Lenovo ThinkPad Yoga 11e, User Manual, Page: 98 / 164

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) Memory problem. Shut down the computer immediately
and have the computer serviced.
Four cycles of four short beeps
TCG
*
-compliant functionality-related problem (might
be the BIOS code validation failure). Shut down the
computer immediately and have the computer serviced.
*
TCG is the abbreviation for Trusted Computing Group.
Five short beeps, pause, five more short beeps, and
pause TCG-compliant functionality-related problem (might be
the TPM initialization failure). Continue with the boot
process and call the Lenovo service center for technical
support.
Memory module problems
Print these instructions now and keep it with your computer for reference later.
If your memory module is not operating properly, check the following items:
1. If your computer comes with a memory module that is seated in the memory slot, verify the installation.
For more information, see “Replacing the memory module” on page 106.
2. Check for error messages during startup.
Follow the appropriate corrective actions for power-on self-test (POST) error messages.
3. Verify that the latest UEFI BIOS for your model has been installed.
4. Verify the proper memory configuration and compatibility including the maximum memory size and the
memory speed.
5. Run diagnostic programs. See “Diagnosing problems” on page 79.
Networking problems
The following are the most common networking problems.
Ethernet problems
• Problem : The computer cannot connect to the network.
Solution : Ensure that:
– The cable is installed correctly.
The network cable must be securely connected both to the Ethernet connector of your computer 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.
– You are using the correct device driver. To install the correct driver, do the following:
1. Go to Control Panel and click Hardware and Sound ➙ Device Manager . If you are prompted for
an administrator password or confirmation, type the password or provide confirmation.
2. If the exclamation mark ! is displayed next to the adapter name under Network adapters , you
might not be using the correct driver or the driver might have been disabled. To update the driver,
right-click the highlighted adapter.
3. Click Update Driver Software , and then follow the instructions on the screen.
– The switch port and the adapter have the same duplex setting.
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