New
#1
WiFi card sometimes no more recognized "No adapter found"
I own an Asus N53SV which is shipped with an Atheros AR9002WB-1NG Wireless Network adapter, its current driver version is 9.2.0.458 (no updates are available through the built-in Windows 7 Driver Update).
Sometimes when moving the laptop around the office the WiFi adapter stops working and the icon in the system tray shows that not connection are available:
I suspect a non fatal hardware issue, maybe the very very low bending that happens when moving the laptop cause the issue.
Running the troubleshooter doesn't recover the WiFi, nor does flipping the physical switch on the side of the laptop. The WiFi adapter acts like it is turned off.
The only way I've found so far to recover the use of WiFi is to reboot the computer.
It is interesting to note that knowing about this issue, if I standby the laptop when carrying it around and then turn it back on the WiFi keeps working fine. So the adapter goes in trouble only when the PC is ON. I asked my local shop for an estimate of the repair but he said that only opening the laptop and searching for the issue would cost me 50€. Since the WiFi adapter 100% recovers from a reboot I'm fine with this solution for now.
I would like to investigate the issue more and maybe find a way to "reboot the adapter without rebooting the PC", there must be something during boot that re-establish connection with the adapter and I bet there is a way to mimic it via command line without rebooting the whole pc.