After finding a few reports of similar issues caused by a hardware problem, I replaced the WiFi card. For a month since, I've had no issues, which suggests it was a hardware problem. Therefore, I'd like to close this report
After finding a few reports of similar issues caused by a hardware problem, I replaced the WiFi card. For a month since, I've had no issues, which suggests it was a hardware problem. Therefore, I'd like to close this report