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Chapter 5. Troubleshooting
This chapter contains troubleshooting information for the wireless display adapter. If you encounter any of
the following problems when using the wireless display adapter, refer to the corresponding answers.
I cannot install the Intel WiDi software on my notebook computer.
To solve the problem, do the following:
1. Check if the notebook computer meets the system requirements for Intel WiDi at
http://supportkb.intel.com/wireless/wireless-display/templates/selfservice/intelwidi/#portal/1026/article/2511.
2. Check if the following drivers installed on your notebook computer are most up-to-date:
Intel Graphics Driver
Intel Wireless Driver
3. Check if you have selected Integrated Graphics as the graphics card in the BIOS settings. For
instructions on how to access the BIOS settings, refer to the user guide of your computer.
If the problem persists, contact Lenovo for technical support.
My notebook computer has a Realtek Wi-Fi driver, but cannot meet the system requirements for
Intel WiDi.
Depending on the operating system on your notebook computer, do the following:
For Windows 7: Install the Lenovo QuickDisplay program. The Lenovo QuickDisplay program can
be supported by specific models of the notebook computer. To check if the Lenovo QuickDisplay
program can be installed on your notebook computer, go to the Lenovo Support Web site at
http://www.lenovo.com/support/WDA.
For Windows 8: Update the operating system to Windows 8.1. Then update the graphics driver and
Realtek driver to the latest version at http://www.lenovo.com/support.
For Windows 8.1: Update the graphics driver and Realtek driver to the latest version at
http://www.lenovo.com/support.
I cannot connect my notebook computer to the wireless display adapter with the latest Intel WiDi
software.
To solve the problem, do the following:
1. Ensure that the Intel Graphics Driver and the Wi-Fi driver are the most up-to-date.
2. Remove the wireless display adapter from the device list of your notebook computer. Then restart the
notebook computer.
3. If you encounter the following situation, a dynamic frequency selection (DFS) issue might occur:
Your notebook computer can be connected to the wireless display adapter when it is not connected
to any Wi-Fi network. Once the notebook computer is connected to a Wi-Fi network, the connection
fails.
To solve this problem, refer to the following troubleshooting tip of solving a DFS issue.
I have met with the DFS issue.
To solve the DFS issue, do the following:
1. Contact the IT management support to set the Access Point at a Wi-Fi channel in the 2.4-GHz band
or at a non-DFS channel in the 5-GHz band.
2. Set your notebook computer to use a Wi-Fi channel in the 2.4-GHz band by doing the following:
a. Open the Device Manager window.
b. Right-click the network adapter of your notebook computer. Then click Properties.
© Copyright Lenovo 2014
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