sound won't unmute on lion 10.7.4

-

hi everyone,

morning computer started mute box checked in system preferences/sounds , it's grayed can't uncheck it. songs won't start on itunes, tried both internal speakers , headphones. hadn't system changes recently, updated 10.7.4 when showed up. imac it's mid 2010. please help.

thank you!
 

sounds mac can't access kext file audio chipset.

if simple reboot doesn't fix it, repair permissions. if doesn't fix either, reapply 10.7.4 update, preferably combo update, can downloaded apple's website (http://support.apple.com/downloads/#10.7.4%20combo).
 


Forums Macs Desktops iMac


  • 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

Rogue - the old text based game. I can't find it!

-
hey! ya'll remember old popular game rogue? don't, cuz born after released. doing research , found out it. seems fun, since i'm fan of text based games dwarf fortress, , couldn't find it! it's game never existed! can find it??   i google , first result leads abandonia.com can download it. of course ms-dos can run using dosbox (freeware).   Forums Special Interests Mac and PC Games 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

RAID in Early 2009 Mac Pro

-
being "tech guy" of house, brother has requested upgrade 4,1 mac pro. has: 2 x 2.26 quad-core xenons 12 gb ram 3 x geforce gt 120 4 x 2 tb hdd's in software raid 10 80 gb ssd in 1 of optical bays boot disk. uses computer video editing, in final cut pro x, he'll dabble in adobe suite. said wants more speed , needs less storage; i.e., doesn't need main drive more 2 tb. budget not issue here, future-proofing is: don't want have upgrade long time. ram upgrade simple enough, right? head on owc , grab 24 or 32 gb of whatever goes 4,1 generation mac pro. video cards know next nothing about. don't quite understand why he's got 3 of them for; monitor 30 in. cinema display. should upgrade video card(s)? maybe raedon 5770 or 5870? feel video editing isn't gpu-intensive, if is, please tell me so. now, fun part storage. figure best solution 4 new ssd's replace 12 tb ones, , stick ssds in raid 0. question is: n...
Read more

NBC Releases Summer Olympics iOS Apps, Offering Livestreaming of All 302 Events

-
Image
nbc has released pair of ios apps give us-based viewers comprehensive 2012 summer olympics coverage, including livestreaming of every event london. exciting development in olympics coverage year nbc's livestreaming of every event london. company plans offer streaming on computers both on nbcolympics.com website, , on nbc olympics live extra iphone , ipad app [ direct link ]. nbc plans offer 3,500 live hours across 302 medal events live. in past years, nbc has controversially time-delayed events run them during prime time in effort maximize ratings. year, nbc allow viewers watch every event live, , restrict replays of selected events until after have been run on nbc during prime time. viewers need verify subscribe cable, satellite or telco video tier includes cnbc , msnbc. nbc has created webpage answer questions , assist users in getting olympics livestreaming working. quote get ready watch every moment of 20...
Read more