Block of colour across screen
Your lcd screen is going bad. It's either the lcd screen or the video
card inside the computer. To isolate the problem try connecting another
monitor to the computer. Borrow a monitor from a neighbor, friend,
relative or co-worker and connect it to the computer. If the Borrowed
monitor displays ok then your video card is ok, but your original
monitor is bad. If the Borrowed monitor displays the same as your
original monitor then your video card is bad.
Plug in an external monitor and see if the
display shows up on it. It can be any kind of monitor even the old big fat crt
monitors as long as it has a vga cable to connect to your computer's vga
port. If the video shows on the external monitor that proves your video
card is ok, ,but your lcd screen is bad. The video will show on most systems
when you reboot without you having to do anything. Some systems will require
you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then
hit the correct key for displaying on the monitor (F1 thru F12). The
correct key will normally have CRT/LCD on it or it will have the icon of a
display.
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