Apple's new MacBook series notebooks are equipped with keyboard backlights，Can provide lighting when light is low。However，Sometimes you may encounter a situation where the Mac keyboard light cannot be adjusted。Here are the steps on how to adjust MacBook keyboard backlight brightness： 1. Open System Preferences and click the Apple icon in the upper left corner of the screen，Select "System Preferences"。 2. Enter the keyboard settings in the pop-up interface，Click "Keyboard"。 3. Adjust keyboard backlight settings under the "Keyboard" tab，Uncheck the "Automatically adjust keyboard brightness in low light" option。so，You can manually adjust the brightness of the keyboard light。 Go through the above steps，You can freely adjust the brightness of MacBook keyboard backlight。
Friends who are new to Mac computers，Do you know how to check the system version of Mac and how to upgrade the system version? Here the editor brings you a detailed tutorial。This common sense is very practical for Mac newbies，Collect it quickly! How to check the current system version of your Mac computer 1. Click the Apple logo in the upper left corner。 2.Select "About This Mac"。 This will display the system version number of your Mac computer。 macOS operating system upgrade tutorial macOS 10.15 The official version will be launched on September 25, 2019。If you purchased a Mac computer after October 2019，This new Apple desktop operating system should come pre-installed。Apple's operating system is different from Windows，macOS is free for users to install and update。How to upgrade macOS system for free? Let’s take a look! 1. Open "System Preferences"。 2.Find "Software Update"。 3.Click "Update Now"，Then follow the prompts to complete the upgrade of the macOS operating system.。 Hope these tutorials can help you，Let you use your Mac computer better!
MacBook battery usage guide and battery health check method MacBook is loved by users for its excellent performance and convenient portability。To extend battery life and ensure optimal performance of your device，It is important to use batteries correctly and check battery health regularly。Let’s take a look at how to use the MacBook battery and how to check the health of the battery。 one、MacBook Battery Instructions 1. Avoid complete discharge •Avoid frequently draining the battery to 0%，Try to start charging when the battery is low。 2. Maintain the right temperature •Use your MacBook at room temperature，Avoid extreme temperatures，Especially in high temperature environments，Will adversely affect the battery。 3. Calibrate the battery regularly •Calibrate the battery at least once a month，That is, after it is fully charged, the battery will be used up until it shuts down.，Then fully charge。This helps maintain battery accuracy。 4. Use battery saver mode moderately •When battery power is low，Enable battery saver mode to extend battery life。 5. Try to use original chargers •Use original or Apple-certified chargers，Ensure charging safety and battery life。 two、How to check MacBook battery health 1. Check through System Information • Click the Apple logo in the upper left corner of the screen，Select "About This Mac"。 •In the pop-up window，Click "System Report"。 •In system reports，Find and click the "Power" option on the left。Battery details will be displayed here，Includes battery cycle count and battery health status。 2. Check via the battery status menu •Hold the "Option" key，Simultaneously tap the battery icon in the upper right corner of the screen。 •In the pop-up menu，You can see the battery status。If it says "normal"，Indicates that the battery is in good health；If "Replace battery" is displayed，It means you need to consider replacing the battery。 3. Use third-party software •Some third-party software can also be used，Such as CoconutBattery，to learn more about battery health status。These software can often provide more battery information，Such as battery capacity、Temperature etc.。 three、Tips to extend battery life 1. Avoid using it plugged in for long periods of time •Using it plugged in for a long time may put stress on the battery，It is recommended to use battery power when appropriate。 2. Close unnecessary background apps •Close apps and services you don’t use，Can reduce battery consumption。 3. Lower the screen brightness •Adjust the screen brightness appropriately，Helps extend battery life。 Through the above methods and suggestions，You can better manage and maintain your MacBook battery，Keep your equipment in top condition。
Friends who are new to macOS or running the App after updating a certain system version will be prompted with the message [xxx is damaged]，Can't open，You should move it to the Trash Solution]、【Cannot open xxx，Because it comes from an unidentified developer]，【Cannot open xxxx，Because Apple can't check whether it contains malware] and other tips，Below I will teach you how to fix it。 Several common errors: xxx is damaged，Can't open，You should move it to the Trash Solution Can't open xxx，Can't open xxxx because it comes from an unidentified developer，Because Apple cannot check whether it contains malware, it will prompt a loading failure during installation! Why does it happen? This is a problem with new security mechanisms enabled in macOS。 By default, Apple only allows the installation of apps from its own [App Store].，If you want to install third-party applications，Then you need to go to [System Preferences -> Security & Privacy -> Select the [App Store and Recognized Developers] option in General。Approved developers need to purchase Apple’s enterprise certificate to sign their applications.，Then submit it to Apple for review，This is very unrealistic for cracking applications，Because cracking the application will definitely modify the application's files, causing the signature to become invalid and the running display will be "Corrupted"。In addition, some open source free applications have no income (it is too difficult for users to actively reward)，Therefore, developers generally do not purchase certificate signatures.。 The solution is to enable the [Any Source] option.，However, macOS hides this setting by default.，The user needs to manually execute the command line code through the terminal to enable it.。 Let’s teach you how to use command line code to open any hidden source options.。 To open any source (primary) first open System Preferences -> Security & Privacy -> General tab，Check if the Any source option is enabled。 If this option is not available，Copy the following command：...
