Lenovo ThinkPad Edge E420 User Manual page 154

Solution: The daughter card is not supported on this computer. Remove it.
• Message: 1805: Unauthorized Wireless USB card is plugged in - Power off and remove the Wireless
USB card.
Solution: The Wireless USB card is not supported on this computer. Remove it.
• Message: 2100: Initialization error on HDD0 (Main HDD).
Solution: The hard disk is not working. Have the hard disk serviced.
• Message: 2110: Read error on HDD0 (Main HDD).
Solution: The hard disk is not working. Have the hard disk serviced.
• Message: The power-on password prompt
Solution: A power-on password or a supervisor password is set. Type the password and press Enter to
use the computer (refer to "Using passwords" on page 59). If the power-on password is not accepted, a
supervisor password might have been set. Type the supervisor password and press Enter. If you still see
the same error message, have the computer serviced.
• Message: The hard disk password prompt
Solution: A hard disk password is set. Type the password and press Enter to use the computer (refer to
"Hard disk passwords" on page 61).
• Message: Hibernation error
Solution: The system configuration changed between the time your computer entered hibernation mode
and the time it left this mode, and your computer cannot resume normal operation.
– Restore the system configuration to what it was before your computer entered hibernation mode.
– If the memory size has been changed, re-create the hibernation file.
• Message: Operating system not found.
Solution: Verify the following:
– The hard disk drive is correctly installed.
– A startable disc is in the drive.
If you still see the same error message, check the boot sequence using ThinkPad Setup.
• Message: Fan error
Solution: Cooling fan has failed. Have the computer serviced.
• Message: EMM386 Not Installed-Unable to Set Page Frame Base Address.
Solution: Edit C:\CONFIG.SYS and change a line from device = C:\WINDOWS\EMM386.EXE RAM to device =
C:\WINDOWS\EMM386.EXE NOEMS and save this file.
• Message: CardBus Configuration Error-Device Disabled.
Solution: Press F1 to go to ThinkPad Setup. Press F9 and then press Enter to load the default setting.
Press F10 and then press Enter to restart the system.
• Message: Thermal sensing error
Solution: The thermal sensor is not functioning correctly. Have the computer serviced.
• Message: Cannot boot from any device.
136
User Guide