My sister's macbook cant connect to wifi. It said that "no airport card installed". What should we do?

  My sister's macbook cant connect to wifi. It said that "no airport card installed". What should we do?
Help us to solve this problem.

Depends on whether or not the machine is under warranty or not. If it is, just take it to an applestore and let them worry about it. If not, your airport card may have failed and may need to be replaced. It could also be that the card needs to be reseated, which is what I would check first. Look for a guide at ifixit.com.

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  • HT204409 I updated and now I cant connect to wifi, how can I remove the update

    I updated and now I cant connect to wifi, how can I remove the update.My other stuff works, Iphone wifes Ipad etc

    Look at iOS Troubleshooting Wi-Fi networks and connections  http://support.apple.com/kb/TS1398
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    ~~~~~~~~~~~~~~~~~~~~~~~~~
    Wi-Fi Fix for iOS 6
    https://discussions.apple.com/thread/4823738?tstart=240
    iOS 6 Wifi Problems/Fixes
    How To: Workaround iPad Wi-Fi Issues
    http://www.theipadfan.com/workaround-ipad-wifi-issues/
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    http://tabletcrunch.com/2012/10/27/fix-ios-6-wifi-problems-ssid/
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    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
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    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
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    http://ipad.about.com/od/iPad_Troubleshooting/ss/How-To-Fix-My-Ipad-Wont-Connect -To-Wi-Fi.htm
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    iOS: Recommended settings for Wi-Fi routers and access points  http://support.apple.com/kb/HT4199
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    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.
    ~~~~~~~~~~~~~~~
    If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
     Cheers, Tom

  • HT4623 i just updated my ipad to ios 8 but i cant connect to wifi network..its says my password is incorrect although i know my password is correct as successfully updated 2 iphones and connected to same wifi network

    i just updated my ipad to ios 8 but i cant connect to wifi network..its says my password is incorrect although i know my password is correct as successfully updated 2 iphones and connected to same wifi network

    I had the same problem. I reset my network settings as iOS 8 on my iPad 3 seemed a bit slow. When I tried to reconnect to the wifi the correct password was not accepted immediately.
    after retrying several times it did manage to join the network. The only observation I had was that I had a weak signal and an iPhone next to me at the time.
    make sure you are close to the wifi signal away from any other wifi devices.

  • I cant connect to wifi unless i am near the modem

    I cant connect to wifi unless i am near the modem

    Can you please elaborate a bit?
    1. What is the make/model of your Modem?
    2. Who is your iSP?
    3. Do other devices connect successfully to this AP?
    4. Do you have a Mac?

  • Cant Connect to Wifi

    Ever since I updated my iphone 4s, I cant connect to WiFi.
    I've read various threads on WiFi connectivity issues, and tried numerous things to fix it, but none have worked
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    Try update firmware of router.

  • I need help I cant connect on wifi just "unable to join the network"

    I have problem to my WiFi connection
    I cant connect on WiFi home
    and i have MSG unable to join the network
    but my Iphone this is old iPhone 3
    I need help how can I fix it and i don't know if my phone or the router the problem.
    Pls help give me a easy answer and how i solve it.

    Hello, thanks for your answer, I try that reset, nothing change but my WiFi router when I off it my WiFi it is back after a minute my WiFi it doesn't  work again. I think my router WiFi is the problem because I try everything apple community they suggestion still not working.

  • TS1398 I tried all solution but still i am unable to connect to my wifi. It started yesterday when my ipad cant connect to wifi.

    I tried all solution but still i am unable to connect to my wifi. It started yesterday when my ipad cant connect to wifi.

    It's hard to provide help when your question starts out with, "I tried all solutions" however here is some troubleshooting advice.
    If you are having WiFi problems it is necessary to isolate whether the problem is with your network or your iPad. Note: Do NOT consider your network to be blameless if some other devices can connect to it.
    First, test your iPad on some other WiFi networks: a friends, Starbucks, Barnes & Noble, etc.
    If it works well there then the problem is probably with your network. Try restarting your WiFi router by removing power for 30 seconds. If that does not help check for a firmware update for your router. If none exists which corrects the problem consider replacing the router.
    If your iPad does not function well on other networks it possibly has a hardware problem. You could try Settings > General > Reset > Reset Network Settings to see if that corrects the problem. If not, contact Apple Support or visit an Apple store for evaluation. They can provide a replacement if your iPad is bad.
    If you need more help please give the make, model, and version of your WiFi router and how you have it configured.

  • I have a problem with my iphone 4S. I cant connect to wifi a week ago. Can somebody help me please?

    I have a problem with my iphone 4S. I cant connect to wifi a week ago. Can somebody help me please?
    I have tried everything but my iphone continue without connected.
    Thanks.

    Hello.
    My iphone doesn't recognize any signal wifi.
    I have rebooted the red options as indicated on apple portal.
    Also, I have turned off my iphone and when I turn it on don't enable the wifi option, and then I have to turn it off and turn it on again.
    I have restored to the factory settings but the problem continues.
    I don't know anything else to do.
    Regards,

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