#82. A customer calls and states that her computer will not boot. She hears noises and sees lights inside the box, but nothing shows up on the monitor. Which of the following is most likely the problem?
#83. After installing a sound card, the system locks up when a parallel port tape backup unit also runs. Which of the following is most likely the problem.
#88. A customer just installed a new CD-RW. The system was working fine before the installation, but now the CD-ROM is inoperable. What should you suggest the customer should do?
#89. The resolution on a new 19" Ultra VGA monitor was set to 640x480 at 16 colors. You change the resolution to 800x600, high color (16-bit), and the monitor goes blank. What is most likely the problem?