How to remove unwanted device drivers from your computer

 1.Right-click “Computer” on the Start menu (or on the desktop ) and choose Properties.

2. Click on “Advance System Settings” link, and then click on the “Environment Variables” button.

3. In the System Variables section click on the “New” button.

4. In the New System Variable dialog box, under the Variable Name value enter

devmgr_show_nonpresent_devices 

and give it a variable value of 1.

Click Ok.

i have done it here as you can see

after that log off and log back

or restarts computer

go to device manger and click on show hidden devices

then you can find the disabled  drives as follow with dim color

delete them so one by one