Okay so I know the system is older but it's in fantastic shape, I bought it from the original owner who barely even touched the thing (came with all the original packaging, manuals still in plastic and discs) years ago now and I myself have used it only very lightly. Shortly after I bought it I noticed if I used it for a long period of time that it would suddenly and without warning shut down. I later found out that the hard drive was dying and needed to be replaced. Fixed that problem and it's ran beautifully since up until yesterday that is. I've been working on data entry for work, I had safari open with google sheets running as well as a couple extra tabs of research stuff and youtube playing in the background. Yesterday it ran for a good 5-6 hours before it suddenly and without warning just shut off. I touching the upper left corner and realized it was super hot, figured I just had too much going on the poor old girl and I left it off for the night to cool down. Booted back up this afternoon to continue the work and again had youtube running in the back ground only today it got to work for maybe an hour, hour and half before it suddenly shut down again. Any suggestions to help cool the poor thing down so I can use it without it randomly shutting off on me?