Is aerosol electronic contact cleaner the same thing as aerosol duster for computer keyboards?
Marketing terms may vary, but generally these are not the same. Contact cleaner generally means it has a solvent that would remove things (like types of greases or oils), and frequently includes a lubricant or protectant. Keyboard cleaners are normally nothing more than compressed air, under presuure. It simply blows away dust and contaminents.
What is the function of the Delphi electronic unit inside the air cleaner box of a 2002 Buick Regal?
No. Electronic cleaner is compressed air. Brake cleaner is a chemical that removes the oil used to preserve new brake rotors and drums while they wait to be installed. ADDED. There are liquid cleansers for electrical and electronic equipment, some apparently based on vegetable-oil extracts, but I would not recommend using either cleanser for the opposite application without first ascertaining that it would be possible to do so without harm.
It's important to keep both your hard drive and the physical PC itself clean. Computer cleaner programs like CCleaner remove unneeded files and keep your computer running smoothly. Physical computer cleaner, also called "Dust-Off", is a spray that prevents dust from gathering on your computer. Dust getting into the internals of a PC can slow down, damage or even break it.
Is it possible to counteract the interference in audio when connecting to a monitor via HDMI on a Mac?
You should have no interference with an HDMI cable. If so then make sure the cable is not near another electrical device. If that is not the case then you need to clean the connection at both the TV and the computer as dust in the connection will cause static. Do not use anything except an electronic cleaner. CRC QD Electronic cleaner is one of the best and you can buy it at Walmart or…