Can't find 5Ghz wifi on laptop

Can my HP Envy Ultrabook (4-1215dx) network adapter be upgraded to a dual band (5ghz) instead of just 2.4ghz?

Hi,
Page #52 of the first manual on the following link shows you a list of wireless cards for your machine:
http://h10025.www1.hp.com/ewfrf/wc/manualCategory?cc=us&lc=en&product=5360163
Please note: Not all cards in the list will work on your machine.
Regards.
BH
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Try the following to rule out a software problem:
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- Restore from backup. See:
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~~~~~~~~~~~~~~~~~~~~~~~~~
iOS 6 Wifi Problems/Fixes
Fix For iOS 6 WiFi Problems?
http://tabletcrunch.com/2012/09/27/fix-ios-6-wifi-problems/
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http://gizmodo.com/5944761/does-ios-6-have-a-wi+fi-bug
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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/
~~~~~~~~~~~~~~~~~~~~~~~
Look at 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/
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.
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

TS1398 I can't find my wifi name or signal or any other wifi spots and I'm right next to my wifi router box and my iPod isn't detecting my wifi router box I'm my house

I can't find my wifi name or signal or any other wifi spots and I'm right nepxt to my wifi router box and my iPod isn't detecting my wifi router box I'm my house

If not:
iOS: Wi-Fi or Bluetooth settings grayed out or dim
One user reported that placing the iPod in the freezer fixed the problem.
If not successful, an appointment at the Genius Bar of an Apple store is usually in order.
Apple Retail Store - Genius Bar
Then
Does the iPod connect to/see other networks? (you were not clear)
Does the iPod see the network?
Any error messages?
Do other devices now connect?
Did the iPod connect before?
Try the following to rule out a software problem:
- Reset the iOS device. Nothing will be lost
Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Power off and then back on the router
- Reset network settings: Settings>General>Reset>Reset Network Settings
- iOS: Troubleshooting Wi-Fi networks and connections
- Wi-Fi: Unable to connect to an 802.11n Wi-Fi network
- iOS: Recommended settings for Wi-Fi routers and access points
- Restore from backup. See:
iOS: How to back up
- Restore to factory settings/new iOS device.
If still problem make an appointment at the Genius Bar of an Apple store since it appears you have a hardware problem.
Apple Retail Store - Genius Bar

My iphone can not find the wifi networks

my iphone can not find the wifi networks

Is your router plugged in? Do you have internet?
Come on...
I have the same issue. Yesterday I could connect to my wifi just fine, but today I turned on my wifi and the wheel just spins and spins. I restart my phone and I get the "greyed out" wifi switch. So I restart, and I'm back to square one. The wheel just keeps spinning.
I've updated the router firmware, I've power cycled everything multiple times, and still nothing.
Can anyone give a real solution? Or do we just have to suffer until apple update this **** IOS6?

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My macbook air can't find the home wifi. It can, however, find the neighbours' wifis. The home wifi is working fine with my other laptop and iphone so the wlan router is working.
I can't add the network by manually entering its name (says "no network found")
This happened suddenly without any changes to my computer or the wifi settings.
My computer is a 1-year old macbook air. I haven't found any threads with a real, working solution for this issue so any help is greatly appreciated!
Thank you

ojjo8 wrote:
Do you honestly not think those were the first two things i did when i encountered the problem...
And unfortunately no, neither option works.
Thanks
Many people do not power cycle their routers when having wifi issues.
When attempting to get help here or on any forum always include everything you have attempted to solve the issue and never assume anybody knows what you have or haven't done unless it is explicitly stated.
Next troubleshooting steps:
- Network Preferences > Advanced
Delete all preferred networks, restart
- Change your router's wifi channel to a channel > 5 from the one in current use

Can't find 5Ghz wifi on laptop

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