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Windows 7: Wireless adapter stops working after 15 minutes.

04 Apr 2012   #1

windows 7 32bit
 
 
Wireless adapter stops working after 15 minutes.

Hi all, I have a problem and can't seem to find anything similar online after over an hour of searching.

My connection works perfectly for 15ish minutes, then I get disconnected. The wireless icon at the bottom left has a red x and says that there are no connections available.

In the network connections window my wireless adaptor also has a red X. If I try to disable it the computer becomes completely unresponsive and I have to manually reboot it, then it works fine for 15 more minutes etc.

I ran the check for new drivers but it said it was up to date.

Computer is a Samsung r530 laptop.
Wireless adapter is Atheros AR9285.
Connected to a wireless router, which seems to be working. (fine on other laptop and Ipad in the house)

The same setup has worked fine for the past year at least.

Thank a million in advance to anyone who can help me out.


My System SpecsSystem Spec
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04 Apr 2012   #2

Windows 7 Ultimate x64 SP1
 
 

Have you changed anything on your laptop (installed software, removed software, added/removed drivers, dropped it, etc)? Is your A/V up to date, and have you scanned for viruses lately? Have you checked your event logs to see if there is anything listed that is related to your disconnects?
My System SpecsSystem Spec
04 Apr 2012   #3

windows 7 32bit
 
 

I installed AVG about 3 weeks ago. Some of the replies to problems similar semmed to suggest AVG was responsible for this type of crash.

I ran a virus scan before posting and it was clean.

I'm currently using an ethernet cable connected to the same wireless modem and it works fine by the way.
My System SpecsSystem Spec
.


04 Apr 2012   #4

Windows 7 Ultimate x64 SP1
 
 

I would completely uninstall AVG, reboot, then download and install Microsoft Security Essentials. See if you continue to have wireless problems.
My System SpecsSystem Spec
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 Wireless adapter stops working after 15 minutes.




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