To remove motherboard varnish, you can use isopropyl alcohol (preferably 99%) or specialized electronic cleaner. Soak a cotton swab or a soft cloth in the solvent and gently rub the varnish until it dissolves. Be careful not to damage any components or traces on the motherboard. Always ensure the motherboard is powered off and disconnected from any power source before attempting this.
To remove varnish from any surface, use Acetone. Acetone is also in nail varnish remover.
Yes, mineral spirits can effectively remove varnish from a surface.
Sometimes wood needs to be re varnished or restrained. To remove old varnish, you can use either a paint stripper or sand off the old varnish.
Bleach
You'll need to use some lacquer thinner and a wire brush to remove any varnish on brick.
You can remove varnish from tiles by making a paste that contains two parts calcium carbonate, one part trisodium phosphate and some water. Using a putty knife, spread the paste over the varnish and allow to sit for 30 minutes. Use a plastic putty knife to remove the paste and varnish, scraping along the tiles as you go to remove as much of the varnish as possible. Rinse the tiles with warm water and pat dry with a clean, dry cloth.
scrub, scrub, scrub...
methylated spirits
use a nail varnish that doesn't contain acetone as the acetone dissolves the acrylic!
Your motherboard may need to be changed when your CPU is upgraded.
Applying kerosene on varnish can potentially dissolve or damage the varnish due to its properties as a solvent. It may also alter the appearance or finish of the varnish. It is not recommended to use kerosene on varnish surfaces unless you are looking to remove or strip the varnish entirely.
The reason Nail Varnish removcer removes all nail varnish is because it contains certain chemical that help it get rid of the nail enamel. While water actually helps the nail varnish dry quicker if poured on wet nails.