Wifi doesn't work after screen replacement

My husband was gracious enough to replace the screen on my ipad 2. However, now, I can't connect to wifi unless I'm right next to the router.The antenna needs alot of signal to see any network. He verified the antenna isn't broken. Any ideas on how to fix this problem?

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 droping 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/
~~~~~~~~~~~~~~~~~~~~~~~~~
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/
~~~~~~~~~~~~~~~~~~~~~~~
How to Boost Your Wi-Fi Signal
http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Boost-Your-Wi-Fi-Signal.h tm
Troubleshooting a Weak Wi-Fi Signal
http://ipad.about.com/od/iPad_Troubleshooting/a/Troubleshooting-A-Weak-Wi-Fi-Sig nal.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
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.
Wi-Fi or Bluetooth settings grayed out or dim
http://support.apple.com/kb/TS1559
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

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M3800 Developer Edition: wifi doesn't work after sleep

I have an M3800 Developer Edition (2015 model). Ubuntu is factory-installed 14.04, with hardware enablement stack installed. Recently (past 1-2 weeks) wifi doesn't work after sleep (lid closed or open doesn't matter), and only rebooting gets in back. Tried rmmod and modprobe with no success. Has anyone else seen this, and/or are you aware of any open bug(s) for this?
Relevant ouput:
lsmod when problem exists:
iwlmvm                217725 0
mac80211              652718 1 iwlmvm
iwlwifi               179412 1 iwlmvm
cfg80211              494362 3 iwlwifi,mac80211,iwlmvm
rfkill list when problem exists:
1: phy0: Wireless LAN
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        Hard blocked: no
3: hci0: Bluetooth
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rmmod the above, then modprobe iwlwifi. Does not fix problem, only rebooting does:
May 4 08:23:14 jonathan-m3800 kernel: [69089.189614] cfg80211: Calling CRDA to update world regulatory domain
May 4 08:23:14 jonathan-m3800 kernel: [69089.192181] cfg80211: World regulatory domain updated:
May 4 08:23:14 jonathan-m3800 kernel: [69089.192184] cfg80211: DFS Master region: unset
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May 4 08:23:14 jonathan-m3800 kernel: [69089.192187] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
May 4 08:23:14 jonathan-m3800 kernel: [69089.192188] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
May 4 08:23:14 jonathan-m3800 kernel: [69089.192189] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
May 4 08:23:14 jonathan-m3800 kernel: [69089.192190] cfg80211:   (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
May 4 08:23:14 jonathan-m3800 kernel: [69089.192191] cfg80211:   (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
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May 4 08:23:14 jonathan-m3800 kernel: [69089.204143] Copyright(c) 2003- 2014 Intel Corporation
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May 4 08:23:14 jonathan-m3800 kernel: [69089.208150] iwlwifi 0000:06:00.0: L1 Enabled - LTR Enabled
May 4 08:23:14 jonathan-m3800 kernel: [69089.392408] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs'
May 4 08:23:14 jonathan-m3800 NetworkManager[901]:    SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:1c.2/0000:06:00.0/net/wlan0, iface: wlan0)
May 4 08:23:14 jonathan-m3800 NetworkManager[901]:    SCPlugin-Ifupdown: device added (path: /sys/devices/pci0000:00/0000:00:1c.2/0000:06:00.0/net/wlan0, iface: wlan0): no ifupdown configuration found.
May 4 08:23:14 jonathan-m3800 NetworkManager[901]: <info> (wlan0): using nl80211 for WiFi device control
May 4 08:23:14 jonathan-m3800 NetworkManager[901]: <info> (wlan0): driver supports Access Point (AP) mode
May 4 08:23:14 jonathan-m3800 NetworkManager[901]: <info> (wlan0): new 802.11 WiFi device (driver: 'iwlwifi' ifindex: 4)
May 4 08:23:14 jonathan-m3800 NetworkManager[901]: <info> (wlan0): exported as /org/freedesktop/NetworkManager/Devices/2
May 4 08:23:14 jonathan-m3800 NetworkManager[901]: <info> rfkill5: found WiFi radio killswitch (at /sys/devices/pci0000:00/0000:00:1c.2/0000:06:00.0/ieee80211/phy0/rfkill5) (driver iwlwifi)
May 4 08:23:16 jonathan-m3800 ModemManager[852]: <warn> Couldn't find support for device at '/sys/devices/pci0000:00/0000:00:1c.2/0000:06:00.0': not supported by any plugin
lspci:
06:00.0 Network controller: Intel Corporation Wireless 7260 (rev 6b)
After reboot:
lsmod |grep -i iwl:
iwlmvm                217725 0
mac80211              652718 1 iwlmvm
iwlwifi               179412 1 iwlmvm
cfg80211              494362 3 iwlwifi,mac80211,iwlmvm
rfkill list after reboot:
0: nfc0: NFC
        Soft blocked: no
        Hard blocked: no
1: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
2: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no

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Thanks head_on_a_stick, i've updated it.
Last edited by enlighter (2015-05-06 07:11:16)

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