Lenovo 40624FU User Manual - Page 72
Load Setup Default in BIOS Setup
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Table 2. Numeric error codes (continued) Symptom or error FRU or action, in sequence 0250 System battery error-System battery is dead. 1. Charge the backup battery for more than 8 hours by connecting the ac adapter. 2. Replace the backup battery and run BIOS Setup Utility to reset the time and date. 0251 System CMOS checksum bad- Default configuration used. 1. Charge the backup battery for more than 8 hours by connecting the ac adapter. 2. Replace the backup battery and run BIOS Setup Utility to reset the time and date. 0252 Password checksum bad-The password is cleared. Reset the password by running BIOS Setup Utility. 0260 System timer error. 1. Charge the backup battery for more than 8 hours by connecting the ac adapter. 2. Replace the backup battery and run BIOS Setup Utility to reset the time and date. 3. System board. 0270 Real-time clock error. 1. Charge the backup battery for more than 8 hours by connecting the ac adapter. 2. Replace the backup battery and run BIOS Setup Utility to reset the time and date. 3. System board. 0271 Date and time error-Neither the date nor the time is set in the computer. Run BIOS Setup Utility to reset the time and date. 0280 Previous boot incomplete- Default configuration used. 1. Load "Setup Default" in BIOS Setup Utility. 2. DIMM. 3. System board. 02F0 CPU ID:xx Failed. 1. CPU. 2. System board. 02F4 EISA CMOS not writable. 1. Load Setup Defaults in BIOS Setup Utility. 2. Replace the backup battery. 3. System board. 02F5 DMA test failed. 1. DIMM. 2. System board. 02F6 Software NMI failed 1. DIMM. 2. System board. 02F7 Fail-safe timer NMI failed 1. DIMM. 2. System board. 1802 Unauthorized network card is plugged in-Turn off and remove the miniPCI network card. 1. Remove Mini PCI network card. 2. System board. 1803 1. Remove the daughter card that you Unauthorized daughter card is plugged installed. in-Turn off and remove the daughter card. 2. System board. 64 ThinkPad T500 and W500 Hardware Maintenance Manual