Startup Routine

•          1. During the POST, the BIOS tells drivers to “test themselves” and report back

•          Problems are flagged either by beeps codes or by messages on the screen

•          e.g. 301 Keyboard failure

•          2. Bootstrap Loader

•          3. Master Boot Record

•          IO.SYS

•          NTLDR

•          After this the operating system takes over