![background image](http://html2.mh-extra.com/html/ibm/thinkpad-r50-series/thinkpad-r50-series_service-and-troubleshooting-manual_4124071024.webp)
Message
Solution
0200: Hard disk error
The hard disk is not working. Make sure that the hard disk drive is attached
firmly. Run the IBM BIOS Setup Utility; then make sure the hard disk drive
is not disabled in the Startup menu.
021
x:
Keyboard error
Make sure that there are no objects placed on the keyboard, or if you have
one, the external keyboard. Turn off the computer, and turn off all attached
devices. Turn on the computer first; then turn on the attached devices.
If you still see the same error code, do the following:
If an external keyboard is connected, do the following:
v
Turn off the computer and disconnect the external keyboard; then turn on
the computer. Make sure that the built-in keyboard operates correctly. If it
does, have the external keyboard serviced.
v
Make sure that the external keyboard is connected to the correct
connector.
Test the computer by using PC-Doctor.
v
If the computer stops during the test, have the computer serviced.
0230: Shadow RAM error The shadow RAM failed. Test your computer’s memory with PC-Doctor. If
you added a memory module just before turning the computer on, reinstall
it. Then test the memory with PC-Doctor.
0231: System RAM error
The system RAM failed. Test your computer’s memory with PC-Doctor. If
you added a memory module just before turning the computer on, reinstall
it. Then test the memory with PC-Doctor.
0232: Extended RAM
error
The extended RAM failed. Test your computer’s memory with PC-Doctor. If
you have increased memory just before turning the computer on, reinstall it.
Then test the memory with PC-Doctor.
0250: System battery
error
The backup battery, which is used to preserve the configuration information,
such as the date and time, while the computer is turned off, is depleted.
Replace the battery and run IBM BIOS Setup Utility to verify the
configuration. If you still have a problem, have the computer serviced.
0251: System CMOS
checksum bad
The system CMOS might have been corrupted by an application program.
The computer uses the default settings. Run IBM BIOS Setup Utility to
reconfigure the settings. If you still see the same error code, have the
computer serviced.
0260: System timer error
Have the computer serviced.
0270: Real time clock
error
Have the computer serviced.
0271: Date and time error Neither the date nor the time is set in the computer. Set the date and time,
using the IBM BIOS Setup Utility.
Solving computer problems
14
ThinkPad
®
R50 Series Service and Troubleshooting Guide
Summary of Contents for THINKPAD R50 series
Page 1: ...ThinkPad R50 Series Service and Troubleshooting Guide...
Page 2: ......
Page 3: ...ThinkPad R50 Series Service and Troubleshooting Guide...
Page 6: ...iv ThinkPad R50 Series Service and Troubleshooting Guide...
Page 10: ...viii ThinkPad R50 Series Service and Troubleshooting Guide...
Page 20: ...Caring for your ThinkPad computer 10 ThinkPad R50 Series Service and Troubleshooting Guide...
Page 53: ...Copyright IBM Corp 2003 43...
Page 54: ...v v 44 ThinkPad R50 Series Service and Troubleshooting Guide...
Page 55: ...30 50 45...
Page 57: ...CDC Mini PCI LCD 15 modem v v v v v v v 26 AWG 47...
Page 59: ...PC PC laser 49...
Page 60: ...50 ThinkPad R50 Series Service and Troubleshooting Guide...
Page 64: ...54 ThinkPad R50 Series Service and Troubleshooting Guide...
Page 92: ...82 ThinkPad R50 Series Service and Troubleshooting Guide...
Page 93: ...Appendix D Notices 83...
Page 95: ...Appendix D Notices 85...
Page 101: ...Appendix D Notices 91...
Page 102: ...92 ThinkPad R50 Series Service and Troubleshooting Guide...
Page 103: ...Appendix D Notices 93...
Page 104: ...94 ThinkPad R50 Series Service and Troubleshooting Guide...
Page 106: ...96 ThinkPad R50 Series Service and Troubleshooting Guide...
Page 107: ......
Page 108: ...Part Number 13N6087 1P P N 13N6087...