optical drive - hope someone can help! I installed windows 7 on my lenovo X301 2774-AH5 - since then the optical drive is not recognized any more by the operation system (everything worked out fine beforehand under XP). In a first attempt I ordered a new drive - but the problem persisted - sent the new drive back and re-inserted the original drive. The device manager lists the drive (Mathsita DVD-RAM UJ-844) and reports the following regarding the device status:
Windows cannot load the device driver for this hardware. The driver may be corrupted or missing. (Code 39)
The following driver is currently installed:
Microsoft, installed: 21/06/2006; driver version: 6.1.7601.17514
I tried to install the latest driver via the lenovo web-page:
http://support.lenovo.com/en_US/downloads/default.page?
However, no drivers seem to be available for the combination: X301 / windows 7 / optical drives.
Any suggestions?
With many thanks and greetings,
Michael
Solved!
Go to Solution.

Hi Michael,
Welcome to Lenovo Community Forums!
I’m sorry to hear that Optical drive of your Lenovo ThinkPad X301 is not recognized in Windows 7.
Is the optical drive powered on?
Ensure that optical drive is enabled in BIOS. Go to control panel -> Device manager and uninstall the driver listed under DVD/CD-ROM drives. Reboot the system, scan for hardware changes and check if the optical drive is working fine.
If the above said didn’t help to resolve your concern, try doing a registry edit. Refer this Microsoft KB article and follow the instructions.
Hope this helps!
Best regards,
Mithun.
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