First thing you need to do is go into BIOS setup and locate the entries for system monitoring. It will be in a 'Health' or 'Overclocking' section ,ost likely, and you'll see information displayed there about temperatures, fan speeds and the like. You need to disable the function whereby the system monitors the chassis fan if you do not have one either installed or powered from the motherboard. If you have such a fan installed, powered from the motherboard, and not working corrctly you need to replace it of course.

Then you need to see if that -5 voltage error is still being displayed. If so it is probably an indication that your power supply unit is malfunctioning, and you'll probably need to replace that!

Those errors are indicating that it is your system itself which is not starting correctly, I believe. Windows is not even getting a chance to BEGIN loading!