Once the reset is complete, go ahead and add your printers and scanners back. You’ll be warned that resetting the printing system will remove all printers and scanners. Right-click and select ‘Reset printing system.’ Place your cursor in the empty list of printers. Open the Printers & Scanners preference pane. This lets you start fresh, and why not? The printers are missing, so take the opportunity to clean things out. Resetting the printing system will clear out old printing queues, delete existing printer plist files, and reset printing options to their defaults. But before you do, you may want to reset the macOS printer sub-system. The simple solution is to reinstall the printers using the Printers & Scanners preference pane. (Resetting the printing system lets you start with a clean slate.) This remains a problem even after cycling the power on the printers, disconnecting and reconnecting USB printers, and restarting the Mac.
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Some Mac users have reported that after upgrading to Sierra, their printers are no longer listed as installed. The long-term fix is to regularly check the manufacturer’s website for upgraded drivers, as well as updating to the most current version of macOS. If you need to share the printer/scanner with others on your network, you can make use of the sharing function available in System Preferences, Printers & Scanners. In many cases, if you connect the device to your Mac directly (USB), both printing and scanning will function correctly. Some all-in-one printer/scanners that have network options are having problems being able to scan or print using the network. If you’re having a printer/scanner-related problem with Sierra, you may be able to fix the issue yourself, using one or more of these methods. Printers and scanners tend to run into problems when major OS upgrades come around.
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( Related: Common Problems After Installing macOS Sierra and How to Fix Them) This way, you’ll always know which sites are using antiquated technologies. Instead, we recommend using the Ask setting, which will cause Safari to ask what you wish to do each time you visit a website. But that choice comes with issues, including security concerns involving plug-ins, such as Flash, that seem to have a never-ending supply of vulnerabilities. You may be tempted to just turn the plug-in on for all websites, which would make browsing the web easier. You can also specify the default for the plug-in’s use when visiting new websites. You can use the dropdown menu to change whether a plug-in may be used on the site. Select a plug-in from the displayed list, and a list of websites you’ve visited that use the plug-in will be displayed. Your choice isn’t permanent you can change the selection at anytime within Safari Preferences. (Flash, as well as other plug-ins, can be enabled on a site-by-site basis.)Īlthough the wording can change slightly depending on the plug-in involved, you have the choice of activating the plug-in just this time for this website, always for this website, or to leave the plug-in turned off. The result is that when you visit a web page that relies on these older technologies, you may be greeted with just a black page, or a black page with a dropdown sheet asking if you wish to use Flash or one of the other disabled plug-ins on the specific website. ( Related: How to Fix Scary Issues That Can ‘Possess’ a Mac, Affect Performance)Īs part of Apple’s concerns about web page security, and the wish to promote HTML5-based content, Safari disables some Safari plug-ins, including Flash, Silverlight, QuickTime, and Java. To put it simply, “macOS Sierra broke my favorite feature now what do I do?” We’re going to take a look at some of the features that Sierra broke, and show you easy ways to fix them. With each new release of the Mac OS, there always seems to be new features that change how you work, the removal of a feature or two that forces you to rethink how you work, or just plain bugs that make working on your Mac not quite the pleasant experience it used to be.
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