Macbook Air won't detect Apple TV or wireless printer
I purchased a Macbook Air with Mavericks a couple of months ago and had a wireless HP Photosmart printer, which I set up on the macbook. The machine recognised it over the wireless network and then all of a sudden one day I could not print to it. So I removed it to try a reinstall and the macbook would not detect it again after that. I have had to buy a cable to physically connect the printer to the machine when I need to print or scan.
Then I recently got my hands on an Apple TV a couple of weeks ago and it is working fine on the network, I can mirror the iPad on it but when it comes to the macbook, the Airplay Display is showing "No device detected". However, when I open iTunes and all of the Home Sharing is enabled etc (I have followed all of the guidelines to enable all of the settings for sharing ...), I go into Computers on the Apple TV and it attempts to load my iTunes library for a couple of minutes, after which time it says it could not connect.
I'm basically wondering if there is some setting on the macbook that I can't find that may need to be changed to allow me to see devices over the wifi at home.
I've been looking for a while but may just be looking in the wrong places. Any help appreciated for an Apple Noob
Try the following steps, check whether things are working after each step where appropriate, before trying the next.
Check AirPlay is turned on on the Apple TV (turn it off and on if it already is)
Check that both devices are on the same network (Settings > Wifi, on the mobile device and Settings > General > Network, on the Apple TV).
Restart the Apple TV (Settings > General > Restart).
Restart the Apple TV by removing ALL the cables for 30 seconds.
Restart your router. (Also try removing it’s power cord for at least 30 seconds)
Restart your mobile device.
If you are still having problems, the following article(s) may help you.
Troubleshooting AirPlay
Troubleshooting Wi-Fi networks and connections
Recommended Wi-Fi settings
Wifi Diagnostic Software (for Mac users)
You may also find some help on this page, where I’ve collected some of the more unusual solutions to network issues.
When making adjustments to your network for better optimisation, you may find some of the points mentioned on this page helpful.
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In Summary:
Macbook air used to work perfectly on home wifi
Wifi dropped one day and all devises lost connection but when the wifi was fixed the MBA wouldn't detect it anymore even though all other devises did
MBA still works on all other wifi networks
How can I get my MBA to detect the home wifi again / why won't they link anymore?
My home wifi (Sky is the provider) dropped one day because the lines went down but after it was fixed the macbook air (2012) stopped detecting it..
The macbook will detect any other wifi network (office, public, friends houses etc) and works perfectly but will not even pick up the home wifi.
This is particularly confusing because all other devises including iphones, laptops, tablets etc will detect my home wifi without a problem.
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Any suggestions would be much appreciated.Go to System Preferences > Network. Select Wi-Fi or AirPort from the left column. Click the Advanced... button.
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OK then Apply.
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dohdoh1985, I have the exact same problem also! I recently bought a 42" RCA LCD TV. I connected my MacBook Pro to my TV using a Dynex Mini DisplayPort to HDMI adapter that I got from BestBuy. It worked great until I upgraded to Mac OS 10.6.4 and then it suddenly stopped working. Same TV, same settings, same cables, same adapter. Nothing changed since the last time it worked except that my OS was upgraded to 10.6.4, so i am assuming that is the culprit. The symptoms are EXACTLY the same as what dohdoh1985 described; when I plug in the TV, the laptop display flashes (3 times) as though it is detecting an external display and the picture on the TV briefly goes from blue to black for about 1 second then back to blue. The TV does not appear in the display menu / control panel and there is no sign that the MacBook detected it. I went through the usual troubleshooting steps (reset PRAM, checked connections, tv settings, etc) but nothing worked. Other HDMI sources (i.e. Blu-ray player) work fine on the TV using the same HDMI cable on the same port so there is nothing wrong with the cable, the TV or the TV's input settings.
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See this article:
http://support.apple.com/kb/ht3964
Find the section that applies to your computer, and follow the instructions.
Shut down the computer.
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Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.
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