How to check system uptime?
The way to view system runtime varies by operating system. Windows users can use task manager (switch to the "Performance" tab and click "CPU") or command prompt to enter netstatsworkstation|find "Statisticssince" to view the startup time; Linux users can use uptime, who-b or systemctlshow--property=UserspaceTimestamp and other commands to obtain the run time and startup time point; macOS users can run uptime or sysctlkern.boottime on the terminal, or through activities
Jul 12, 2025 am 01:32 AM
How to optimize Windows 11 for performance?
By cleaning up startup items, adjusting visual effects, cleaning disks regularly, updating drivers and systems, the smoothness of Windows 11 can be effectively improved. 1. Open the Task Manager to disable unnecessary boot program to speed up the startup speed; 2. Set the visual effect to "best performance" in the system properties to free up resources; 3. Use the disk cleaning tool to delete temporary files and enable storage-aware automatic cleaning; 4. Check drivers and system updates through Device Manager and Windows updates to ensure that the software and hardware are kept up to date.
Jul 12, 2025 am 01:23 AM
How to set up dual monitors on Windows
To set up dual monitors on Windows, you must first make sure that the hardware supports and correctly connects the monitor. The steps include: 1. Check the interface type of the computer and the monitor and connect with appropriate cables; 2. Enter the display settings to confirm that the two monitors are recognized; 3. Adjust the screen direction, resolution, scaling ratio and arrangement to match the actual layout; 4. Select the expansion, copy or display only mode; 5. Set the main monitor so that the taskbar and application open this screen by default. In addition, attention to driver updates and application compatibility can further optimize the experience.
Jul 12, 2025 am 01:21 AM
How to boot in Safe Mode in Windows 11
There are three common methods to enter Windows 11 safe mode. 1. Restart through system settings: Open "Settings" > "System" > "Recover", click "Restart Now", enter the blue screen menu and select "Troubleshooting" > "Advanced Options" > "Start Repair", then select safe mode and restart; 2. Use command prompt settings: Run CMD or PowerShell as an administrator, enter "bcdedit/set{default}safebootnetwork" and "shutdown/r/t0" commands to enter safe mode with network, and use "bcdedit/deletvalue{defa
Jul 12, 2025 am 01:17 AM
What is the spinning beach ball on Mac
When a colored circle appears on a Mac, it usually means that the application is slow to respond, which may be caused by high CPU or memory usage, application errors, disk read and write problems, or graphics delays. 1. When you encounter a circle, you can wait for a moment; 2. Use the activity monitor to view and force exit the process that occupies high resources; 3. Force exit the unresponsive application; 4. Regularly save work to prevent data loss; 5. Restart the device if there is no response for a long time. To reduce this phenomenon, the system and application should be kept updated, avoid running too many programs at the same time, clean up storage space, reset NVRAM/PRAM regularly, and view logs through the console to troubleshoot problems.
Jul 12, 2025 am 01:16 AM
How to set up a VPN on Windows Server?
To set up a VPN on Windows Server, you need to enable and configure RRAS, set up a network interface, create user permissions, and finally connect from the client. The specific steps are as follows: 1. Add the RemoteAccess role through the server manager and enable RRAS, select custom configuration and enable VPN access; 2. Configure the network interface and correctly forward the required ports of PPTP or L2TP/IPsec; 3. Allow the specified account dial-in access in the local user or active directory and set a strong password; 4. The client uses the built-in VPN tool for Windows to enter the server address and credentials to complete the connection.
Jul 12, 2025 am 01:15 AM
What is a systemd unit file and where is it located?
The systemd unit file is a configuration file that defines the behavior of the system resource and is used to control the process at startup and runtime. It is divided into three main parts: [Unit], [Service], and [Install], which describe metadata and dependencies, service execution methods, and enable methods. Common locations include /usr/lib/systemd/system/, /etc/systemd/system/, /run/systemd/system/. Viewing and editing can be achieved through text tools or systemctledit commands, and systemctldaemon-reload needs to be executed to take effect. Automatically when custom services or scripts are required
Jul 12, 2025 am 01:14 AM
Can I install linux on my pc
Yes,youcaninstallLinuxonyourPCifitmeetsthehardwarerequirements.1.Checkhardwarecompatibility:IntelorAMDprocessor,atleast4GBRAM,20–25GBfreediskspace,UEFIorBIOSsupport.2.ChooseasuitabledistributionlikeUbuntu,LinuxMint,Fedora,orDebianbasedonyourexperienc
Jul 12, 2025 am 01:13 AM
How to set up a new Mac for the first time
TosetupanewMaceffectively,followthesekeysteps:1.DecidewhethertotransferdatausingMigrationAssistantorstartfreshbyselecting“NotNow.”2.SigninwithyourAppleIDandconfigureiCloudsettings,enablingonlytheservicesyouneedandturningoffunnecessaryones.3.Customize
Jul 12, 2025 am 01:12 AM
How to clear cache on Mac
Methods to clean up Mac cache include: 1. Delete the system cache, access the /Library/Caches and ~/Library/Caches folders and clear the content; 2. Clean the Safari browser cache, and operate through the privacy tag or development menu in the preference settings; 3. Manually delete the application cache folder or use the application's own functions; 4. Incorrectly delete files can be automatically generated and restored by the system or restored from backup. It is recommended to skip uncertain files.
Jul 12, 2025 am 01:12 AM
How to check storage on Mac
There are four ways to view Mac storage space: 1. Use the Apple icon → About this machine → Storage to view the total capacity and classification usage; 2. Right-click the disk in the Finder → display the introduction to view the remaining space; 3. System settings → Privacy and Security → Storage Space → Management to view detailed classification and clean files; 4. Use third-party tools such as DaisyDisk to visually analyze storage occupancy.
Jul 12, 2025 am 01:09 AM
How to check CPU temperature on Mac
Mac can view CPU temperature through third-party software or terminals. 1. Use iStatMenus, MacsFanControl, TemperatureMonitor or IntelPowerGadget and other tools to view the temperature and hardware status in the menu bar; 2. Enter the sudopowermetrics-samplerssmc command (IntelMac only) to obtain temperature data; 3. Note that high temperatures may be caused by multi-task operation, high ambient temperature or poor ventilation, and regular inspections are required to protect hardware performance.
Jul 12, 2025 am 01:07 AM
How to reset the Windows Firewall to default
Resetting Windows Firewall settings can restore default rules to ensure system security. 1. Use the command prompt with administrator permissions to execute the "netshadvfirewallreset" command to quickly restore the factory settings without affecting system files and other software, and there is no need to restart; 2. Check the firewall status through the Windows Security Center to confirm whether the firewall of each network type is turned on, which is suitable for situations where only partial adjustments are wanted; 3. After resetting, you need to note that custom rules will be deleted, and third-party firewalls may overwrite settings. It is recommended to take screenshots in advance to save the rule list. Enterprise users may not be able to change due to group policy restrictions.
Jul 12, 2025 am 01:03 AM
What is Windows Hello and how to set it up
WindowsHello supports facial recognition, fingerprint scanning or PIN code login, depending on the device hardware. 1. Facial recognition requires an infrared camera; 2. Fingerprint login requires a fingerprint sensor; 3. PIN code is suitable for almost all Windows 10 or 11 devices. You can check whether it is supported by "Settings > Account > Login Options". The settings are: after entering the corresponding options, follow the prompts to complete facial scanning, fingerprint input or PIN code settings, ensure that the ambient light is suitable and the hardware is operated correctly to improve the recognition rate. PIN codes should be avoided being too simple and are not recommended to reuse across devices.
Jul 12, 2025 am 01:03 AM
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