Service Guide
Page 24
...have the computer serviced: 02F4: EISA CMOS not writable 02F5: DMA test failed 02F6: Software NMI failed 02F7: Fail-safe timer NMI failed Fan error Thermal sensing error Errors without messages Problem: When you heard any key to the computer and the power cord is installed correctly. If these... items are not sure whether you turn on the computer, nothing appears on the screen, have the computer serviced. 16 ThinkPad® X300 Service and Troubleshooting Guide If a power-on password is displayed on the screen and the computer does not beep when starting up.
...have the computer serviced: 02F4: EISA CMOS not writable 02F5: DMA test failed 02F6: Software NMI failed 02F7: Fail-safe timer NMI failed Fan error Thermal sensing error Errors without messages Problem: When you heard any key to the computer and the power cord is installed correctly. If these... items are not sure whether you turn on the computer, nothing appears on the screen, have the computer serviced. 16 ThinkPad® X300 Service and Troubleshooting Guide If a power-on password is displayed on the screen and the computer does not beep when starting up.
Service Guide
Page 30
... the computer. Allow the computer to the computer. 2. If the computer still enters sleep (standby) mode unexpectedly, the internal fan or other internal components. Turn off : a. a. Have the computer serviced. 22 ThinkPad® X300 Service and Troubleshooting Guide Connect the AC adapter to cool. If you want. Unsaved data may have failed. If...
... the computer. Allow the computer to the computer. 2. If the computer still enters sleep (standby) mode unexpectedly, the internal fan or other internal components. Turn off : a. a. Have the computer serviced. 22 ThinkPad® X300 Service and Troubleshooting Guide Connect the AC adapter to cool. If you want. Unsaved data may have failed. If...