You can take your Mac to a Mac Genius or Apple Authorized Service Provider to replace the battery on the logic board. The logic board battery helps retain NVRAM/PRAM settings when your computer is shut down. For example, you are having a party or a sleepover with your friends, and you want to listen to music on speakers, then you find that the sound.
If issues persist, your Mac's logic board battery (not a portable Mac's rechargeable battery) may need to be replaced. 5 Best Volume Booster Apps for iPhone/iPad to Make Your Music Louder 2019 If you’re using iPhone or iPad, then you may know the struggle of listening to your music on your speakers when it’s low.
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Hold the keys down until the computer restarts and you hear the startup sound for the second time.Īfter resetting NVRAM or PRAM, you may need to reconfigure your settings for speaker volume, screen resolution, startup disk selection, and time zone information. Mac Apps Cleanmymac X 4.2.1 Crack Mirror App For Mac And Smart Tv Video And Picture Editing Software For Mac Post It Plus App For Mac Mkv Metadata Editor Mac Software Where Do I Find Software Documents On My Mac Hd Make Os X Great.Press and hold the Command-Option-P-R keys before the gray screen appears.You will need to hold these keys down simultaneously in step 4. Locate the following keys on the keyboard: Command (⌘), Option, P, and R.You can use these steps to reset your NVRAM: For example, if your Mac starts up from a startup disk other than the one you've specified in Startup Disk preferences, or if a "question mark" icon appears briefly when your Mac starts up, resetting NVRAM / PRAM may help. If you experience issues related to these functions, you may need to reset the NVRAM or PRAM.
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