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.
Use this sizing chart as a guideline in determining your helmet size. To measure correct helmet size, measure around the head, one inch above the eyebrows and match inch measurement to chart. If between sizes, it is suggested to go with the smaller size. The interior padding of your helmet will loosen and form to the shape of your head the longer it is worn.