Try to restart Z820 and then it no longer starts

I tried to restart the HP Z820 workstation, which takes place in Centos 6.x.  He went to the screen where all the closing messages and got stuck on a line for a long time.  I forgot exactly what the message was blocked on.

Then I thought, I'll hold down the power button and make it stop, similar to a PC at home.  This causes the Z820 turn off.  However, now when I try to turn it on by pressing the power button, the machine does not start its expected turn on and start the system.   I get only a green LED where the icon of the hard disk activity is (close to the switch).  It stays green until the power button is pressed and turns off if power button is not pressed.

I have to unplug it from the wall for about 15 minutes, thinking that it might help because on some machines, they need some time without being able to real to restore something.  However, that does not translate into something different.

Normally I was able to reboot from within the OS, so this time where he got stuck on a closing

the message, which was not expected or the other.

What has happened that the workstation is not commissioning more?  I accidentally gives him some special "stay off" status of command by pressing and holding down the power button?

Thank you in advance!

I don't know what happened exactly, but somehow I got was to reset the CMOS, according to the steps in the instructions of Z820.

After doing this and re - attach the power cable, the motherboard came alive with LEDs and such.  Pressing the button of power at this time, the machine to respond as expected to be switched on and off again.

However, as expected, BIOS settings have been erased, so all this has contributed to the machine to turn back on, be aware of having to change the BIOS correctly for the current configuration of the hardware in the computer.

After changing the settings of the BIOS for what she was before (or close enough), the Z820 started again in the operating system and other components have been recognized and applied as expected.

Thank you!!

Tags: HP Desktops

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