Dave Johnson

Dave Johnson is a staff writer for GeeksChalk based in New Jersey. He covers news, how-tos, and user guides for iPhone, iPad, Mac, and Apple Watch.
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307 Articles
The iPhone’s Messages app, showing iMessages and SMS messages side-by-side.  
How To

How to Know If Someone Blocked You on iPhone & iMessage

We'll show you the most reliable ways to tell if someone blocked your number on…

By Dave Johnson
iPhone apps on home screen
Troubleshooting

iPhone Mail Icon Missing? How to restore iPhone mail app

If you can’t find mail on your iPhone’s home screen, the app might still be…

By Dave Johnson
The Messages settings pane with iMessage turned on.
How To

How to Enable iMessage on an iPhone, iPad & Mac

Learn how to set up iMessage on iPhone, iPad and Mac.

By Dave Johnson
how to take a timer picture on iphone
How To

How to Set an iPhone Camera Timer: Quick Guide

You can set a timer on your iPhone camera to take a picture without physically…

By Dave Johnson
The ECG set up screen within the Health app on iPhone
Troubleshooting

How to Fix Apple Watch ECG Not Working

There may be a few reasons why the Apple Watch ECG feature is not working.…

By Dave Johnson
An iPad window showing Multitasking & Gestures settings.
iPad

How to Watch Two YouTube Videos Simultaneously on iPad

To watch two YouTube videos at once on your iPad, you can use iPadOS multitasking…

By Dave Johnson
The Mail window is open on the desktop. Emails are displayed with large text.
Mac

How to Change the Text Size in macOS

There are a few different methods to do this.

By Dave Johnson
The new 14-inch MacBook Pro shown propped open and angled to the side.
Mac

How To Use And Access Your Mac’s Utilities Folder

You can access utilities on your Mac using keyboard shortcut, Spotlight, or Finder

By Dave Johnson
An open MacBook Pro
Troubleshooting

Wi-Fi Says Not Configured on Mac, Here’s How to Fix it

Learn How to Fix "Wi-Fi not configured" error on Mac

By Dave Johnson
Apple

Why Apple Releases New iPhones Every Year

There are a few reasons

By Dave Johnson

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