Posts19530Registration dateWednesday October 8, 2008StatusContributorLast seenJune 15, 20191,832 Jun 21, 2016 at 06:33 PM
I would try this trick:
Disconnect the power cord and pull out the battery. Then press down the power button for a least 30 seconds. Then reinsert the battery and reconnect the power cord and start the laptop normally. This "hard reset" might fix your problem.