If resetting the NVRAM and PRAM on your Mac have not fixed unexpected behaviors with your Mac, try to reset the the System Management Controller (SMC). See Apple’s support article on learning more about the SMC.   Reset SMC on Mac Laptop - Non Removable Laptop Battery Shutdown your Mac laptop.Unplug your power adapter from the...

If your Mac starts to behave unexpectedly (applications quitting randomly, display dimming for no reason, slow shutdowns, or sometimes your Mac does not start up) a good practice is to reset your Mac parameter nonvolatile random access memory (NVRAM). NVRAM is a small subset of RAM on your Mac used to store certain system settings. Read...

If your Mac starts to behave unexpectedly (applications quitting randomly, display dimming for no reason, slow shutdowns, or sometimes your Mac does not start up) a good practice is to reset your Mac parameter ram (PRAM). PRAM is a small subset of RAM on your Mac used to store certain system settings. Read more about PRAM...

Are you suddenly noticing emails you send from Mac OS X mail are showing as unread messages in your Mac Mail sent folder? This occurs immediately after your send an e-mail, a copy of the email is placed in your sent items folder and displays as unread. In addition, you did not configure anything differently on...

While using Mozilla Firefox to browse a website, you visit a website using an SSL certificate and receive an error that your connection is not secure. If you click learn more, you see the following message below.   “” uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. The...