Computer Overheating?

Here is the inside of a computer I’m working on. Symptom: It doesn’t power on. Here is a shot of the power supply unit (PSU): Please try to keep dust and dirt out of your computer. Once a year, open it up and shoot the insides with canned air to get the dirt out. If […]

Inside Your Computer

“How does a computer work? The critical components of a computer are the peripherals (including the mouse), the input/output subsystem (which controls what and how much information comes in and out), and the central processing unit (the brains), as well as human-written programs and memory. Bettina Bair walks us through the steps your computer takes […]

Tetris Rewards

Pull up the original Tetris on Nintendo or using an emulator and play the B-Type game. When you clear enough lines to get the Success! message, what’s with the random reward screens? Giant penguins walking behind the Kremlin? Ufo’s? Pterodactyls? “Good” blimps? The Rocket-propelled onion tops makes sense though. Dr. Mario also had weird ones.

Mother of All Demos

“The Mother of All Demos is a name given retrospectively to Douglas Engelbart‘s December 9, 1968, demonstration of experimental computer technologies that are now commonplace. The live demonstration featured the introduction of the computer mouse, video conferencing, teleconferencing, hypertext, word processing, hypermedia, object addressing and dynamic file linking, bootstrapping, and a collaborative real-time editor.”

Gateway NV5207u / MS2274 Repair

—-UPDATE BELOW: Repair successful—- I have a repair issue that I am currently looking for a solution. Any tips, hints, or recommendations will be appreciated. A Gateway NV5207u / MS2274 has recently come into my possession. It does not turn on when I press the power button (on the right side of the screen hinge). […]

80/20 Rule of Computer Repairs

Every occupation or industry has an 80/20 rule (Pareto Principle). 80% of your sales come from 20% of your customers. 80% of your profits come from 20% of the time you spend. 80% of the injuries or accidents are caused by 20% of the hazards. For computer repairs, 80% of the time is spent finding […]