Wistron Corporation TP00076BUC Manual De Usuario
If this error happens at a service center, Lenovo authorized service personnel will clean up the non-volatile
system UEFI variable storage using the above solution.
system UEFI variable storage using the above solution.
Beep errors
Table 5. Beep errors
Beeps
Solution
One short beep, pause, three short beeps, pause, three
more short beeps, pause, and one short beep (1-3-3-1
beeps)
more short beeps, pause, and one short beep (1-3-3-1
beeps)
Memory problem. Shut down the computer immediately
and have the computer serviced.
and have the computer serviced.
One long and two short beeps
Video problem. Shut down the computer immediately and
have the computer serviced.
have the computer serviced.
Three short beeps, pause, one short beep, pause, one
short beep, pause, and three more short beeps (3-1-1-3
beeps)
short beep, pause, and three more short beeps (3-1-1-3
beeps)
PCI resource problem. Shut down the computer
immediately and have the computer serviced.
immediately and have the computer serviced.
Four cycles of four short beeps
TCG
*
-compliant functionality-related problem (might be
the TPM initialization failure). Shut down the computer
immediately and have the computer serviced.
immediately and have the computer serviced.
*
TCG is the abbreviation for Trusted Computing Group.
Five short beeps
System board problem. Shut down the computer
immediately and have the computer serviced.
immediately and have the computer serviced.
Five short beeps, pause, five more short beeps, and
pause
pause
TCG-compliant functionality-related problem (might
be the BIOS code validation failure). Shut down the
computer immediately and have the computer serviced.
be the BIOS code validation failure). Shut down the
computer immediately and have the computer serviced.
Memory module problems
Print these instructions now and keep the instructions with your computer for reference later.
If your memory module is not operating properly, check the following items:
1. Check for error messages during startup.
Follow the appropriate corrective actions for power-on self-test (POST). See “Error messages” on
page 94.
page 94.
2. Verify that the latest UEFI BIOS for your model has been installed.
3. Verify the proper memory configuration and compatibility including the maximum memory size and the
3. Verify the proper memory configuration and compatibility including the maximum memory size and the
memory speed.
4. Run the Lenovo Solution Center program. See “Diagnosing problems” on page 93.
Networking problems
The following are the most common networking problems.
Ethernet problems
• Problem: The computer cannot connect to the network.
Solution: Make sure that:
– The Ethernet extension adapter is connected correctly.
The network cable must be securely connected both to the Ethernet extension adapter and to the RJ45
connector of the hub. The maximum allowable distance from the computer to hub is 100 meters. If
the cable is connected and the distance is within acceptable limits but the problem persists, try a
different cable.
connector of the hub. The maximum allowable distance from the computer to hub is 100 meters. If
the cable is connected and the distance is within acceptable limits but the problem persists, try a
different cable.
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ThinkPad X1 Carbon and ThinkPad X1 Yoga User Guide