AC600 T2U Plus is disconnecting in Windows 10 (freezes/lags in game)
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I had huge lags/freezes in Overwatch game.
Then I realised that T2U Plus USB card is getting disconnecting.
So I used USB Tathering from my phone and I had 0 lags.
That means It's T2U Plus issue.
What I tried already:
- disablind driver updates in Win10 (preventing drivers overriding)
- tested official drivers and drivers brought by Windows update
- setting Power plan in Windows for maximum performance
- disabling selective suspend for USB ports / USB devices / T2U Plus card
- testing T2U Plus in different USB ports (USB2.0 and USB 3.0)
- different wireless modes a/n/ac, ac, b/g/n.
- disabling IPv6
What I didn't try yet:
- testing T2U Plus in different PC/Laptop
- testing with different OS / different Win 10 version
- use usb extension cable (USB port overheating theory)
Adapter model: AC600 Archer T2U Plus V1
MOBO: MSI B450M MORTAR MAX
CPU: AMD Ryzen 5 3600
OS: Windows 10 Pro (v2004)
Please, help 
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1. Lets say it is happening every 10-20s. I live in Hotel. Router must be somewhere near me. Signal is great. Like I said before - I don't have any lags and any problems while using my phone's USB Tathering.
2. I'm unable to change it. All options that I have in Advanced settings:
AdaptivityPara - 0,
EnableAdaptivity - Auto,
HLDiffForAdaptivity - 7,
L2HForAdaptivity - Auto,
QoS Support - True,
Roaming Aggressiveness - Disable,
VHT 2.4G IOT - Enable
Wireless Mode - Auto
3. Yes. My girlfriends is sitting near me, playing same game on laptop without any issues. When I'm using USB tathering I also don't have any lags. If I will be able to switch between 2.4Ghz and 5GHz that would be great. Unfortunately I have no idea how to change it.
4. I'm not getting any messages. In Event Log for this device I don't see any errors/warnings. All I can see is that WIFI icon in tray is changing for "Globe" when I have "freeze" in game. After few seconds connection is coming back and I'm dead in game.
5-7. Skipping.
8. Driver version: 1030.29.1102.2017, Date of driver: 18.07.2018
OS: Microsoft Windows 10 Pro N (10.0.19041 Compilation 19041)
CPU: AMD Ryzen 5 3600
BIOS: American Megatrends Inc. 2.70, 21.04.2020
SMBIOS: 2.8
MOBO: B450M MORTAR MAX (MS-7B89)
MOBO Version: 1.0
Adapter was bought in online store. Sealed with foil. New one. Issue started from first minutes of usage. I belive it's Driver issue.
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Update:
Router is located about 4,5m from me. One wall between us.
Like I said before - signal is great, Zero problems while using my Phone with USB Tathering.
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1. I'm using WIFI connection. Not mobile data.
2. It's probably ZyXEL NWA1123 AC Pro, dual band.
3. If I'm not playing device is not disconnecting. If I download large files then device might disconnect many times while downloading.
I will try that driver tomorrow.
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@Masakrator I have the same problem. Router in the same room, tp-link router actually.
It has been the same problem from the start but in the beginning I could both use it for 2.4G and 5G but then the 5G stopped working.
I changed the channel (46) on the router so my ac600 could find the G5. Fixed.
But I can not keep a steady connection on teams or zoom nor when I play online games.
I have tried both 2.4G and 5G.
The speed of my connection is above 150mbs so it should not be a problem.
BUT when I use my phone USB tethering it is not a problem.
I have used the link above for static tplink. It might actually have sped um my connection 10-15% but did not fix the big lag problem.
Please help.
Adapter model: AC600 Archer T2U V3
MB: Gigabyte Z68A-D3H-B3
CPU: Intel i7 2600 / 3.49GHz
OS: Windows 10 Pro 64-bit
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What is the model number of the TP-Link router?
This is the latest public driver for the T2U adapter, please try to install it manually on the computer and see if it helps:
https://static.tp-link.com/2020/202006/20200601/00015960-RTLWlanU_WindowsDriver_1030.38.0712.2019_Drv_3.00.0032.L.zip
Please remove all the drivers for this adapter on the computer, install the above driver manually: https://www.tp-link.com/support/faq/920/.
BTW, you may run a Wi-Fi analyzer on the PC to verify which channel is busy and which is clear for the 5G and 2.4G network, then choose a clear channel on the router, change the 2.4G channel width to 40MHz, and 5G to 80MHz on the router, then reboot both the router and the PC to confirm.
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