My guess is that the memory modules are not properly seated. Sometimes, it can look like the memory module is properly inserted, but is not -- even being out by 1mm at one end makes the difference. Remove the memory modules you added, then add them in one at a time. Here are some tips for what to look for: 1. Insert one. 2. Listen for the clicks as it snaps into place. 3. Look at the metal tab at each end, and ensure that it is fully seated. 4. Look along the bottom edge of the memory module to check that it is parallel to the slot. Try booting again, with the case of the computer open, in case you still need to adjust things.

Logitech used to include an extender with their nanoreceivers; it is two inches long. As for using a USB cable as the extender, a short one will do, such as six inches. Even long ones work fine, if you need to run the cable behind a desk or something.

It is speech that people disagree with that needs protection. All other speech is already free.

I think that Google will keep the less-secure option. Keep in mind that data-mining is the only thing Google is interested in. If a product or service returns user data to Google, then it holds on to it. Desktop software like Picasa had to be killed because we could use it under the radar. By offering the less-secure option, Google gains access to many more email accounts, whose data it can harvest.

Pen plotters were horrible and slow, but the technology with the best price-performance of the time. Electrostatic plotters were faster and more reliable, but horrifically expensive.

DualCAD is an abandoned software project.

The beeping means the computer cannot access memory. The memory cards must be exactly snapped into place. Sometimes this takes two or three tries, I have found.