Ubuntu: Ethernet Network Disconnecting - Atheros AR8152


I'm new to Ubuntu and i just brows the web and edit photo's. I'm running a Ubuntu server for 1 year now and i love it. But now when I'm just doing something the WiFi icon look like it searching and then it connects but without a notification. but instead i get a disconnected error. here is a screen shot:

enter image description here Here is some of the output of lspci -v:

01:00.0 Ethernet controller: Qualcomm Atheros AR8152 v2.0 Fast Ethernet (rev c1)          Subsystem: ASUSTeK Computer Inc. Device 8468          Flags: bus master, fast devsel, latency 0, IRQ 46          Memory at f7fc0000 (64-bit, non-prefetchable) [size=256K]          I/O ports at ec00 [size=128]          Capabilities: <access denied>          Kernel driver in use: atl1c    02:00.0 Network controller: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) (rev 01)          Subsystem: AzureWave AW-NE785 / AW-NE785H 802.11bgn Wireless Full or Half-size Mini PCIe Card          Flags: bus master, fast devsel, latency 0, IRQ 17          Memory at fbff0000 (64-bit, non-prefetchable) [size=64K]          Capabilities: <access denied>          Kernel driver in use: ath9k  


I did fix it! i did go to the connection icon and then to settings and deleted the ethernet connection! so now it doesn't give me the error!


Ensure your kernel is up to date and try:

sudo -s  echo "options ath9k nohwcrypt=1" > /etc/modprobe.d/ath9k.conf  

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