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Issues with Realtek RTL8822BE 802.11ac PCIe Adapter...

HP Recommended
Pavilion 15-cx0020nf
Microsoft Windows 10 (64-bit)

Hello, I've been having several issues with my wifi adapter.


First of all I'm getting disconnected from Internet several times a day ever since I bought this laptop. When I diagnose my network connection I get the message "default gateway is not available : Solved" and that fixes it temporarly, but it doesn't prevent future disconnections. It's sometimes very annoying, I already experienced getting disconnected twice whithin a 5min gap. I'm only experiencing such a thing with this laptop, I'm not getting disconnected on other devices.


The second problem I'm getting is quite recent. I've only been using 5ghz wifi ac, and I was getting 300Mb (download)/200Mb (upload) internet speed consistently for months. I'm still getting the same speed with my phone/second laptop. However, since I got disconnected from the Internet again yesterday, I tried using windows diagnostic tool as always to restore the connection but the PC lagged out and I got a BSOD. After it restarted I felt like the internet speed was reduced, and indeed when I tested it out I've only been getting 80download/4upload since then on this laptop. Ethernet speed is still the same aswell as WIFI speed on other devices. The upload speed is the real issue, I could do with the 80Mb/s download speed even though I was getting 300Mb/s a few days ago. I thought it might've switched to the 2.4ghz frequency but it says that it's connected to 5ghz in VHT mode. I've tried using different drivers to no avail. The one I'm currently using is the latest (dating from Feb 2020). It's more and more becoming a nightmare to get the WIFI working correctly on this model. I also wanted to add that I'm using the Bluetooth regularly so I haven't tried disabling it (I saw a few people advising to do it), I can't afford to do so. Also, BIOS is up to date. Appreciate a solution please

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Welcome to HP support community.


Here's what you need to do to fix the issue:

  1. Remove All Barriers: Certain building materials can get in the way of weaker signals like Bluetooth. Metal, bulletproof glass, concrete and plaster are particularly bad, and marble, plaster and brick aren’t great easy. So if you’re really struggling with interference, your first step should be to move your Bluetooth devices away from these materials. That means no brick walls between you and your devices, and definitely no metal desks!
  2. Change Router Channel: If you have an Apple router and you’re constantly getting interference with your WiFi, try rebooting it. Upon restart, the station will search for a new channel. Specifically, a different channel than the one your Bluetooth devices are using to communicate. If you don’t have an Apple router, you may need to instead go into your router settings and try changing the channel manually. Experiment with different channels to see which one works best.
  3. Move Closer to Your Router: If you often find that you’re getting interference when talking on a wireless headset while on a WiFi call (you’ll know because you’ll hear static), try moving closer to your router. This will give you a more robust WiFi connection, so the Bluetooth frequency can’t overpower it.
  4. Get Away From Microwaves and Fluorescent Lighting: Both emit frequencies of 2.4GHz, and moving away from them will distance you from the source.

That said, The best way to resolve the issue is by using the HP Guided Troubleshooter: 


(simply select your description of the issue from the bottom of the screen to gain access to the next set of steps that should resolve your concern).


I hope that helps.

To thank me for my efforts to help you, please mark my post as an accepted solution so that it benefits several others.


I am an HP Employee

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