Q: Unable to join network on any wifi. Have tried switching off, resetting network settings. Only way to use it now is via hotspot from my iPhone. Can anyone help ?

Some things to try first:

1. Turn Off your iPad. Then turn Off (disconnect power cord for 30 seconds or longer) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.

2. Go to Settings>Wi-Fi and turn Off. Then while at Settings>Wi-Fi, turn back On and chose a Network.

3. Change the channel on your wireless router (Auto or Channel 6 is best). Instructions at

http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html

4. Go into your router security settings and change from WEP to WPA with AES.

5.  Renew IP Address: (especially if you are drooping internet connection)

    •    Launch Settings app

    •    Tap on Wi-Fi

    •    Tap on the blue arrow of the Wi-Fi network that you connect to from the list

    •    In the window that opens, tap on the Renew Lease button

6. Potential Quick Fixes When Your iPad Won’t Connect to Your Wifi Network

http://ipadinsight.com/ipad-tips-tricks/potential-quick-fixes-when-your-ipad-won t-connect-to-your-wifi-network/

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Fix WiFi Issue for iOS 7

http://ipadnerds.com/fix-wifi-issue-ios-7/

iOS 6 Wifi Problems/Fixes

Wi-Fi Fix for iOS 6

https://discussions.apple.com/thread/4823738?tstart=240

How To: Workaround iPad Wi-Fi Issues

http://www.theipadfan.com/workaround-ipad-wifi-issues/

Another Fix For iOS 6 WiFi Problems

http://tabletcrunch.com/2012/10/27/fix-ios-6-wifi-problems-ssid/

Wifi Doesn't Connect After Waking From Sleep - Sometimes increasing screen brightness prevents the failure to reconnect after waking from sleep. According to Apple, “If brightness is at lowest level, increase it by moving the slider to the right and set auto brightness to off.”

Fix For iOS 6 WiFi Problems?

http://tabletcrunch.com/2012/09/27/fix-ios-6-wifi-problems/

Did iOS 6 Screw Your Wi-Fi? Here’s How to Fix It

http://gizmodo.com/5944761/does-ios-6-have-a-wi+fi-bug

How To Fix Wi-Fi Connectivity Issue After Upgrading To iOS 6

http://www.iphonehacks.com/2012/09/fix-wi-fi-connectivity-issue-after-upgrading- to-ios-6.html

iOS 6 iPad 3 wi-fi "connection fix" for netgear router

http://www.youtube.com/watch?v=XsWS4ha-dn0

Apple's iOS 6 Wi-Fi problems

http://www.zdnet.com/apples-ios-6-wi-fi-problems-linger-on-7000004799/

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iPad: Issues connecting to Wi-Fi networks

http://support.apple.com/kb/ts3304

How to Boost Your Wi-Fi Signal

http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Boost-Your-Wi-Fi-Signal.hmL

Troubleshooting a Weak Wi-Fi Signal

http://ipad.about.com/od/iPad_Troubleshooting/a/Troubleshooting-A-Weak-Wi-Fi-Signal.htm

How to Fix a Poor Wi-Fi Signal on Your iPad

http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Fix-A-Poor-Wi-Fi-Signal-O n-Your-iPad.htm

iOS Troubleshooting Wi-Fi networks and connections  http://support.apple.com/kb/TS1398

iPad: Issues connecting to Wi-Fi networks  http://support.apple.com/kb/ts3304

WiFi Connecting/Troubleshooting http://www.apple.com/support/ipad/wifi/

How to Fix: My iPad Won't Connect to WiFi

http://ipad.about.com/od/iPad_Troubleshooting/ss/How-To-Fix-My-Ipad-Wont-Connect -To-Wi-Fi.htm

iOS: Connecting to the Internet http://support.apple.com/kb/HT1695

iOS: Recommended settings for Wi-Fi routers and access points  http://support.apple.com/kb/HT4199

How to Quickly Fix iPad 3 Wi-Fi Reception Problems

http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/

iPad Wi-Fi Problems: Comprehensive List of Fixes

http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/

Connect iPad to Wi-Fi (with troubleshooting info)

http://thehowto.wikidot.com/wifi-connect-ipad

10 Ways to Boost Your Wireless Signal

http://www.pcmag.com/article2/0,2817,2372811,00.asp

Fix iPad Wifi Connection and Signal Issues  http://www.youtube.com/watch?v=uwWtIG5jUxE

Fix Slow WiFi Issue https://discussions.apple.com/thread/2398063?start=60&tstart=0

How To Fix iPhone, iPad, iPod Touch Wi-Fi Connectivity Issue http://tinyurl.com/7nvxbmz

Unable to Connect After iOS Update - saw this solution on another post.

https://discussions.apple.com/thread/4010130

Note - When troubleshooting wifi connection problems, don't hold your iPad by hand. There have been a few reports that holding the iPad by hand, seems to attenuate the wifi signal.

Some Wi-Fi losses may stem from a problematic interaction between Wi-Fi and cellular data connections. Numerous users have found that turning off Cellular Data in Settings gets their Wi-Fi working again.

You may have many apps open which can possibly cause the slowdown and possibly the loss of wifi. In iOS 4-6 double tap your Home button & at the bottom of the screen you will see the icons of all open apps. Close those you are not using by pressing on an icon until all icons wiggle - then tap the minus sign. For iOS 7 users, there’s an easy way to see which apps are open in order to close them. By double-tapping the home button on your iPhone or iPad, the new multitasking feature in iOS 7 shows full page previews of all your open apps. Simply scroll horizontally to see all your apps, and close the apps with a simple flick towards the top of the screen.

Wi-Fi or Bluetooth settings grayed out or dim

http://support.apple.com/kb/TS1559

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If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.

 Cheers, Tom