m17x r3

I recently upgraded my Alienware M17x R3 from a gtx 580m to a gtx 780m. After playing games and loving the results, I noticed frame drops. After testing, I noticed it's due to the new GPU throttling, and GPU-z reads it as a 'pwr' issue. I've taken this to mean that the power supply isn't...

I was recently given an M17x R3 which is exhibiting the 7 beeps + black screen indicating a bad motherboard or CPU....I am interested in fixing it, but not sure how to tackle the troubleshooting. The guy that gave me the system said it was working fine until after thunderstorm, during which he...