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My laptop has a Matshita uj8b1as DVD/r/RW drive, and recently it started refusing to read data from DVDs, I thought there was something wrong with the setting of the software so I reinstalled Windows 7. But even with Windows 7 freshly installed, it still wouldn't read from a DVD.

I wanted to know if this is a hardware failure, so i tried loading a boot CD when the computer booted up. The drive read the boot CD without problems. but the Drive wouldn't read the DVD I put in there.

I also looked into •HKEY_LOCAL_MACHINE •SYSTEM •CurrentControlSet •Control •Class •{4D36E965-E325-11CE-BFC1-08002BE10318} and did not find upper and lower filters

When a DVD is loaded, I double clicked on DVD/CD RW drive in My Computer, the DVD R/RW ejects and says "Insert a disc, Please insert a Disk to Drive F:" I tried everything I knew how to do (reinstalling Windows 7, Uninstalling the driver and reinstalling it in Windows Device Manager) but I still couldn't fix the problem. I want to be able to use the drive again. I really appreciate your help!

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When I had a simi;ar problem I soon discovered a few months later that the drive simply stopped working entirely both in Windows and would refuse to be booted from. –  Ramhound Sep 27 '13 at 15:30
    
Possible Upper/Lower filters issues, try the fix described here, you have to be comfortable with editing your registry, but I know this used to do the trick for me all the time! superuser.com/questions/472462/… –  Callen L Sep 27 '13 at 15:36
    
@CallenL Thanks for your answer! i opened my Registry, but I did not see any of the 4 names (UpperFilters LowerFilters UpperFilters.bak LowerFilters.bak) listed there.. –  user22105 Sep 27 '13 at 15:53
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1 Answer

Try the Microsoft Fixit tool for CD/DVDs.

What it fixes...

  • Your CD or DVD Drive does not read or write and is shown as disabled
  • The media in your CD or DVD drive cannot be read
  • The media cannot be written to by your CD or DVD drive
  • You receive one of the following errors:
    • A class specific or device specific driver is missing or corrupt
    • A CD or DVD drive cannot be found or is not connected
    • The CD or DVD drive is experiencing a problem that prevents it from working properly
    • The CD or DVD drive is not accessible via an assigned drive letter
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thanks for your answer, I tried the Fixit tool, but it didn't fix the problem.. –  user22105 Sep 27 '13 at 20:29
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