The customer is always.

One of your customers has shown up at your desk with his broken computer, and he’s visibly upset and quite vocal about the problem he’s having. He’s also asking for a very specific repair that doesn’t appear to have any relationship to his issue. What’s the best way to handle this difficult situation?

CompTIA A+ 220-701: 3.4 – Boot Options

Even before Windows starts, there are many options during the boot process. In this video module, you’ll learn how to configure the BIOS, use Safe Mode, and repair your computer with system recovery disks and the Windows Recovery Console.