I have an Dell Insipron 660s, i3-3240 CPU, 3.40 GHz with 1 TD WD Blue Hard Drive. I just wanted to wipe the Hard Drive and hand this Computer off to the Grand Kids to use for whatever. It came with Windows 8 pre-installed, was upgraded to Windows 10 64 bit, and upgraded to 8 GB RAM. My last Windows update: 1709 would not install, and has never installed, always an error message that was never the same twice. Although it ran it was always too slow so I have since upgraded (NOT A DELL) and put it aside, now I'd like to fix this problem if for nothing else my pride. I have removed everything from the computer, even the MB and reinstalled, no luck, I should also mention that no matter what I do I can never enter the BIOS, I have read a million forums and tried countless fixes, nothing works. So I could never wipe the operating system and start fresh or reinstall, have tried over a 100 times, goes through all the motions then tells me nothing was changed, reinstall or wipe system Fails. I next tried a new HD, same one that is in the current machine, WD 1.0 TB SATA/64MB Cache. The computer powers up the Fan runs and the HD spins, and also the DVD player but the screen is black, after a while the spinning stops but the fan still runs, if I press cnt/alt/dele the drives start up again but still a black screen. After several tries I decided to reinstall the old HD and everything works, everything is there, but it still wont let me in BIOS, or uninstall/reinstall Window 10. Anybody have any thoughts?