Answer:
A setting may have been changed which can cause any number of problems.
Explanation:
Settings relating to how the device boots (usb flash drive instead of the computer's hardware), as well as safe modes. It depends on the setting, what the effect is. Simply put, it can resolve conflicts which may occur between what the comuter can do and what it was set to do.
B (locate web pages related to specific subject); can search to find books on certain topics
You didn’t explain your question correctly so I can’t help you
