A monitor may flicker due to a poor cable connection. Other causes include electrical noises and over-sized speakers near the monitor.
Poor cable connections, accumulated or stray magnetic fields, high amount of electrical noise, or vertical scan frequency (refresh rate) below 70 Hz can cause monitor flicker. Page 423 in the A+ guide to managing and maintaining your PC, Sixth Edition
Sometimes the ground strap to the body of the car can come loose. This will cause things to flicker. Ground from the battery needs to be connected to the engine block, the frame, and the body to keep things working properly.
I hope you mean the monitor, because the only thing I can easily think of that would cause the actual computer to start unexpectedly flickering is it being on fire. You haven't really given us enough details. However, if you can't figure it out on your own, you should probably take it to a computer professional to have a look at it. There are lots of things that could cause the monitor to flicker, including "the monitor is going bad", and they have all kinds of different remedies.
LCD's are made up of lines that project an image on the screen. These lines constantly move, sometimes up and down, and sometimes side to side...this causes a flicker often seen on older LCD monitor's.
no
could be a couple things. the oil sender unit could be bad or you could just be a little low on oil.
1. Unstable electricity supply 2. Magnets around the monitor 3. Damaged Computer Graphics card or monitor it self
Yes
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Faulty wiring.
Metal Halide can flicker when warming up cause it is starting to get hot inside. Or Metal Halide can flicker when it is about to burn out. Sometimes they even cycle.
There are several things that can cause your 1996 Nissan dashboard lights to flicker. The most common cause is a bad ground wire. Check the ground wire to make sure it is tight and free of corrosion.