SOURCE: lenovo all in one ideacenter desktop series
To reset the BIOS read the information from this link.
In case of your laptop the easiest method would be using software from Hiren's Boot CD as it's pretty hard to open it up and reach for the CMOS battery or the jumper.
Hook a spare monitor to the computer, if the same symptoms occur the problem is the Video Graphics Card in the computer, but if the picture is okay, it is clearly the LG Flatron that has the problem, and if possible sub the video cord from the computer to the monitor just to be sure.
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