Geek79: Remover drivers não usados do Windows 7

1. Go to Control Panel and double click on System. You can also right-click "Computer" on the Start menu (or on the desktop if it's shown there) and choose Properties.

Note: A faster way for opening up the System applet is to press the Windows logo key on your keyboard and then press Pause/Break at the same time.

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 enterdevmgr_show_nonpresent_devices (just copy the value from here and paste it there) and give it a variable value of 1.

Click Ok.

5. In the Environment Variables window notice how the new variable appeared in the System Variables section. Click Ok.

6. In the System Properties window click Ok.

7. Log off and log on.

8. Open Device Manager (Control Panel > System > Hardware > Device Manager).

9. From the View menu click Show Hidden Devices and notice the change.