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- Free download MonitorTest MonitorTest for Mac OS X. MonitorTest helps you in checking and adjusting your TFT or CRT monitor by providing a bunch of different test patterns.
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You can make all of your displays mirror each other, or extend your workspace with different apps and windows on each display. If you use an external display with your Mac notebook, you can also use closed-display mode.
Check your requirements
- Check the ports on your Mac to find out whether you need an adapter.
- Check how many displays your Mac supports: Choose Apple menu > About This Mac, click Support, then click Specifications. On the webpage that appears, the number of displays your Mac supports appears under Video Support.
Use extended desktop mode
Maximize your workspace with extended desktop mode, which lets you enjoy full-screen apps and windows on each monitor. Then, use Mission Control to organize apps and windows across your displays. If your Dock is on the bottom of your screen, it appears on any of your displays when you move your pointer to the bottom edge of your display.
Turn on extended desktop mode
- Make sure that your external display is turned on and connected to your Mac.
- Choose Apple menu > System Preferences, then click Displays.
- Click the Arrangement tab.
- Make sure that the Mirror Displays checkbox isn’t selected.
Arrange your displays or change your primary display
So that you can move apps and windows across your displays in one continuous motion, arrange your displays to match the setup on your desk. You can also change your primary display, which is where your desktop icons and app windows first appear.
- Choose Apple menu > System Preferences, then click Displays.
- Click the Arrangement tab.
- To change the position of a display, drag it to the desired position. A red border appears around the display as it's moved.
- To set a different display as the primary display, drag the menu bar to the other display.
Use video mirroring
With video mirroring, all of your displays show the same apps and windows.
Turn on video mirroring
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- Make sure that your external display is turned on and connected to your Mac.
- Choose Apple menu > System Preferences, click Displays, then click the Arrangement tab.
- Make sure that the Mirror Displays checkbox is selected.
Use AirPlay
With Apple TV, you can mirror the entire display of your Mac to your TV, or use your TV as a separate display. To turn on AirPlay, follow these steps:
- Make sure that your TV is turned on.
- Choose in the menu bar, then choose your Apple TV. If an AirPlay passcode appears on your TV screen, enter the passcode on your Mac.
- Mirror your display or use your TV as a separate display:
- To mirror your display, choose , then choose Mirror Built-in Display.
- To use your TV as a separate display, choose , then choose Use As Separate Display.
- To turn off AirPlay, choose , then choose Turn AirPlay Off.
If you don't see in the menu bar, choose Apple menu > System Preferences, click Displays, then select the 'Show mirroring options in the menu bar when available' checkbox.
Learn more about how to AirPlay video from your Mac.
Learn more
Maintaining fast upload and download speed keeps work, emails, games and videos playing smoothly. So keeping an eye on that is pretty important, which you can do with a Mac network monitor.
Monitor Test For Mac Os High Sierra
There aren't a huge number of tools that can help you do this. Buried deep within Terminal is the command net stat; although this isn’t ideal as it can overload you with data. If you want something easier to use, to manage and monitor network speed and bandwidth, there are a couple options available which we outline below.
How to monitor network bandwidth?
#1: Use Activity Monitor
![Current Current](/uploads/1/1/9/8/119846715/232693688.png)
Activity Monitor, built into macOS will give you a rough overview of which apps are using your network connection, along with upload and download speed.
- Go to Applications > Utilities
- Or type Activity Monitor into Spotlight Search, or ask Siri.
- Activity Monitor is within Utilities and shows CPU, battery and network usage, amongst other useful monitoring processes.
- Now go to the Network tab.
- This shows various apps and processes and the impact they have on network bandwidth.
- Click on Sent Bytes and rank from highest to lowest to see which apps are using more bandwidth than others.
- There are also other columns which show the amount of data apps are receiving.
- To reduce the amount of bandwidth currently in use, go to the apps absorbing most of the network data available and close them if they're not in use (you may have left apps open that are taking up more data than you realize).
Another way, especially if you would prefer more proactive monitoring, is with CleanMyMac X.
#2: Check your real internet speed with CleanMyMac
Downloading CleanMyMac X is not a cure-all for everything that can go wrong with a Mac, but it can solve a lot of problems. Including getting your Mac to run faster, monitoring network bandwidth, and improving your online and in-app user experience.
The feature I’m constantly using is the CleanMyMac X Menu monitor. It sits in status bar of my Mac.
There’s a section called “Network” and this is where you can test your internet speed. Now you’ll find out if your internet provider is telling you the truth.
![Monitor Test For Mac Os Monitor Test For Mac Os](https://praxistipps-images.chip.de/HBEkbxeIDbdGOzX8At6pKnR0IpM=/0x0/filters:format(jpeg):fill(000,true):no_upscale()/praxistipps.s3.amazonaws.com%2Fnur-weisser-bildschirm-beim-imac_cf7371bc.jpg)
Download CleanMyMac X Free Edition here.
After you install the app, click on the iMac icon in the status bar to launch the Menu. This feature, internet speed test, is absolutely free.
After you install the app, click on the iMac icon in the status bar to launch the Menu. This feature, internet speed test, is absolutely free.
Now, this is how CleanMyMac X can improve internet speed:
- Start with using the Privacy feature: Use this to clear caches, delete old internet data, and clear out unused Wi-Fi connections and other settings that are slowing your Mac down;
- Next, run Maintenance scripts with this app (another handy feature), to get your systems and browsers to operate more quickly.
- Another feature worth using if internet speed still needs speeding up is to check what system junk and other clutter is slowing your Mac down.
- Run a Smart Scan to clear anything out that is taking up processing power. You might find your Mac’s network connection is a lot better after that.
CleanMyMac X is worth downloading. It’s a powerful Mac support and improvement app, getting your Mac running as good as new, hopefully with a faster, smoother internet connection.