TravelMate 4020 Service Guide
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...Codes 006 010 070 071 072 110 Error Messages Equipment Configuration Error Causes: 1. Error Message List Error Messages FRU/Action in BIOS Setup Utility. Keyboard Controller Failed see "Keyboard or Auxiliary Input Device Check" on page 64. System CMOS checksum bad -... configuration used RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. Thermal critical High In this situation BIOS will issue 4 short beeps then shut down system, not show . Keyboard locked - Incorrect password is dead - CPU BIOS Update Code Mismatch 2. "Load Default...
...Codes 006 010 070 071 072 110 Error Messages Equipment Configuration Error Causes: 1. Error Message List Error Messages FRU/Action in BIOS Setup Utility. Keyboard Controller Failed see "Keyboard or Auxiliary Input Device Check" on page 64. System CMOS checksum bad -... configuration used RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. Thermal critical High In this situation BIOS will issue 4 short beeps then shut down system, not show . Keyboard locked - Incorrect password is dead - CPU BIOS Update Code Mismatch 2. "Load Default...