Lenovo ThinkCentre A50p (English, Danish, Norwegian, Finnish, Swedish) Quick r - Page 45

Code 135 162 164 210 or 211 250 270 or 271 662 Description Fan failure A change in device configuration occurred. Action Have the computer serviced. Verify that: v All external devices are turned on. v All devices are properly installed and securely connected. Reload the default configuration settings using the IBM Setup Utility. System memory size is less than expected. If you cannot correct the problem, have the computer serviced. Add more memory to your computer or use the IBM Setup Utility to accept the new memory amount. A keyboard error has occurred. If you cannot correct the problem, have the computer serviced. Verify that: v The keyboard is properly connected. v No keys on the keyboard are stuck. The battery is defective. Real time clock error If you cannot correct the problem, have the computer serviced. Replace the battery. See the battery replacement procedure in your online User Guide, which is available through Access IBM. Set the date and time using the IBM Setup Utility. A change in configuration occurred. If you cannot correct the problem, have the computer serviced. A diskette drive has been added or removed. v Restore the original hardware. Or v Accept the new configuration using the IBM Setup Utility. If you cannot correct the problem, have the computer serviced. Chapter 4. Troubleshooting and diagnostics 19