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Numeric error codes - ThinkPad General

Other error messages, codes, or symptoms
Error messages
Beep and no beep symptoms
Intermittent and undetermined problems
LCD related symptoms

If you are unable to find your particular symptom or error, please refer to Need more help?

Notes:

  • The most likely cause is listed first.
  • A numeric error is displayed for each error detected in POST or system operation.
  • In the displays, n can be any number.

Error code
Symptom or error
Field replaceable unit or action, in sequence
0175Bad CRC1, stop POST task. The EEPROM checksum is not correct.

System board

0176System Security. The system has been tampered with.
  1. Run BIOS Setup Utility. Then save current setting by pressing F10.
  2. System board
0177Bad SVP data. Stop POST task.System board
0182Bad CRC2. Enter BIOS Setup and Load Setup Defaults.Run the BIOS Setup Utility and Load Setup Defaults
0185Bad startup sequence settings. Enter BIOS Setup and Load Setup Defaults.Run the BIOS Setup Utility and Load Setup Defaults
0187EAIA data access error. The access to EEPROM has failed.

System board

0188Invalid RFID serialization information area or bad CRC2. The EEPROM checksum is not correct.

System board

0189Invalid RFID configuration information area. The EEPROM checksum is not correct.

System board

0190Critical low battery error
  1. Charge the battery pack
  2. Battery pack
0191System Security. Invalid Remote Change requested.
  1. Run BIOS Setup Utility. Then save current setting by pressing F10.
  2. System board
0192System Security. Embedded Security hardware tamper detected.System board
0195Security hardware tamper detected
  1. Enter BIOS Setup Utility by entering supervisor password. Then select Config, select Security chip, and then select Clear Security chip to clear this error.
  2. Security chip
  3. System board
0196Security hardware removed
  1. Enter BIOS Setup Utility by entering supervisor password. Then select Config, select Security chip, and then select Clear Security chip to clear this error.
  2. Security chip
  3. System board
0197Invalid Remote change requestedThe remote configuration for the security chip has failed. Confirm the operation and try again.
0199System Security. Security password retry count exceeded.
  1. Run BIOS Setup Utility. Then save current setting by pressing F10.
  2. System board
01C8

More than one modem devices are found. Remove one of them. Press Esc to continue.

  1. Remove either a Mini PCI modem card or a modem daughter card; otherwise press Esc to ignore the warning message.
  2. System board
01C9More than one Ethernet devices are found. Remove one of them. Press the Esc key to continue.
  1. Remove either a Mini PCI Ethernet card or an Ethernet daughter card, other wise press the Esc key to ignore the warning message.
  2. System board
01CAMore than one Wireless LAN devices are found. Remove one of them.
  1. Remove the wireless LAN device that you installed.
  2. System board
0200Hard drive error. The hard drive is not working.
  1. Remove and reinstall the hard drive
  2. Run the BIOS Setup Utility and Load Setup Defaults
  3. Hard drive
  4. System board
021xKeyboard error

Run an interactive tests of the keyboard and the auxiliary input device

0220Monitor type error. Monitor type does not match the one specified in CMOS.

Run the BIOS Setup Utility and Load Setup Defaults

0230Shadow RAM error. The shadow RAM failure at offset nnnn.

System board

0231System RAM error. System RAM failure at offset nnnn.
  1. DIMM
  2. System board
0232Extended RAM error. Extended RAM failure at offset nnnn.
  1. DIMM
  2. System board
0250System battery error. System battery is dead.

Replace the backup battery. Then run BIOS Setup Utility to reset the time and date.

0251System CMOS checksum bad. Default configuration used.

Replace the backup battery. Then run BIOS Setup Utility to reset the time and date.

0252Password checksum bad. The password is cleared.

Reset the password by running BIOS Setup Utility

0260System timer error
  1. Replace the backup battery. Then run BIOS Setup Utility to reset the time and date.
  2. System board
0270Real time clock error
  1. Replace the backup battery. Then run BIOS Setup Utility to reset the time and date.
  2. System board
0271Date and time error. Neither the date nor the time is set in the computer.

