单选题A user, Jill, is reporting her mouse is moving when Jill is not moving it, and the computer is running slower than normal. Which of the following is the FIRST action that Karen, a technician, should take?（）A Run chkdsk.B Run an antivirus program.C Repl
题目
单选题
A user, Jill, is reporting her mouse is moving when Jill is not moving it, and the computer is running slower than normal. Which of the following is the FIRST action that Karen, a technician, should take?（）
A
Run chkdsk.
B
Run an antivirus program.
C
Replace the faulty mouse.
D
Remove any recently added hardware.