What Is One Way to Resolve a "Missing Hal

Multiple Choice

What is one way to resolve a "missing hal.dll" error in Windows 7?

A) Download Hal.dll from the Internet and replace it in the System32 folder.
B) Copy Hal.dll from another computer and replace it in the System32 folder.
C) Run Startup Repair from the Windows 7 installation DVD.
D) Delete the Hal.dll file from the System32 folder.