HP Complete Guide to 757990-001 and Its Usage in Desktops

Mass storage devices (not illustrated)
1 TB hard drive, 2.5-inch, hybrid SSD, self-encrypting (SED)	724937-001
500 GB, 7200 rpm hard drive, 2.5-inch, self-encrypting (SED)	745136-001
500 GB, 7200 rpm hard drive, 2.5-inch	745135-001
500 GB hard drive, 2.5-inch, hybrid SSD, self-encrypting (SED)	724938-001
256 GB Solid State Drive (SSD), self-encrypting (SED)	746141-001
180 GB Solid State Drive (SSD), MLC	754076-001
128 GB Solid State Drive (SSD), self-encrypting (SED)	746140-001
128 GB Solid State Drive (SSD), M.2	757990-001
120 GB Solid State Drive (SSD), MLC	756459-001

Diagnostic LEDs

LED	Color	LED Activity		State/Message
Power	White	On		Computer on
Power	White	1 blink every 2 seconds		Normal Suspend Mode
Power	Red	2 blinks every second fol-		CPU thermal shutdown
		lowed by a 2 second pause
Power	Red	3 blinks, 1 blink every second		Processor not installed
		followed by a 2 second pause
Power	Red	4 blinks, 1 blink every second		Power failure (power supply over-
		followed by a 2 second pause		load)
Power	Red	5 blinks, 1 blink every second		Pre-video memory error
		followed by a 2 second pause
Power	Red	6 blinks, 1 blink every second		Pre-video graphics error
		followed by a 2 second pause
Power	Red	7 blinks, 1 blink every second		System board failure (ROM)
		followed by a 2 second pause
Power	Red	8 blinks, 1 blink every second		Invalid ROM based on Checksum
		followed by a 2 second pause
Power	Red	9 blinks, 1 blink every second		System powers on but is unable to
		followed by a 2 second pause		boot
Power	Red	10 blinks, 1 blink every second		Bad option card
		followed by a 2 second pause
Power	Red	11 blinks, 1 blink every second		Current processor does not support a
		followed by a 2 second pause		feature previously enabled.
none	none	System does not power on		System unable to power on
		and LEDs are not flashing
Common POST error messages
Screen message			Probable cause		Recommended action
101-Option ROM Error			System ROM checksum		1.	Verify ROM, reflash if required
			error.		2.	Clear CMOS memory, reboot
					3.	Replace system board
103-System Board			DMA, timers		1. Clear CMOS memory.
Failure					2.	Replace system board.
164-Memory Size Error			Incorrect memory configu-		1.	Run Setup (F10).
and			ration		2.	Check DIMMs for proper
201-Memory Error						seating, type, compatibility.
					3.	Remove DIMMs singularly and
						reboot to isolate faulty DIMM.
					4.	Replace system board.
213-Incompatible Mem-			A memory module in mem-		1. Verify proper memory module
ory Module in Memory			ory socket identified in the			type.
Socket(s) X,X, ...			error message is missing		2.	Try another memory socket.
			critical SPD information, or
			is incompatible with the		3.	Replace DIMM with a module
			chipset.			conforming to the SPD standard.
214-DIMM Configuration
			Populated DIMM configura-		1.	Check DIMMs for proper
Warning			tion is not optimized			seating, type, compatibility.
					2.	Rearrange the DIMMs so that
						each channel has the same
						amount of memory.
219-ECC Memory Module			Recently added memory		If additional memory was recently
Detected ECC Modules not			module(s) support ECC		added, remove it to see if the
supported on this Plat-			memory error correction.		problem remains.
form
301-, 304-Keyboard error			Keyboard failure.		Check kybd connection or keys.
					Check connector for bent or miss-
					ing pins. Replace kybd. If 304,
					possible system board problem.
510-Flash Screen			Flash Screen image has		Reflash the system ROM with the
Image Corrupted			errors.		latest BIOS image.
912-Computer Cover Has			Computer cover was		No action required.
Been Removed Since Last			removed since last system
System Startup			startup.
1720-SMART Hard Drive			Hard drive is about to fail.		1.	Determine if hard drive is giving
Detects Imminent Failure						correct error message. Use F2
						Diagnostics to run DPS Self-test.
					2.	Apply hard drive firmware
						patch if applicable.
					3.	Back up contents and replace
						hard drive.
1796-SATA Cabling Error			One or more SATA devices		Ensure SATA connectors are used
			are improperly attached. For		in ascending order. For one
			optimal performance, the		device, use SATA 0. For two
			SATA 0 and SATA 1 connec-		devices, use SATA 0 and SATA 1.
			tors must be used before		For three devices, use SATA 0,
			SATA 2 and SATA 3.		SATA1, and SATA 2.
1801-Microcode Patch			Processor not supported by		1.	Upgrade BIOS to proper
Error			ROM BIOS.			version.
					2.	Change the processor.
Invalid Electronic Serial			Electronic serial number is		Enter the correct serial number in
Number			missing.		Computer Setup.

Password security

Establishing a Setup or Power-On password:

1.Turn on or restart the computer.

2.As soon as the computer turns on, press the Esc key while “Press the ESC key for Startup Menu” message is displayed at the bottom of the screen.

3.Press the F10 key to enter Computer Setup.

4.To establish Setup password, select Security > Setup Password and follow the instructions.

- or -

To establish a Power-On password, select Security > Power-On Password and follow the instructions on the screen

5.Before exiting, click File > Save Changes and Exit.

Changing a Setup or Power-On password:

1. Turn on or restart the computer.

To change the Setup password, go to step 2.

To change the Power-on password, go to step 3.

2.To change the Setup password, as soon as the computer turns on:

-Press the Esc key while “Press the ESC key for Startup Menu” message is displayed.

-Press the F10 key to enter Computer Setup.

3.When the key icon appears, type your current password, a slash (/) or alternate delimiter character, your new password, another slash (/) or alternate delimiter character, and your new password again as shown:

current password/new password/new password.

NOTE: Type the new password carefully since the characters do not appear on the screen.

4.Press Enter.

The new password will take effect the next time the computer is restarted.

Deleting a Power-On or Setup password

1. Turn on or restart the computer.

To delete the Setup password, go to step 2.

To delete the Power-On password, go to step 3.

2.To change the Setup password, as soon as the computer turns on:

-Press the Esc key while “Press the ESC key for Startup Menu” message is displayed.

-Press the F10 key to enter Computer Setup.

3.When the key icon appears, type your current password followed by a slash (/) or alternate delimiter character as shown. Example: currentpassword/

4.Press Enter.

Clearing CMOS

1.Turn off the computer and disconnect the power cord from the power outlet.

2.Remove the access panel.

3.On the system board, press and hold the CMOS button for 5 seconds.

4.Replace the chassis access panel and reconnect the power cord.

5.Turn on the computer and allow it to start.

HP EliteDesk 800 G1 Desktop Mini 756962-001 page 2