In this post i"ll teach you what to do when your monitor do not show any display when connected to CPU. (even though the monitor's light is on)
- First check if there is any loose connection in the VGA cable(normally blue in colour),if there is, make sure it is joined tightly.
- If the problem still persists,
- Remove the outer cover of your CPU and you'll see a RAM inside it
- Take it out carefully and clean and rub the golden side (the part which goes into the cavity) with a eraser or a thermocol carefully.
- Place it back carefully and put back the cover
- Now turn on your pc and that'll do it
If the problem still persists contact your nearest service center
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