In XMind: ZEN medium，Shortcut keys are an important tool for improving drawing efficiency。Master these commonly used shortcut key combinations，It allows you to flow freely on the keyboard，Quickly draw mind maps。 document (File) File shortcut keys are used to operate on the entire file，Common functions include saving、Open、Close and create new etc.。 •Save the current mind map •Shortcut keys：Command ⌘ + S (Mac)，Ctrl + S (Win) •usage：Directly press the key to save the current file，Avoid unexpected file loss。 •Create a new mind map •Shortcut keys：Command ⌘ + N (Mac)，Ctrl + N (Win) •usage：Quickly create new mind map files，Choose from a built-in theme or create one from the gallery。 insert (Insert) Insert shortcut keys for adding rich theme elements，as marked、Label、hyperlink、Accessories, etc.，to express complex logic and rich ideas。 •Insert subtopic •Shortcut keys：Tab (Mac/Win) •usage：Press the Tab key after selecting the topic，Quickly insert subtopics。With the Enter key (Return(Mac)/Enter(Win)) to quickly enter content。 •Insert contact •Shortcut keys：Shift ⇧+ Command...
in macOS，By default，You cannot directly view the size of a folder in Finder's list mode.。But you can follow these steps to set it up，Makes it possible to display the size of folders in a list： 1.Open Finder and go to the folder you want to view。 2.Select "Show" in the menu bar > "Show Options" (or just use the shortcut Command+J)。 3.In the pop-up options window，Check "Calculate all sizes"。 4.Close options window。 Now，You can see the actual size of the folder in Finder's list mode.。It should be noted that，This setting is for a single folder，If you want to show size in other folders，Need to repeat the above steps。
Many Mac users may encounter this problem：How to prevent others from viewing files or photos on your Mac? Mac is not like PC where you can hide folders directly，So how does macOS encrypt files? Today I will bring you a tutorial on encrypting files on Mac。 step one：Open Disk Utility 1. Method one：Via the magnifying glass button • Click the magnifying glass button in the upper right corner of the screen。 •Enter “Disk Utility” in the pop-up dialog box，Then press Enter。 2. Method two：Via Launchpad •Click the Launchpad icon at the bottom of the screen。 •Find the "Other" folder in Launchpad and click to open。 •Select "Disk Utility" in the "Other" folder and click Open。 Step 2：Create an encrypted folder 1. Click "File → New Image → Blank Image" in the menu bar in the upper left corner。 2.Enter the folder name in the dialog box，And select the encryption method in the encryption options below。 3.The system will pop up a dialog box，Ask for password and verify。After input is completed，Click the "Choose" button，Then click "Save" at the bottom right of the dialog box。 4.After setting up，Two icons will appear on the desktop。Drag the file that needs to be encrypted to the second icon (the original file will still be in，Finally delete the original file to achieve the encryption effect)。 5.After dragging and dropping files，Right click on the icon，Select "Launch 'Unnamed'"。Finally, click on the encrypted .dmg file and enter the password to view the encrypted file。 Go through the above steps，You can create an encrypted folder on your Mac，Effectively protect your privacy and important files。
Modifying the Hosts file on a Mac computer can effectively control network access and solve DNS resolution problems。The following is a detailed modification tutorial： 1. Find the Hosts file •Open Finder，Click the "Go" menu at the top，Select "Go to Folder"。 •Type /etc and press enter，Find and double-click to open the folder。 2. Back up the Hosts file (optional) • Find the hosts file in the pop-up window，Right click and make a copy as a backup，In case the error can be restored after correcting it。 3. Edit the Hosts file • Drag the hosts file to a text editor (such as TextEdit、Sublime Text, etc.)。 •Add or edit the IP address and domain name information you need at the end of the file，The format is：IP address domain name，One entry per line。 4.Save changes •After completing changes，Save hosts file。If you are prompted for insufficient permissions，You can save the file as on your desktop，Then drag it back to the /etc folder and overwrite the original file。 5. Flush the DNS cache sudo killall -HUP mDNSResponder Open the Terminal application (found in Utilities in the Applications folder)，Enter the above command and press Enter key。
