WiFi channel disappears when I tried to connect to a 5Ghz WiFi


i have retina macbook pro 13" 11,1 model. found can't connect friend wifi 5ghz. network tried take @ , found weird.

1. @ first mbp can see 5ghz wifi network when try connect it, failed , after mbp can't see network again.

2. have remove configuration in "/library/preferences/system configuration" folder restart. after restarting mbp can see network failed connect , can't see again.

3. took @ system information. in wifi section saw supported channels data.

3.1 before try connect 5ghz network , while mbp can see network supported channel listed 165 (which channel wifi using)

3.2 after try connect , failed, 165 channel disappear supported channel list



hardware issue or software , how can fix it?



machine information

- retina macbook pro 13" 11,1 model

- os x el capitan beta 4

- note issue occurred since yosemite 10.10.3


macbook pro retina display, os x yosemite (10.10.4)
 

if going use 165 router needs set 40mhz or 20mhz (whichever not set right now), or pick lower channel
 


Forums Macs Notebooks MacBook Pro


  • iPhone
  • Mac OS & System Software
  • iPad
  • Apple Watch
  • Notebooks
  • iTunes
  • Apple ID
  • iCloud
  • Desktop Computers
  • Apple Music
  • Professional Applications
  • iPod
  • iWork
  • Apple TV
  • iLife
  • Wireless

Comments

Post a Comment

Popular posts from this blog

OS X El Capitan on Unsupported Macs

Image
os x el capitan (10.11) on unsupported macs macos extractor , macpostfactor apps guide through patching , installing os x el capitan (10.11), yosemite (10.10), mavericks (10.9), or mountain lion (10.8) on older mac. thread focuses on os x el capitan. macpostfactor works mountain lion, mavericks, yosemite, , el capitan. please note older gpu (gma 950, x3100, x1600, x1300, x1900, 7300gt, etc.) graphics acceleration on mavericks, yosemite, , el capitan not supported yet. installing on these models may cause them have graphical issues stated in these pages. kexts provided little bit. macos extractor more advanced users , should only used alternative macpostfactor. thread consists of members prominent in these patches can solve issues. please not hesitate post if have questions. ​ apple history os x 10.6 snow leopard first os x version optional support 64-bit kernel, allowing booting either 32-bit or 64-bit kernel. however, apple did not support...
Read more

[SOLVED] SFOTT usb key not bootable Mavericks

hi, have attempted created new sfott usb key on macpro 1,1 running os x 10.7 lion using tiamo's sfott.app. trying install mavericks on machine. the usb key not bootable. i looked @ script , found these errors: [replace boot.efi] check if tiamo's boot.efi there no (graphic) boot.efi found in working directory downloading boot efi file macrumors http://forums.macrumors.com/attachment.php?attachmentid=449242 credits tiamo http://forums.macrumors.com/member.php?u=460956 [|] unzip archive working directory ditto: couldn't read pkzip signature ls: /tmp/sixtyfouronthirtytwo/tiamobootefig/boot.efi: no such file or directory no (verbose) boot.efi found in working directory downloading boot efi file macrumors http://forums.macrumors.com/attachment.php?attachmentid=449107 credits tiamo http://forums.macrumors.com/member.php?u=460956 unzip archive working directory ditto: couldn't read pkzip signature ls: /tmp/sixtyf...
Read more

Performance boost?

can installed 10.11 please run geekbench?   2861 single-core score 5989 multi-core score   Forums Macs macOS OS X El Capitan (10.11) iPhone Mac OS & System Software iPad Apple Watch Notebooks iTunes Apple ID iCloud Desktop Computers Apple Music Professional Applications iPod iWork Apple TV iLife Wireless
Read more