HP 800 G1 E1Z82UT#ABA, E1Z84UT E1Z84UT#ABA manual Is not spinning, make sure the fans cable is

Activity	Beeps	Possible cause	Recommended action
Red Power LED flashes two	2	Processor thermal	1.	Ensure that the computer air vents are not
times, once every second,		protection activated:		blocked and the processor cooling fan is
followed by a two second		A fan may be blocked or		running.
pause. Beeps stop after fifth			2.
iteration but LEDs continue until		not turning.		Open hood, press power button, and see if
problem is solved.		OR		the processor fan spins. If the processor fan
				is not spinning, make sure the fan's cable is
		The heat sink/fan		plugged onto the system board header.
		assembly is not properly	3.	If fan is plugged in, but is not spinning, then
		attached to the processor.		replace heat sink/fan assembly.
			4.	Contact an authorized reseller or service
				provider.

Red Power LED flashes three 3

times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.

Processor not installed (not	1.	Check to see that the processor is present.
an indicator of bad	2.	Reseat the processor.
processor).

Red Power LED flashes four 4

times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.

Power failure (power supply is overloaded).

OR

The incorrect external power supply adapter is being used on the USDT.

1.Open the hood and ensure the 4 or 6-wire power supply cable is seated into the connector on the system board.

2.Check if a device is causing the problem by removing ALL attached devices (such as hard, diskette, or optical drives, and expansion cards). Power on the system. If the system enters the POST, then power off and replace one device at a time and repeat this procedure until failure occurs. Replace the device that is causing the failure. Continue adding devices one at a time to ensure all devices are functioning properly.

3.Replace the power supply.

4.Replace the system board.

OR

The USDT power supply adapter must be at 135W and use the Smart ID technology before the system will power up. Replace the power supply adapter with the HP-supplied USDT power supply adapter.

Interpreting POST diagnostic front panel LEDs and audible codes 247