How to edit boot.ini

The steps are as follows,

1. Right-click My Computer, and then click Properties.
-or-
Click Start, click Run, type sysdm.cpl, and then click OK.

2. On the Advanced tab, click Settings under Startup and Recovery.

3. Under System Startup, click Edit.

Alternative method:

You can also edit boot.ini through command prompt through the command edit boot.ini