• Code: 854
• Description: Wireless LAN board error 2
  The board that holds the wireless LAN board can be accessed, but the wireless LAN board (802.11b/Bluetooth) itself cannot be accessed while the machine is operating
• Causes: • Wireless LAN board has been removed during machine operation.

• Code: 855
• Description: Wireless LAN board error 3
  An error was detected for the wireless LAN board (802.11b or Bluetooth).
• Causes: • Wireless LAN board defective • Wireless board connection not tight

• Code: 856
• Description: Wireless LAN board error
  An error is detected for the wireless LAN board (802.11b or Bluetooth).
• Causes: • Wireless LAN board defective • PCI connector loose

• Code: 857
• Description: USB I/F Error
  The USB driver is unstable and generated an error. The USB I/F cannot be used. The USB driver can generate three types of errors: RX, CRC, and STALL errors. Only the STALL error can generate this SC code.
• Causes: • USB 2.0 disconnected • Controller board defective

• Code: 858
• Description: Data encryption conversion error
  A serious error occurred during data encryption.
• Causes: 0 A Key acquisition error • Replace the controller board 1 A HDD key setting error • Turn the machine power off/on • If the error reoccurs, replace the controller board 2 A NVRAM read/write error • Replace the NVRAM 30 A NVRAM error • Turn the machine power off/on • If the error reoccurs, replace the controller board 31 A • See SC991

• Code: 859
• Description: HDD data encryption error
  Encryption of data on the hard disk failed.
• Causes: 8 B HDD check error • Format the HDD 6 B Power loss during encryption • Format the HDD 10 B Data read/write error • See SC863 below

• Code: 860
• Description: HDD error 1
  The hard disk connection is not detected because it is defective or has not been formatted
• Causes: • Cable between HDC and HDD loose or defective • HDD power connector loose or defective • HDD not formatted • HDD defective • Replace the controller board

• Code: 861
• Description: HDD error 2
  The HDD did not enter the ready status within 30 sec. after power on.
• Causes: • Cable between HDC and HDD loose or defective • HDD power connector loose or defective • HDD defective • Replace the controller board