* General performance and functionality problems: abnormally sluggish behavior despite no CPU or disk usage, external ports not working, airport & bluetooth aren’t showing up, external devices are not being found, etc * Video and external displays not working: display brightness functionality not working properly, target video mode isn’t working properly, external display isn’t working, etc * Light problems and improper lighting management: battery indicator lights aren’t working, display backlighting isn’t adjusting to ambient light changes, keyboard backlights not working, etc * Power management and battery problems: Mac isn’t turning on, sleep isn’t working, random shutdowns and reboots, battery isn’t charging, Mac won’t wake from sleep, etc * Issues with your Mac cooling fans and fan management: the fans run constantly at high speed, fans run high despite low CPU usage and adequate ventilation, fans not working at all, etc Resetting a Mac SMC is particularly effective if you’re having the following types of problems:
Typically, an SMC reset helps to resolve many power and hardware related issues that are otherwise unresponsive to troubleshooting techniques. When & Why Reset SMC on a Mac? Some Common Hardware Reasons I am dead serious.We’ll show you exactly how to reset the SMC on any type of Mac (and any version of Mac OS X) and the type of problems that it may resolve. a beeping sshd means that the hard drive IS NOT SPINNING and is OVERHEATING i don't care but you have to take the time to rule out that it is not the SSHD that is beeping!!!!! this could be the most incorrect mac rumors post ever. If you can't hear the drive spinning but you can hear the beep, it means you really shouldn't be using that drive.
If it fixes it, then i am right, otherwise, your hard disk will probably overheat and dieĪnother quick way to rule out this crazy but true post of mine is to pick up your computer while it is sleeping and and making that beep sound and stick it to your ear to listen for the hard drive spinning Recommend restoring to a conventional hard disk to rule this outĪ mechanical 7200 rpm would be okay to try out Mac goes to sleep, lowers power to SSHD and the SSHD starts chirping to tell you its not getting enough power. Other then SSHD i Never ever heard of a mac beeping when it is asleep. I have 4 seagate hybrid drives and i am well acquainted with the beeping sound
The beeping is a warning from the hard disk that it is not getting enough power.
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