Replacing the Keyboard. For more-precise instructions on how to replace your particular laptop keyboard than the general steps provided here, check online. There's a small chance that your laptop is unique and has a very different replacement process from the standard one outlined here.
To measure your head for a wig, use a cloth tape measure that has not been stretched for accuracy. 1  Forehead to Nape Start the tape from the center of the front of your hairline, to the hairline at the nape of the neck. If you have little or no hair, lay your index, third, and ring finger flat against your forehead just about at the brow bone. At the top of the three fingers would be a good straight point.
If you can't find a tape measure, repeat the above steps using string. Once you have it wrapped properly around your head, mark it and measure it against a ruler. 3. If for some reason you can't measure your head, you should be able to find your head size using hat size.Check the tag on your favorite well-fitting hat--it will give you a rough estimate of the correct helmet size.eep the measure level from the front to back of your head (you can use a mirror or have a friend help you). Don't wrap it too tight or too loose. Record the circumference in inches for US and UK sizing or centimeters for European sizing. 2.