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1. #Qualcomm atheros qca61x4a wireless network adapter drivers#
2. #Qualcomm atheros qca61x4a wireless network adapter windows 10#
3. #Qualcomm atheros qca61x4a wireless network adapter software#

Unfortunately, 10 seconds didn't work for, but a few hours did! I have read a similar fix working for some user, i.e., switching off the PC and removing the power cord for 10 seconds did the job for them. Losing all hope, and I was quite convinced that this is a hardware issue, I switched off the PC for a few hours, even removed the power cord and after that, I booted into Ubuntu again, and there it was working again. And the wifi did NOT connect, in fact it showed wifi adapter not found in settings! So I tried the method of running it in a different OS, and I tried it both on my dual boot system (On Ubuntu) and a bootable usb drive.

#Qualcomm atheros qca61x4a wireless network adapter software#

But now it seems to me that a software issue is more likely. I assumed the issue was closely related to power.

#Qualcomm atheros qca61x4a wireless network adapter drivers#

I have also seen some other users having a similar problem and some recommended bizarre solutions such as 'Turning off the PC and removing the power cord for 10 seconds' or leave it as it is and Windows will fix it, to updating certain drivers (Since this one was for Intel Adapter, I didn't apply it). Qualcomm Atheros QCA61x4A Wireless Network Adapter "Miniport Qualcomm Atheros QCA61x4A Wireless Network Adapter,, had event Fatal error: The miniport has failed a power transition to operational power

I found a power log (see below) that corresponds to my issue, and occurred right after the computer came out of sleep mode. I also installed a related Windows update: Qualcomm Incorporated - Ports - 12:00:00 AM - 2.1.2.2.įor further diagnosis, I check Windows Event Viewer and searched for logs around the time of the incident. I tried various ways to fix it, including installing official drivers from the manufacturer's website and updating the BIOS. However, the Bluetooth adapter wont show in Device Manager either, instead it shows "Bluetooth Device(Personal Area Network)". The adapter has both WiFi and Bluetooth modules in it. This time I was unable to find the WiFi adapter in the device manager's network adapter section.

This has happened earlier and I used to do this: I went to the device manager and in the network adapter section, would choose Qualcomm Atheros Wireless and I would disable and enable it. I cannot find it in the list of available networks. Right around when the battery was around 10-20%, I decided to put it on sleep for a few hours until I got the power supply.Īfter a few hours, I opened the system and the WiFi was gone. My WiFi was working fine recently, I had no power supply so it was running low on battery. The wireless adapter is a Qualcomm Atheros QCA61x4A Wireless Network Adapter.

#Qualcomm atheros qca61x4a wireless network adapter windows 10#

I am using Windows 10 Home on an Acer Swift SF315-41.