please answer questions 4

1. If you remove an AGP video display adapter and replace it with a PCle video display adapter, what must you do to be sure the Windows desktop will display properly? 2. Your nephew Brian visited and used your computer last night, and this morning your monitor is dead. What should you do first, second, and third? 3. What can happen if the refresh rate for a CRT is set too high? 4. Teresa installed a new game, but she is frustrated because it responds too slowly. What might she check? 5. Taylor installed a new video display adapter, but the best setting he can adjust it to is 800 x 600 resolution with 256 colors. What must he do to make it go higher