Check that the refresh rates are the same for both on & off mains power. If it is dropping from 60 to 50hz, that would cause the blank screen effect as it makes the step up/down.
On Friday, July 29, 2011, Scott Matthews <[email protected]> wrote: > Hi all, I have a new Win7 64bit Thinkpad. When I unplug or plug in the > power it: beeps, then adjusts brightness, then goes totally black, > then returns -- is that normal? Is there some way to eliminate that > black bit? > _______________________________________________ > Thinkpad mailing list > [email protected] > http://stderr.org/cgi-bin/mailman/listinfo/thinkpad > _______________________________________________ Thinkpad mailing list [email protected] http://stderr.org/cgi-bin/mailman/listinfo/thinkpad