Run BIOS Setup Utility to reset the time and date

0280Previous boot incomplete. Default configuration used.
  1. Run the BIOS Setup Utility and Load Setup Defaults
  2. DIMM
  3. System board
02B2Incorrect drive A type
  1. Diskette drive
  2. External FDD cable
  3. I/O card
02D0System cache error

CPU

02F0CPU ID:xx Failed
  1. CPU.
  2. System board.
02F4EISA CMOS not writable
  1. Run the BIOS Setup Utility and Load Setup Defaults
  2. Replace the backup battery
  3. System board
02F5DIMM test failure
  1. DIMM
  2. System board
02F6Software NMI failure
  1. DIMM
  2. System board
02F7Fail-safe timer NMI failure
  1. DIMM
  2. System board
1801Attached docking station is not supportedShut down the computer and remove it from the docking station
1802Unauthorized network card is plugged in. Power off and remove the Mini PCI network card.
  1. Remove Mini PCI network card
  2. System board
1803Unauthorized daughter card is plugged in. Power off and remove the daughter card.
  1. Remove the daughter card that you installed
  2. System board
1804Unauthorized WAN card is plugged in. Power off and remove the WAN card.
  1. Remove the WAN card that you installed
  2. System board
1805Unauthorized Wireless USB card is plugged in—Power off and remove the Wireless USB card.
  1. Remove the Wireless USB card that you installed.
  2. System board.
1810Hard drive partition layout error
  1. If the Access IBM Predesktop Area has been previously disabled, go the the BIOS Setup Utility by pressing F1 to open the BIOS Setup Utility. Select Security, select Predesktop Area, and then select Access IBM Predesktop Area. Set this item to Disabled. Save and exit.
  2. If the Access IBM Predesktop Area has not been previously disabled, press Enter to load Access IBM Predesktop Area. Then run RECOVER TO FACTORY CONTENTS in Access IBM Predesktop Area.
  3. If item 2 failed, press F3 in welcome screen in RECOVER TO FACTORY CONTENTS. Run FDISK, and then delete all partitions. Run RECOVER TO FACTORY CONTENTS in Access IBM Predesktop Area again.
  4. If item 3 failed, select CD-ROM boot in Startup in Access IBM Predesktop Area. Boot from Recovery CD and perform full recovery from it.
  5. If item 4 failed, replace the hard drive.
1820More than one external fingerprint reader is attached. Power off and remove all but the reader that you set up within your main operating system.Remove all but the reader that you set up for the authentication
1830Invalid memory configuration - Power off and install a memory module to Slot-0 or the lower slot.Install DIMM in Slot-0, but not in Slot-1.
2000Hard Drive Active Protection sensor diagnostics failed. Press Esc to continue. Press F1 to enter SETUP.
  1. Undock docking station or port replicator if it is attached to the ThinkPad computer, and place the computer on a horizontal surface. Do not apply any physical shock to the computer.
  2. Run Diagnostics, select Other Devices then select Hard Drive Active Protection Test.
2010Warning: Your internal hard drive (HD) may not function correctly on this system. Ensure that your HD is supported on this system and that the latest HD firmware is installed.

If in the primary bay the customer is using a non-IBM, non-Lenovo hard drive, or an old generation IBM hard drive which is not supported by this system, with 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 or Lenovo hard drive with an old firmware, then update its firmware to the latest.

2100Initialization error on HDD0 (Main hard drive)
  1. Reseat the hard drive
  2. Main hard drive
  3. System board
2102Initialization error on HDD1 (Ultrabay hard drive)
  1. Reseat the hard drive
  2. Ultrabay hard drive
  3. System board
2110Read error on HDD0 (Main hard drive)
  1. Reseat the hard drive
  2. Main hard drive
  3. System board
2112Read error on HDD1 (Ultrabay hard drive)
  1. Reseat the hard drive
  2. Ultrabay hard drive
  3. System board

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