What is perc?

September 21st, 2024

What is the product of all whole numbers less than 100 whose names (in English) contain a subset of the letters e, f, g, h, i, t, n, r, with no letter appearing more than once per number?

October 8th, 2024

I have reformatted my computer and reinstalled Windows XP, but now my sound cards, network cards, and USB devices do not work. The device manager shows them with a yellow question mark, indicating that the drivers are not installed. The drivers should be on the XP disc, but they are not. I need to connect to my home network to access the internet, but I can't identify the Ethernet device to download drivers from another PC. What can I do?

February 26th, 2023

How can I remove a background from my screen? I have tried the usual method of changing it through properties, but it won't let me.

March 14th, 2024

When I turned on my laptop this morning, the screen was about 4 times as big as the laptop face. I could not see all of the screen and could not find AOL on the part that I could see. What should I do?

May 10th, 2023