Lenovo ThinkPad X220 Hardware Maintenance Manual page 52

Table 2. Numeric error codes (continued)
Symptom or error
1810
Hard disk partition layout error.
1820
More than one external fingerprint reader is attached.
Power off and remove all but the reader that you set up
within your main operating system.
1830
Invalid memory configuration—Power off and install a
memory module to Slot-0 or the lower slot.
2000
Hard Drive Active Protection sensor diagnostics
failed.Press <Esc> to continue.Press <F1> to enter
SETUP
201x
The solid state drive you have installed has not passed
qualification for use in this computer. Using this drive may
cause compatibility issues and potential issues with data
integrity, including data loss. Press <Esc> to continue.
2100
Initialization error on HDD0 (Main hard disk drive)
2102
Initialization error on HDD1 (Ultrabay hard disk drive)
2110
Read error on HDD0 (Main hard disk drive)
2112
Read error on HDD1 (Ultrabay hard disk drive)
46
Hardware Maintenance Manual
FRU or action, in sequence
1. If the Access Predesktop Area has been previously
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.
Remove all but the reader that you set up for the
authentication.
Install DIMM in Slot-0, but not in Slot-1.
Note: For the construction of the DIMM slot, see "1030
DIMM" on page 63.
1. Undock docking station or port replicator if it is
attached to the ThinkPad Notebook.
2. Place the ThinkPad Notebook on a horizontal surface.
Do not apply any physical shock to the computer.
3. Run Diagnostics ➙ ThinkPad Devices ➙ HDD
Active Protection Test.
Inform the following information to the customer: If the
customer is using a non qualified SSD which is not
supported by this system, with the risk in mind, the
customer can still use it by pressing ESC. Location of the
SSD is designated as below:
2010: HDD0 (in HDD slot-0)
2011: HDD1 (in HDD slot-1)
2012: Ultrabay™ with HDD adapter
1. Reseat the hard disk drive.
2. Main hard disk drive.
3. System board.
1. Reseat the hard disk drive.
2. Ultrabay hard disk drive.
3. System board.
1. Reseat the hard disk drive.
2. Main hard disk drive.
3. System board.
1. Reseat the hard disk drive.
2. Ultrabay hard disk drive.
3. System board.