Immediately press these keys at the same time: Option, Command, P, and R and maintain this hold as your Mac boots.Resetting your Mac’s NVRAM or PRAM often some of your system settings and preferences–things like speaker volume, display resolution, and startup disk preferences may need to be updated. Common Troubleshooting Issues with macOS Sierraįor most problems with your macOS following an upgrade, start with the PRAM Reset on your Mac before proceeding further.Īnd of course, make sure to backup via Time Machine or your backup method before troubleshooting the issues.

Understanding macOS Utilities – A Primer.Mail App Crashing With El Capitan? Fix it today.Mail App Always Downloading on Mac? How-To Fix.High Sierra Needs to Repair Your Library, How-To Fix.macOS Could Not Be Installed, How-To Fix.How To Show Your User Library in macOS Mojave, High Sierra, and Sierra.Mail Not Working After macOS Mojave Update? Fix it today.Then type in ~/Library/Mail/V5 (or V6/V4) and delete that folder or move to your desktop Right-click Finder and choose Go to folder.Delete (or isolate) a few Mail Data files: Envelope Index, Envelope Index-shm, and Envelope Index-wal.Remove (or isolate) some mail preference files from your User Library: and.Quick Tips Follow These Quick Tips To Help Get Your Mail App Working Again In macOS High Sierra Mail App is Very Slow after the macOS Upgrade.Mail App won’t open on macOS High Sierra.If your issue remains, let’s also remove the envelope files.Fixes For When Mail Keeps Crashing on macOS High Sierra.Start With a Reset of Your NVRAM (PRAM).

Quickbooks mac 2019 high sierra issues