Wow a real computers question
but no PC stated. make nor model.
desktop or laptop
what OS do you run.
if a laptop,(why must I guess?)
ALL or most laptops dime for these reasons. (all)
1: the room is dark and the auto dim is turned on.
2: the laptop battery is bad or weak and it auto dims the screen to extend the run time, dim uses less power.
3: the LCD is dimmed in the control panel ."brightness wrong"
4: the LCD back lamps on all PC <=2010 all are dim now.
both monitors and laptops that old or older, are doomed.
<= means less than or equal to....
SOURCE: screen comes on but goes dim within seconds
The inverter in the monitor is probably going bad. It can be replaced, depending on the size/age of the monitor. Many times it is cheaper to buy a new one than to have it fixed.
If you are a little handy, and can get the monitor open, you can find the inverter and replace it. The monitors have a high voltage area you have to be very careful around.
New inverters range from $30-75. They are very specific to the model of monitor. The best way to find one is to get to the inverter and search for the numbers printed on it.
A repair might cost you $100+
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