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Solution: ThinkVantage Active Protection sensor is not working correctly. Have the computer serviced.
• Message: 2100: Initialization error on HDD0 (Main HDD).
Solution: The hard disk drive is not working. Have the hard disk drive serviced.
• Message: 2101: Detection error on HDD1 (Ultrabay HDD)
Solution: The Ultrabay hard disk drive is not working. Have the Ultrabay hard disk drive serviced.
• Message: 2102: Detection error on HDD2 (Mini SATA)
Solution: The Mini SATA device is not working. Have the Mini SATA device serviced.
• Message: 2110: Read error on HDD0 (Main HDD)
Solution: The main hard disk drive is not working. Have the main hard disk drive serviced.
• Message: 2111: Read error on HDD1 (Ultrabay HDD)
Solution: The Ultrabay hard disk drive is not working. Have the Ultrabay hard disk drive serviced.
• Message: 2112: Read error on HDD2 (Mini SATA)
Solution: The Mini SATA device is not working. Have the Mini SATA device serviced.
• Message: 2200: Machine Type and Serial Number are invalid.
Solution: Machine Type and Serial Number are invalid. Have the computer serviced.
• Message: 2201: Machine UUID is invalid.
Solution: Machine UUID is invalid. Have the computer serviced.
• Message: Fan error
Solution: Cooling fan has failed. Have the computer serviced.
• Message: Thermal sensing error
Solution: The thermal sensor is not functioning correctly. Shut down the computer immediately and
have the computer serviced.
Errors without messages
• Problem: My screen keeps blanking when I do not want it to.
Solution: If your system is preinstalled with the Windows 7 operating system, you can disable any system
timers, such as the LCD turn-off timer or the blank timer by doing the following:
1. Start Power Manager.
2. Click the Power plan tab, and then select Maximum Performance from the predened power plans.
• Problem: When I turn on the computer, nothing is displayed on the screen and the computer does not
beep while starting up.
Note: If you are not sure whether you heard any beeps, turn off the computer by pressing and holding the
power button for four seconds or more. Turn it on and listen again.
Solution: Ensure that:
– The battery is installed correctly.
100 User Guide