You have used your computer for several months without any issues. Recently, you have noticed that when you perform speicific actions or open certain files, your computer rashes, and programs sometimes freeze. You suspect that hard disk issues are the cause. Which of the following tools would best verify and fix disk errors?

- format
- Bootrec. exe
- chkdsk
- Diskpart

does your school have a tech support number? call your tech support! : d

since it can be assumed that what aslam is making is a template by compiling all the commonly used excel formatting in several worksheets in an excel document, aslam can choose to save it using the .xltx or .xltm format instead. thus, aslam can distribute the templates he has made to his team members in an easier manner.