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Double-click network adapters, and verify that realtek rtl8191se wireless lan 802.11n pci-e nic is listed.
Install realtek rtl8188etv wireless lan 802.11n usb 2.0 network adapter driver for windows 7 圆4, or download driverpack solution software for automatic driver installation and update. REALTEK 5GHZ DRIVER (realtek_5ghz_1284.zip)
If your PC can't connect to the internet, you'll need to download a driver on a different PC and save it to a USB flash drive so you can install the driver on your PC. Visit the PC manufacturer’s website and download the latest network adapter driver from there. Before uninstalling, make sure you have drivers available as a backup. This package installs an updated version of the Microsoft Windows 7, Vista and XP device driver for the Realtek Ethernet that comes preinstalled in your computer.