March 26, 2012

Why dvd drive not working in Windows 7


If you’ve recently installed Windows 7 or Windows 7 RC x64 and x86, you may have found a problem with the CD or DVD drive. Most commonly these will be either that the CD/DVD drive is not working, is causing some problem, has disappeared, is missing, not recognized, not found or you’re experiencing some general error. 

If you’re running Windows 7 x64 or x86 and find that your CD or DVD drive is not working, not being detected, missing or even gone. This windows 7 support blog will help you to fix DVD drive not working error with following step-by-step guide below -


Step1: Click "Start". 

Step2: Now type "regedit" in Run, registry editor will be opened.

Step3: In the navigation pane, locate and then click the following registry subkey:"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}"(without comma) .

Step4: In the right pane, click on "UpperFilters". You may also see an UpperFilters.bak registry entry. You do not have to remove that entry. Click "UpperFilters" only. If you do not see the "UpperFilters" registry entry, you still might have to remove the "LowerFilters" registry entry. 

Step5: Now go to "edit" menu and click on "delete" button, then "Yes".

Step6: In the right pane, click "LowerFilters". 

Step7: Now again go to "edit" menu and click on "delete" button, then "Yes".

Now exit from registory editor and its time to restart your computer again.

Note: If you didn’t find the "UpperFilter" or "LowerFilter" in your registry this method may not be applicable to your computer. Go to command prompt and type "bcdedit /set loadoptions DDISABLE_INTEGRITY_CHECKS" and press "Enter".

Again restart your computer.

Feel free to get online technical support to fix your computer problems. Just Call on Toll-Free number(1-866-541-1792) & get 24*7 expert help for online diagnostic and troubleshooting.



Also find here  how to dual boot with Windows 7 and Windows 8 on a Computer.

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