The problem is that there is no operating system ... or at least not one that it can find. There are lots of things that could potentially cause this.
problem in your boot sector. boot computer with your operating system install disk and run repair install program.
it's battery is low... If not then the most likely cause is overheating.
try connecting the laptop to a external monitor to rule out a general malfunction of the system. if once connected to a external monitor, the laptop works, then you should replace the screen.
the Power button
hm
There is no problem- all laptops and computers do that. You should switch it off the proper way, or put it on standby by just putting down the lid.
The products inside the laptop is a simple machine. But the laptop is not a simple machine.
This is most likely to be caused by the screen backlight not working - you need to get the backlight or inverter replaced.
the laptop turns off when unplugged from AC adapter
Could be many reasons, could be a fuel management problem, could be an ignition problem, could be a charging system problem, take it to a trusted mechanic and have it diagnosed.
Active Partition
that sounds like a problem with your system you should talk to 360 techs about it