The last few months I've been having problems with my power cord with it saying its not plugged in on my laptop and the only way I have been able to fix it is to disconnect the battery and do a power surge every couple of weeks. I was wondering if anyone knew if this is a beginning to a more serious problem with my laptop or could it just be that I need a new cord?
Just to confirm, do you have an Alienware M17X R3? Have you tried flashing the Bios firmware to the latest version?
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