HP 800 G1 21.5 Non-Touch manual Solving processor problems, Troubleshooting without diagnostics

Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.)

Cause	Solution
Memory is installed incorrectly or is bad.	1.	Reseat DIMMs. Power on the system.
	2.	Replace DIMMs one at a time to isolate the faulty
		module.
	3.	Replace third-party memory with HP memory.
	4.	Replace the system board.

Solving processor problems

If you encounter processor problems, common causes and solutions are listed in the following table.

Poor performance is experienced.

Cause	Solution
Processor is hot.	1.	Make sure the airflow to the computer is not blocked.
	2.	Make sure the fans are connected and working properly
		(some fans only operate when needed).
	3.	Make sure the processor heat sink is installed properly.
Power LED flashes Red three times, once every second, followed by a two second pause.
Cause	Solution
Processor is not seated properly or not installed.	1.	Check to see that the processor is present.
	2.	Reseat the processor.
Power LED flashes Red eleven times, once every second, followed by a two second pause.
Cause	Solution
The current processor does not support a feature previously	1.	Install a TXT (Trusted Execution Technology) capable
enabled on this system.		processor.
	2.	Disable TXT in the Computer Setup (F10) utility.
	3.	Reinstall the original processor.

158 Chapter 8 Troubleshooting without diagnostics