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Hello,
I am experiencing an issue with my Intel Wi-Fi adapter on Windows 11. Despite multiple troubleshooting attempts, I cannot connect to my 5GHz Wi-Fi network. Here's a summary of the problem:
- On Windows 11, the 5GHz Wi-Fi network is detected during scans but appears with a cross, and I am unable to connect.
- The 2.4GHz works but not exceed 144/144mbps.
- I have reinstalled Windows several times and installed the latest driver for my Intel Wi-Fi adapter directly from the official Intel website.
- To confirm that this is not a hardware issue, I tested the same setup using Ubuntu on the same device, and the 5GHz Wi-Fi works perfectly without any changes to the hardware or router.
Steps I've already tried on Windows:
- Ensured the 5GHz band is enabled in the adapter's advanced settings in Device Manager.
- Used the Intel Driver & Support Assistant to check for and install the latest drivers.
- Verified that the 5GHz network is properly configured on my router.
- Tested with different router channels (below 48) to ensure compatibility.
- Checked power-saving settings and set the wireless adapter to "Maximum Performance" in the Windows power options.
Despite these efforts, I am still unable to connect to 5GHz Wi-Fi on Windows 11.
Additional Information:
- My router is a Sagemcom Livebox 6 with dual-band Wi-Fi where too many device are connected via 5Ghz.
- The issue seems software-related since Ubuntu connects without any issues.
I would appreciate any advice or guidance on resolving this issue. If you need more technical details or logs, please let me know.
Thank you in advance for your help!
Best regards,
Amine
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