Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.Ĭlick the Update Driver button and follow the instructions.
In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager In strong>Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager It allows you to see all of the devices recognized by your system, and the drivers associated with them. To install a driver in Windows, you will need to use a built-in utility called Device Manager. Select the Driver tab and verify that the driver version is 20.2009.Įxport Control and EULA Use of any software made available for download from this system constitutes your acceptance of the Export Control Terms and the terms in the Dynabook end-user license agreement both of which you can view before downloading any such software.Once you download your new driver, then you need to install it.Double-click Network Adapters, then double-click Realtek RTL8191SE Wireless LAN 802.11n PCI-E NIC.Click Yes if a User Account Control window is displayed.Double-click the downloaded file icon to start the installation.Save all work in progress and close open applications.Save this file to a convenient location such as the Windows Desktop.
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