I have owned (and loved) my HP Pavilion zt3340us notebook for the last 3 years. It had taken the excessive use and abuse of some 10+ hours/day without any significant upgrade or repair until about a year ago when it's power adapter started acting up. I promptly bought an after-market (non-OEM) replacement($45) which lasted for some 6 months before dying itself. Following another replacement of the power adapter($30) and the purchase of a brand new after-market battery($50), the power issues persisted in different forms. Particularly, the power jack was getting too loose to charge up the battery or even consistently power the notebook. For a while, I compromised the mobility of the notebook by removing the battery, but soon the loose connection started oscillating so much that it was causing overheating around the power jack connection. The overheating led to some abrupt(thermal) shutdowns and an inability to reboot the notebook for days at a time. That basically deemed the ...