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iPad WiFi - suddenly cannot see any networks to connect to

My iPad WiFi was working until this evening when suddenly it couldn't sense any networks. I have tried resetting iPad, restarting router, downloaded all updates for iPad, reset all network setting and even RESET ALL SETTING (where I lost all downloaded apps and settings) and still nothing. It doesn't see any networks.

I tried manually entering my network Name and password and it says "Could not scan for wireless networks". What does that mean.

I am new to apple and iPad. I have three PCs in the house which haven't experienced any network issues and are currently working fine.

iPad, iOS 4, none

Posted on Apr 10, 2011 11:45 PM

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10 replies

Apr 11, 2011 6:17 PM in response to CKlomp

Hey, I also have this same problem with my iPad. It worked fine on 04/09/11 and then on 04/10/11 it would not recognize my network. I also went through all those troubleshooting steps with no luck (Airplane mode, WiFi on and off, rest the iPad, reset network settings, and a couple of others). I have change all sorts of wireless settings on my Airport Extreme, created a guest network, and created a hidden wireless N network, all with no luck. Any help would be greatly appreciated. Otherwise it is off to the apple store tomorrow.

Apr 13, 2011 1:56 AM in response to AGissm30

Does your network use VLAN tag?
I found that the problem was due to VLAN tag on the network although I do not have a solution.

The iphone3GS (OS version 4.3) is connected to wireless access point of our office network.

It hangs after sometimes (after 10mins to a few hours). Need to off and on the iphone wifi and it work again.
Found that the 'hang' problem only occur when the iPhone is connected to wireless access point that is connected to a LAN port with a set VLAN tag (802.11q).
The iPhone will not hang if the LAN port has no VLAN tag setting (or have setting removed).
Tested same thing happens with iPhone4 and iPad as well. Same result.

Does anyone have any advice for this problem?

Apr 13, 2011 3:21 AM in response to CKlomp

I have the exact problem Rodney described. It works for a while and then it will not connect to the internet. This started to happen more often in the last few weeks. Resetting the router or power off and on the iPAD will work, but after idle for a while, the same problem will reappear. I do believe this is something Apple iPAD team should look into seriously. It appeared to be an iPAD issue and not a router one. This makes the iPAD not desirable to use.

This happens multiple times within a single day usage.

iPad WiFi - suddenly cannot see any networks to connect to

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