The book is intended for quickly mastering the principles and acquiring skills in setting up a PC using the basic input/output system (BIOS). The entire process of setting up the BIOS and the effect of BIOS settings on the operation of the computer is clearly described, step by step. Methods and techniques for increasing PC performance, connecting and setting up new devices, upgrading and repairing, and individually customizing the computer according to the user’s wishes and taste are considered. Recipes for solving many problems associated with unstable computer operation or freezes, troubleshooting methods are provided. For a wide range of users