The computer may have a virus. Run a virus scan program using safe mode. If there no virus, update device drivers. If you cannot, let me know if I can provide help by step by step using this application
Unplug the VGA, then Wait for a couple of minutes, and then reconnect the VGA cable to your computer and monitor . Plug the Power cable back to your computer and monitor. Turn on . Try using an external monitor.
Have you try to install the drivers for that graphic card? When there is an error such as that is because it is missing the drivers, and or it needs to be updated. Research thru the Internet or the graphic card company for the drivers.
timestamp indicate it need to reset the clock appropriately, if you are able to go to the BIOS (f1, f10) and reset the time zone, it may resolve the problem, it is recommended that you find someone who can help you using the BIOS configuration. That is a sensitive area of the computer, needs an experienced IT.
# Is the harddrive running (can you hear any sound)? if not then, a new hardrive may be needed. (1) Have you installed any ram or any other hardware recently? if yes, take it out to see it can start again. (2) Have you dropped any liquid over the laptop? then it is the motherboard.