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1. Mac os x failed to set access control for keychain item software#
2. Mac os x failed to set access control for keychain item Pc#

"Stuck pixels" are a monitor issue as so are thin straight lines from top to bottom (the machine can continue to be used).ĭo #3 and #9, take the machine in for service. Return the factory RAM and/or #3 extended Hardware Test.ĭistorted video, artifacts on the screen, zig zag lines (but not dots or "stuck pixels") it's likely a failing video card. Another sign of a failing boot hard drive is seeing a lot of spinning beachball action, slow drive etc., (off the Internet/network to confirm)īeeping issues indicate bad or faulty RAM, or even a damaged logicboard. Skip down and do #9 immediately, do #3 and take the machine in for service or replace hard drive yourself if possible. Grinding, clicking or other never before heard strange sounds coming from your hard drive, always requires Disk Utility > repair, SMART status bad, it's likely failing, especially if it's more than 5 years old or has been subjected to shock.

Mac os x failed to set access control for keychain item Pc#

Yes a PC keyboard will work also, the Windows logo key is like the command/Apple key usually as Option/Alt the same.If you have a wireless keyboard, you likely will need to use a wired/built-in one to perform the at boot commands!.A systematic manner to get a booting machine and then work down through Applications and User account issues.The process of elimination is designed to narrow down your problem and expose unknown ones, fix it all yourself.Only Step #17 and 20 are harmful (to your data) and marked. Later steps usually depend upon earlier steps being performed.The Steps are numbered, if instructed, then just jump to do that Step or run through them in a process of elimination.The Steps appear to work also in OS X Mavericks (10.9) at this time. This User Tip is designed for Mac's that are capable of running OS X Snow Leopard (10.6) to any Mac running OS X Lion (10.7) or Mountain Lion. Please read the disclaimers at the bottom.

Mac os x failed to set access control for keychain item software#

If it's too much for you, there are local PC/Mac software repair and data recovery services, for hardware repairs you should take it to a Apple Authorized Repair.

It's designed for those who already have a good familiarity with how Mac's work, is almost all Apple support documented. If this User Tip appears to be quite involved, it's designed to very through and systematic process to achieve success.