Restart your computer. Windows will automatically "find" the drive and reinstall the correct driver during startup. 2. Fixing the "Upper/Lower Filters" (Common Windows 7 Bug)
If you have a specialized laptop (like an older Sony Vaio, HP, or Dell), some specific firmware might be needed for "Eject" buttons or special features.
If the drive is showing a yellow exclamation mark or isn't appearing at all, it's often a Registry issue rather than a driver issue.