• Code: 856
• Description: Wireless LAN Error 4: Board
• Causes: • Wireless LAN card board defective • PCI connector loose

• Code: 857
• Description: USB I/F Error
• Causes: • The USB driver can generate three types of errors: RX, CRC, and STALL errors. Only the STALL error can generate this SC code. • Defective controller board

• Code: 860
• Description: HDD start-up error G116 Only
• Causes: • Turn off the machine and turn it back on. • Examine the connection between the HDD and the controller. • Replace the HDD if the error is frequent.

• Code: 862
• Description: HDD damaged cluster error
• Causes: • Replace the HDD if the error is frequent.

• Code: 863
• Description: HDD data unable to read
• Causes: • Replace the HDD if the error is frequent.

• Code: 864
• Description: HDD data access error
• Causes: • Replace the HDD if the error is frequent.

• Code: 865
• Description: HDD access error
• Causes: • Replace the HDD if the error is frequent.

• Code: 900
• Description: Controller counter error
• Causes: • Replace the NVRAM if the error is frequent.