Most of the time you can tell if your computer video card is deteriorating by seeing little tell tale signs.
Lines appearing or flashing can sometimes occur, however sometimes nothing happens at all.
This can be the cause when your computer has a If you plan to open your computer case and remove the ram please read these articles on how to open computer cases safely and Upgrade Memory A flashing amber light along with your black screen on startup can be a few things.
Often when computer users install hardware in order to upgrade their own computers they run into problems.
People often also see a computer black screen when they have plugged their computer into a different monitor or even a TV where the screen resolution is not compatible.