Overheating problem with Pavilion dv7-1464nr and some other problems

My laptop has always been very hot on bottom left upper side and blows hot air out the back, it has blistered my leg twice.  I even use a dual cooling fan pad. I have had the power supply replaced through warranty once and the second one has already burned up too. I purchased one at Wal-Mart that cost me over $100, was on vacation and I need laptop for Garmin GPS, I even purchased a 1000 watt converter hardwired to a diesel truck for better performance, power supply is still hot but working.  Laptop is now overheating to the point of shutting down and the fan has always run at highest speed which is very loud and annoying.  I only have 20 days left on warranty, suggestions.
I also have trouble with the top touch control bar on keyboard not working, sometimes it does sometimes not and the left key on mouse has never worked right, usually have to click it two or three time for it to work.  Also have one USB port that broke, when I unplugged a USB cord the part that it insert into came out with it in the cord.  I have had to tape my battery so it will stay in,  I think the Iocking switch has a broken piece, had it 3 months when this happened but decided to wait to see if anything else went wrong!!
Does HP have a replacement for lemon laptop???  Please help

Teegarden10
OMG......this could have been my post right down to the burned body part (my belly). I also bought the cooling pad and  new power supply. My laptop also shuts down all the time. My solution to the left  click problem was to run every virus removal I could and that helped with the key problem.  If you hear of any solutions please let me know [Personal Information Removed]

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