Lenovo ThinkPad X41 Service Guide - Page 39
Errors, without, messages - recovery
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Solving computer problems Message Operating system not found. Fan error EMM386 Not Installed - Unable to Set Page Frame Base Address. Solution Verify the following: v The hard disk drive is correctly installed. v A startable diskette is in the diskette drive If you still see the same error message, check the boot sequence, using the BIOS Setup Utility. The cooling fan has failed. Have the computer serviced. Edit C:\CONFIG.SYS and change a line from device=C:\WINDOWS\EMM386.EXE RAM to device=C:\WINDOWS\EMM386.EXE NOEMS CardBus Configuration Error -Device Disabled and save this file. Go to the BIOS Setup Utility. Press F9 and then Enter to load the default setting. Press F10 and then Enter to restart the system. Thermal sensing error The thermal sensor is not functioning correctly. Have the computer serviced. Authentication of system services failed. Press to resume. The Predesktop Area in the HDD is broken. If you need to use the Predesktop Area, get a Recovery CD, then recover the Predesktop Area using it. Errors without messages Problem: When I turn on the machine, nothing appears on the screen and the machine does not beep while starting up. Note: If you are not sure whether you heard any beeps, turn off the computer; then turn it on again, and listen again. If you are using an external monitor, refer to "Computer screen problems" on page 24 Solution: If a power-on password is set, press any key to display the power-on password prompt, and then type the correct password and press Enter. If the power-on password prompt does not appear, the brightness level might be set to minimum brightness. Adjust the brightness level by pressing the Fn+Home. If the screen still remains blank, make sure that: v The battery is installed correctly. Chapter 2. Solving computer problems 17