Beep Errors; Memory Module Problems - Lenovo ThinkPad E575 User Manual

Solution: Machine Type and Serial Number are invalid. Have the computer serviced.
• Message: 2201: Machine UUID is invalid.
Solution: Machine UUID is invalid. Have the computer serviced.
• Message: Fan error
Solution: Cooling fan has failed. Shut down the computer immediately and have the computer serviced.
• Message: Thermal sensing error
Solution: The thermal sensor is not functioning correctly. Shut down the computer immediately and have
the computer serviced.
• Message: This system does not support batteries that are not genuine Lenovo-made or authorized. The
system will continue to boot, but may not charge unauthorized batteries. Press the ESC key to continue.
Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and
provides no warranties for failures or damage arising out of their use.
Solution: Replace the battery with the correct Lenovo battery for this computer. If you still see the same
error message, contact Lenovo service to have the computer serviced.
• Message: The battery installed is not supported by this system and will not charge. Please replace the
battery with the correct Lenovo battery for this system. Press the ESC key to continue.
Solution: Replace the battery with the correct Lenovo battery for this computer. If you still see the same
error message, contact Lenovo service to have the computer serviced.

Beep errors

If you experience following beep errors, shut down the computer immediately and have the computer
serviced.
• Beeps: One short beep, pause, three short beeps, pause, three much shorter beeps, pause, and one
short beep (1-3-3-1 beeps)
Problem: Memory problem.
• Beeps: One long and two short beeps
Problem: Video problem.
• Beeps: Three short beeps, pause, one short beep, pause, one short beep, pause, and three much shorter
beeps (3-1-1-3 beeps)
Problem: PCI resource problem.
• Beeps: Four cycles of four short beeps
Problem: TCG-compliant functionality-related problem (might be the TPM initialization failure).
TCG is the abbreviation for Trusted Computing Group.
• Beeps: Five short beeps
Problem: System board problem.
• Beeps: Five short beeps, pause, five much shorter beeps, and pause
Problem: TCG-compliant functionality-related problem (might be the BIOS code validation failure).

Memory module problems

Print these instructions now and keep them with your computer for reference later.
Problem: My memory module is not operating properly.
Solution: Check the following items:
.
Chapter 7 Troubleshooting computer problems
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