HP PAVILION M8200N PC Desktop "power boot" Questions

...to boot and power down what causes my HP Pavilion to boot and power off immediately? Memory test ok tried booting to CD w/o a hard drive, does the same thing. power supply, cpu fan, cooling

...power save mode. At boot up press F8 and boot in Safe Mode. Once booted then go to Start->Control Panel->Power Options. Here you will be able to set it up correctly to not go into power save ...

...boot program? It is the power supply In hp the power supply they use does not die on you completely; it will start but not feed the computer. So change it to generic brand and every thing will work ...

Power Cord, Open the Case and remove one of the memory chips.  Set the chip aside then try rebooting the computer.  If it boots, then you know the memory chip you set aside is bad so mark an

...boot ok. I power it off, power it back on and it wont get post the bios. I power it off again and power it on, and it'll boot ok again. power it off, and on again and wont even post the bios. It ...

...power comes on but no boot activity. The lights on the keyboard blink, the drives make a little noise and then nothing. try resetting all the connections and also disconnect the power cable from the ...

...boot up. Asks what type of power supply, when I answer generic the computer will not continue to boot up. When I go into bios it says power supply is disabled and will not allow me to enable it. Any ...

Power Cord, Open the Case and remove one of the memory chips.  Set the chip aside then try rebooting the computer.  If it boots, then you know the memory chip you set aside is bad so mark an

...a little orange switch. it says 115/220 click to 220. boot computer. if computer boots up turn off and click back over to 115. if it does not boot your power supply in your computer needs

...by pulse on and off?  Is it trying to boot up, then shuts off before it boots? Remove the power cord and press and hold the power button for 30 seconds, then put it back in and try to