The Fastest Way Yet to Stop High Sierra Upgrade Notification
If you’re still running macOS Sierra, you’re probably aware that Apple really wants you to make the climb to macOS 10.13 High Sierra. Every so often, you surely receive the incessant, annoying notification that appears randomly in the top...

Tech 101: Spoofing a MAC Address in macOS High Sierra
In this article, we’ll show you how to spoof a MAC address on a macOS computer. This is a technique for changing the factory-assigned physical Media Access Control (MAC) address of a network interface on a networked device to...

The Utilities Folder New to Mac? Here Are 5 High Sierra Utilities You Should Know
If early sales figures are any indication, many shoppers purchased Macs during the recent holiday season. That’s not a surprise: sales of Macs have been rising for years as people decide to extend the Apple user experience they’ve come to...

How to Format a New Internal SSD in macOS High Sierra
Recently, some MacSales.com customers have reported experiencing a situation where their new SSD will not show up in Disk Utility in High Sierra. Although Disk Utility should always be tried first, a Mac’s Terminal can be used to format...

macOS Reversion: How to Downgrade from High Sierra
Installing a new version of the macOS can cause a bit of trepidation. Will all my older apps work? Are there any serious bugs in the new OS? Will my peripherals continue to work, including that wide-format LaserJet from...

How to Disable Downloading of macOS High Sierra
If you’re among those who do not want to upgrade to macOS 10.13, MacPerformanceGuide.com has put together a quick guide to disabling the downloading of High Sierra. Check out the instructions below: Open a Terminal window, and paste in...

A Close Look at Safari Extensions in macOS High Sierra
Many Mac users are unaware of Safari extensions, which are actually small applications that run as part of the Safari browser to add functionality to the browser. Apple improved Safari extensions in macOS 10.13 High Sierra, making them easier...