I am having the Lenovo ThinkPad T400 and that is showing me some problem with that. Actually this shuts down immediately while I plug I the monitor (Dell WA2209). If I shut down PC and after that try to turn it on as the same time as the computer through the monitor plugged in, the computer shuts down almost immediately subsequent to I press the power button. In every case, I have to unplug the computer and take away the battery before I can attempt turning the computer on once more. I have installed the newest power manager. On the odd incident, I am able to plug in my monitor devoid of the computer shutting down. This happens once using incorporated and discrete graphics. It worked for approximately one year just fine and newly started doing this. Do you have some idea for that? Thank you so much in advance.
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