Professor Messer

Operating System Not Found?

As part of a system upgrade, you’ve removed the SATA hard drive of a desktop computer and replaced it with a new SATA drive purchased from a local retailer. When you start the computer, you receive the message “Operating System Not Found.” What is the most likely problem?

Why can’t my computer recognize a new RAM module?

You’ve upgraded the memory in a computer by adding an additional memory module to the motherboard. After powering the system up, the BIOS doesn’t show any errors but it also doesn’t show any additional memory in its memory counts. What is the best next step to troubleshoot the problem?

What is MAC filtering?

You’ve been asked to configure a wireless access point for use on the company network. As part of your overall security policy, you’ve been asked to enable MAC filtering as part of the configuration. What is MAC filtering?