IBM X220 Disabled, then go to the ThinkPad Setup program, Disabled. Save and exit, Authentication

Table 2. Numeric error codes (continued)

Symptom or error	FRU or action, in sequence
1810	1.	If the Access Predesktop Area has been previously
Hard disk partition layout error.		disabled, then go to the ThinkPad Setup program
		by pressing F1 to open the ThinkPad Setup
		program. Select Security ➙ Predesktop Area
		➙ Access Predesktop Area. Set this item to
		Disabled. Save and exit.
	2.	If the Access Predesktop Area has not been
		previously disabled, press Enter to load Access
		Predesktop Area. Then run RECOVER TO FACTORY
		CONTENTS in Access Predesktop Area.
	3.	If item 2 failed, press F3 in the Welcome screen in
		RECOVER TO FACTORY CONTENTS. Run FDISK,
		and then delete all partitions. Run RECOVER TO
		FACTORY CONTENTS in Access Predesktop Area
		again.
	4.	If item 3 failed, select CD-ROM boot in Startup in
		Access Predesktop Area. Boot from the Recovery
		CD and perform full recovery from it.
	5.	If item 4 failed, replace the hard disk drive.
1820	Remove all but the reader that you set up for the
More than one external fingerprint reader is attached.	authentication.
Power off and remove all but the reader that you set up
within your main operating system.
1830	Install DIMM in Slot-0, but not in Slot-1.
Invalid memory configuration—Power off and install a	Note: For the construction of the DIMM slot, see “1040
memory module to Slot-0 or the lower slot.	DIMM” on page 64.
2000	1.	Undock docking station or port replicator if it is
Hard Drive Active Protection sensor diagnostics		attached to the ThinkPad Notebook.
failed.Press <Esc> to continue.Press <F1> to enter	2.	Place the ThinkPad Notebook on a horizontal surface.
SETUP		Do not apply any physical shock to the computer.
	3.	Run Diagnostics ➙ ThinkPad Devices ➙ HDD
		Active Protection Test.
2010	Inform the following information to the customer: If in
Warning: Your internal hard disk drive (HDD) may not	the primary bay the customer is using a non-IBM or
function correctly on this system. Ensure that your HDD	non-Lenovo hard disk drive (HDD), or an old generation
is supported on this system and that the latest HDD	IBM HDD which is not supported by this system, with
firmware is installed.	the risk in mind, the customer can still use it by pressing
	ESC. If in the primary drive bay the customer is using a
	supported IBM/Lenovo HDD with an old firmware, the
	customer needs to update its firmware to the latest. The
	latest version is available at
	http://www.lenovo.com/support
201x	Inform the following information to the customer: If the
The solid state drive you have installed has not passed	customer is using a non qualified SSD which is not
qualification for use in this computer. Using this drive may	supported by this system, with the risk in mind, the
cause compatibility issues and potential issues with data	customer can still use it by pressing ESC. Location of the
integrity, including data loss. Press <Esc> to continue.	SSD is designated as below:
		2010: HDD0 (in HDD slot-0)
		2011: HDD1 (in HDD slot-1)
		2012: Ultrabay™ with HDD adapter
2100	1.	Reseat the hard disk drive.
Initialization error on HDD0 (Main hard disk drive)	2.	Main hard disk drive.
	3.	System board.

46ThinkPad X220 Tablet and X220i Tablet Hardware Maintenance Manual