Those are aggressive solvents that can melt ABS plastic. Stick to original WD-40.

Given that Windex and WD-40 are dangerous, how does one actually fix screen imperfections? The answer depends heavily on the type of damage.

Windex WD Repair: A Technical Assessment of Surface Restoration, Ammonia-D Chemistry, and Practical Applications

: A command-line utility ( chkdsk /f /r /x ) used to repair file system errors and locate bad sectors on WD My Passport or Elements drives. Hard Drive Refurbishing and Selftest Tools and Software

The drive makes a rhythmic clicking sound (the "Click of Death"), a faint beeping sound, or a grinding noise. This indicates the read/write heads have failed or are physically stuck on the platter surface.

If you sprayed Windex (or a similar glass cleaner) directly onto a screen, keyboard, or into the vents of a device and it stopped working, here is the repair protocol.

If you are using a branded, specialized tool, check the for troubleshooting support, as they manufacture Windex. Preventive Maintenance to Avoid Repairs

: It is Windows-based software that supports firmware (FW) and scripts up to 32 GB .

The vane fails to turn freely in light winds, typically caused by corrosion, salt deposits, or a worn bearing.