Troubleshooting tips and tricks for common (and sometimes rare) software and hardware issues with Macs and iOS devices, including iPhone and iPad.

Apple Two-Factor Authentication Shows Strange Location

Why Apple shows a strange location for a two-factor login confirmation

If you use Apple’s two-factor authentication (2FA), you may have noticed that macOS and iOS sometimes show you a strange location when signing in using your Apple ID from a new device or browser. In my case, the location alert dialog always shows Wallingford, CT instead of Atlanta, GA. So I did some research to find … Read more

Apple Watch Authentication Error on T-Mobile

Apple Watch Series 3 - How to fix the authentication error on T-Mobile

Table of ContentsHow you are supposed to activate LTE on your Apple WatchApple’s new eSim could be the culpritT-Mobile customer care was unpreparedHow to fix the authentication error and activate LTEWhat you don’t have to do I purchased my new Apple Watch Series 3 with LTE on launch day, but couldn’t activate LTE on it … Read more

How to Reinstall macOS Without Losing Data

iMac Pro vs. 5K iMac

Table of ContentsOS X is now macOSHow to Reinstall macOSiCloud DataData Stored in DropboxPost-Installation TasksSometimes, You Have to Reinstall TwiceMy Post-Install ChecklistHow to Create a Bootable USB Drive with macOSHow to Reinstall macOS – Matty’s WayPrerequisitesInstalling macOS Step-by-StepHow to Reinstall mac OS Without Losing Personal Data macOS (previously known as OS X) is an excellent … Read more

Mac Photos App: Imported Videos Have Incorrect Date

Videos imported into Photos app have the wrong date

Apple’s Photo app for Mac has a problem with importing/exporting video files. More specifically, imported videos may have an incorrect date (timestamp) if those videos were previously exported from another Photos library. Instead of showing the date and time the video was recorded, Photos shows the import date/time. As a result, the imported videos are … Read more

Mac: Audio Issue With FaceTime Wi-Fi Calling

Since OS X 10.11 El Capitan was released to developers about a year ago, I have had intermittent problems when using my beloved Plantronics headset* with FaceTime and other VoIP applications. In this post I’ll talk about a bug that makes FaceTime ignore a selected output device when using Wi-Fi calling. FaceTime Calls On newer … Read more

Troubleshooting Apple TV streaming issues

Troubleshooting Apple TV streaming issues

Table of ContentsApple TV Buffering ProblemsApple TV Connected to Wrong Base StationCongested Internet ConnectionIPv6 ConfigurationiCloud/iTunes BackendConclusion: Apple TV Streaming Issues Streaming movies from iTunes to Apple TV should be a pleasant experience if you have a decent internet connection. But often Apple TV takes forever to load movies from iTunes. When buffering and long load … Read more

Apple Magic Trackpad issues in OS X El Capitan

Apple Magic Trackpad issues in OS X El Capitan

A bug in OS X El Capitan causes issues with Apple’s new Magic Trackpad 2. As a result of these Magic Trackpad issues, OS X intermittently doesn’t register clicks. While I was battling Bluetooth connectivity issues with Apple’s Wireless Keyboard and Magic Trackpad, I thought the problem might be hardware-related. When Apple released the new Magic Keyboard and Magic … Read more

Outlook for Mac Keeps Asking for Password of Office 365 Account

Outlook for Mac keeps asking for password of Office 365 account

Many users have reported that Microsoft Outlook for Mac keeps asking for the password of their Office 365 account. Thanks to readers of my blog, we have finally fixed the issue for most users. For others, we have at least a temporary workaround until Microsoft provides a fix. Outlook: Mail could not be received at this time … Read more

Apple Calendar Can’t Save Event to Exchange – Fix


In this post, I’ll explain how to fix the pesky Calendar can’t save event X to Exchange Server issue with Apple’s Calendar in OS X or macOS. The issue occurs when the Mac Calendar won’t sync with Exchange and then refuses to accept the calendar data on the server. Calendar and Exchange Apple’s Calendar (prev. … Read more

Troubleshooting Apple’s Junk Mail Filter

Spam filters are a necessary evil and it’s annoying when they don’t work as expected. Apple offers junk mail filtering in Apple Mail as well as via iCloud.com. Unfortunately those two filters are not related to each other and thus can cause troubles and frustration. Apple Mail’s Junk Mail Filter Apple Mail has a built-in spam filter … Read more

iCloud Mail Aliases And Calendar Invitations

In this post I’ll explain how iCloud Mail Aliases influence the way the Calendar app handles invitations on iOS. The other day my wife and her good friend Yeni were planning weekend activities for the kids and invited each other to certain events using Apple’s iOS Calendar app on their iPhones. Some of the invitations … Read more

Can’t turn on AT&T Wi-Fi Calling for Your Account?

Wi-Fi Calling

AT&T has finally started rolling out its Wi-Fi Calling feature after having received the waiver from the FCC. Unfortunately some users get an error message saying: We can’t turn on Wi-Fi Calling for your account. Think this message is a mistake? Ask the person who can make account changes to call us. The number is … Read more

How To Fix Mac Bluetooth Issues

Mac Bluetooth issues affect keyboard and trackpad

Many users have reported Mac Bluetooth issues that cause connected devices to behave erratically. These problems resulted in my Wireless Keyboard, Magic Trackpad and Mouse not working correct fly (i.e., erratic cursor movement) and disconnecting frequently.  In this post, I describe the steps I took to troubleshoot the Bluetooth issues I have had on my Retina 5K iMac … Read more

iCloud Photo Library synchronization performance

iCloud Photo Library synchronization performance

Table of ContentsRestoring an iCloud Photo Library from BackupSynchronization Performance is HorribleApple Ought to Solve This Issue SoonAlternativesFix available in macOS 10.12 Up until macOS 10.12 Sierra iCloud Photo Library poorly managed available resources while synchronizing its database. More specifically, the Photos app would consume all available bandwidth, rendering your internet connection unusable. The result … Read more

Fake missed FaceTime call notifications

Fake missed FaceTime call notifications

Table of ContentsFake missed FaceTime call from my alter egoTemporary fixMissed FaceTime call notifications returnedFixed: Fake missed FaceTime call notifications A potential bug in early versions of iOS 8 and OS X 10.10 causes the appearance of fake missed FaceTime call notifications. I noticed that first when missed call notifications from my colleague Anne Marie appeared on my … Read more

Deleted keyboard shortcuts (Text Replacements) keep coming back

Deleted keyboard shortcuts (Text Replacements) keep coming back

Synchronizing keyboard shortcuts (text replacements) on iOS and macOS used to be incredibly unreliable. Often, deleted shortcuts kept coming back, thanks to a buggy and deprecated API called iCloud Core Data. Apple has mostly fixed those issues in recent updates to its operating systems. A few years ago, I started using keyboard shortcuts (text replacements) … Read more

OS X Mavericks bug: Your system has run out of application memory

A bug in OS X 10.9 Mavericks causes the operating system to become unresponsive. In many cases, an error dialog appears claiming that your system has run out of application memory. A few days ago I noticed that my Mac Mini locked up and became unresponsive. So I power-cycled it but didn’t want to spend … Read more

Apple Mail Outgoing Mail Server Issues

A bug in Apple Mail causes affected mail accounts to lose the outgoing mail server (SMTP) information. You can trigger the problem by making changes to the outgoing mail server configuration in Mail –> Preferences. Fortunately, there is usually no need to make changes to the outgoing mail server configuration after setting up an email … Read more