your laptop might be overheating. it will be a good idea to clean your laptop using compressed air. As you said that your laptops’s fan are running constantly it’s due to cpu temperature. You should also pay focus on replacing thermal paste if you know how to do it. You can also read this article on how to tackle with overheating Pcs https://www.cputemper.com/prevent-computer-overheating/
entering DFU Mode is how you adjust the firmware on your iPad or other iOS device. This can be a helpful trick for troubleshooting some complex issues. (1) Plug the iPad into your computer (Mac or PC) (2) Launch iTunes on the computer (3) Hold down the Power button and the Home button at the same time (4) Keep holding both of these buttons for 10 seconds (5) After 10 seconds pass, release the Power button but continue to hold the Home button for another 3-5 seconds (6) iTunes will notify you that it has detected a device in recovery mode, you are now free to restore.
well you can say that, it’s the same, pure Crazy Taxi game we used to love. The leader boards are a nice touch. But the menus, HUD and UI are a little ugly. There’s little licensed content remaining. One new mode or map would have been nice for old fans.
Just a quick note: Command + R only works with OS X 10.7, 10.8, and 10.9. Versions of OS X prior to 10.7 will require the use of a start up install disk. If you have 2009 model then you should have a Recovery partition in it if it was installed correctly. If you have tried holding down the Command and R keys while restarting and it does not go to the recovery partition, then something is wrong. Try restarting by holding down the Option key. If there is a Recovery partition, it will show up then.