Intel recommends that you contact your computer manufacturer to obtain the latest drivers, you can find their contact information here: Computer Manufacturer Support - If after using your OEM's latest driver you still notice the issue, as a second option you can use our latest drivers found in our Download Center: Downloads for Intel® Dual Band Wireless-AC 7260 - Make sure to download the one the right for your system obeying your OS architecture: (32 or 64 Bit).
Here are some tips that may help you improve your experience with this Intel® Wireless Adapter:
1 - Change the channel on the router to a less crowded one.
2 - Close all other applications that could be using internet in the background if their use are not necessary at the moment you are playing the game.
3 - Optimize your connection:
- Disable Power Saving Funticons: Go to Control Panel >> Hardware and Sound >> Power Option >> Set the High Performance and apply to default settings
- Check Change Plan Settings: Change Adavanced Power Settings >> Intel® Dual Band Wireless-AC 7260 >> Power Saving Mode and make sure both on Battery and Plugged in are set to maximum Performance.
- On Device Manager >> Network Adapter >> right click on the adappter and select Properties, then select the value of U-APSD support to Disabled.
- Check the Transmit Power and make sure it is sent to 5. Highest.