@AlainH
Good day.
Thank you very much for your time and patience.
Sorry for the delay.
For your case, we might need your help to check the following information:
- How long have you had Archer T9UH?
- How many times would it happen within one day?
- When the computer crashed, what did you need to do to recover the normal connection?
- Could you please help me check the system info and driver info on the computer?
By the way, what is the typical issue when the computer crashed, like no internet, no response on the computer, blue screen?
If possible, please try to update the driver to be the following one:
https://static.tp-link.com/2019/201911/20191129/T9UH.zip
Thank you very much!