How can you rebuild the boot sector?

You’d like to rebuild the boot sector of a computer from a Windows XP recovery console. What recovery console utility can be used to rebuild the boot sector?

A) ntdetect

B) bootcfg

C) ntldr

D) fixboot

The answer: D) fixboot

The recovery console is a very useful feature, and many of the console commands can make the difference when troubleshooting a difficult problem. As long as you have the administrator password, the fixboot command can quickly rebuild a boot sector.

Want to know more? Watch “Dealing with Errors.”

Errors with the boot sector or operating system boot files create massive problems for CompTIA A+ certified professionals. In this video, we’ll discuss boot sector errors (invalid partition tables, operating system not found), operating system boot file problems (NTLDR is missing), and application startup problems.