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How to switch between apps on Mac

There are three main ways to switch Mac apps. First, use the trackpad or mouse gesture, swipe the four fingers to enter MissionControl, and slide the four fingers to left and right to switch the desktop; second, keyboard shortcuts, Command Tab switch the application, Command ` switch the same application window, Control F3 or Command Control Arrow switch the desktop; third, click the operation, click the Dock icon or the application name on the top menu bar to quickly jump. Choosing the most suitable method according to equipment and habits can greatly improve efficiency.

Jul 12, 2025 am 01:34 AM

What is a good CPU for gaming

AgoodCPUforgamingbalancesperformance,core/threadcount,andcompatibilitywithothercomponents.1)Prioritizestrongsingle-coreperformancewithhighclockspeeds(above4.5GHzboost)andgoodIPCforbetterframeratesingameslikeCS:GOandValorant.2)Considercoreandthreadcou

Jul 12, 2025 am 01:30 AM

How to fix 'Windows can't access this disc'

First,assignanewdrivelettertoresolvethe"Windowscan'taccessthisdisc"error.Todothis,openDiskManagement,locatetheaffecteddrive,right-clickit,select"ChangeDriveLetterandPaths,"thenclick"Add"andchooseanewdriveletterfromthedro

Jul 12, 2025 am 01:22 AM

How to resolve 'The requested resource is in use' error in Windows?

When you encounter an error message that files, folders or devices are occupied in Windows system, it means that the resource is being used by other programs; the solution is as follows: 1. Check whether any program is using the target file, manually close the relevant application or end the process through the task manager; 2. Use the resource monitor to find the specific process of locking the file and end it; 3. Restart the computer to release temporarily occupied resources; 4. Check whether third-party software such as antivirus software or cloud synchronization tools interfere, and temporarily close them. In most cases, the problem can be solved through the first two steps. If necessary, try restarting or troubleshooting the software settings.

Jul 12, 2025 am 01:19 AM

Why is my PC so slow on Windows, and how can I improve performance?

Common reasons for slowing PCs include high system resource usage, excessive startup items, and degraded hard disk performance. You can check the background program through the Task Manager to close the high resource occupancy process; open the Task Manager "Start" page to disable unnecessary boot programs; use the disk cleaning tool to free up space and defragment the HDD; regularly update the system and drivers to avoid compatibility issues; if the problem continues, consider upgrading the hardware such as adding memory or replacing the SSD.

Jul 12, 2025 am 01:17 AM

PC slow

Install Windows on a new hard drive

Installing Windows to a new hard drive is feasible and not complicated. You need to prepare a new hard drive, a USB drive above 8GB and another available computer, and download the system creation tool from Microsoft's official website to create a bootable USB drive. Make sure the BIOS supports USB boot, confirm that the Windows version matches the license, and back up important files of the old system. Then insert the USB drive into the target machine, turn on the computer and enter the boot menu to select USB drive boot, and click "Install Now" to complete the installation. Select "Unallocated space" of the new hard disk in the installation interface, and the system will automatically partition; if manual operation is required, delete the old partition and create it and format it. After the installation is completed, set basic information such as region, account, install drivers, activate the system, update Windows, enable system restoration as soon as possible, and check

Jul 12, 2025 am 01:14 AM

New hard drive

How to fix 'Windows cannot initialize the device driver for this hardware. (Code 37)'

When you encounter the "Windowscannotinitializethedevicedevicerforthishardware.(Code37)" error, it is usually because the driver file is corrupt, missing, or incompatible with the system. The solution is as follows: 1. Reinstall or update the driver, uninstall the device through the Device Manager and check delete the driver software, then scan and detect hardware changes, or manually download the latest driver installation; 2. Use the commands sfc/scannow and DISM/Online/Cleanup-Image/RestoreHealth to check and repair the system file integrity; 3. Roll back the driver or disable the latest updates, if the problem occurs in the update

Jul 12, 2025 am 01:14 AM

What to do if keyboard not working in safe mode

If the keyboard cannot be used in safe mode, you can try the following methods: 1. Check the physical keyboard connection, make sure to insert a normal USB port, try changing to a USB2.0 port or using an external keyboard; 2. Enable the on-screen keyboard for basic operations; 3. Try safe mode or other boot options with network; 4. Reinstall or update the keyboard driver. Problems are usually caused by drivers or compatibility, and following the steps to troubleshoot to restore keyboard functions.

Jul 12, 2025 am 01:12 AM

safe mode keyboard

How to fix 'An error occurred while reconnecting Y: to Microsoft Windows Network'

When an error occurred while reconnecting Y:, Microsoft Windows Network" prompt, you should first check whether the network connection is normal, and then try to manually remap the drive or clear the old connection record. 1. Confirm that the computer is correctly connected to the network where the target server is located; 2. Remap the drive manually: Open Explorer, click "Map Network Drive", enter the correct drive letter and network path and check "Reconnect when login"; 3. Use the command prompt to run netuse to view the existing connection, delete the invalid connection record through netuseY:/delete before remapping; 4. You can create a batch script to automatically complete the cleanup and reconnection operations to improve efficiency.

Jul 12, 2025 am 01:05 AM

How to fix Outlook stuck on 'Processing' in Windows?

Outlookgetsstuckon"Processing"duetoadd-ins,profilecorruption,ordatafileissues.1.Startbycheckingadd-ins—launchOutlookinSafeModeanddisablethemonebyone.2.RepairorrebuildtheprofileviaControlPanel>Mail>ShowProfilesbycreatinganewone.3.UseSc

Jul 12, 2025 am 01:05 AM

how to change DNS settings

The method of changing DNS varies from device to device, but the overall operation is not difficult. 1. Windows system: Enter the current network attributes through "Control Panel" → "Network and Sharing Center", and select manually enter the DNS address in IPv4 settings. 2. Mac system: Select the current connection in "System Settings" → "Network", click "Advanced" to switch to the "DNS" tab page, and add custom DNS. 3. Router settings: Log in to the background management interface (such as 192.168.1.1), find the DNS configuration items and fill in manually. 4. Mobile phone settings: Android needs to enter Wi-Fi settings and switch to static IP mode, iPhone needs to scroll to the bottom and click "Configure DNS" and set it to manual mode. Operation of all devices

Jul 12, 2025 am 01:04 AM

how to clean my computer keyboard

The key to cleaning the keyboard is to be meticulous and in place. There are three main steps: first, use compressed air to blow out the deep dust, maintain an appropriate distance and shake the keyboard to help the dust fall, it is recommended to operate outdoors; secondly, use a slightly damp soft cloth and a cotton swab to wipe the surface and dead corners of the keycap to avoid excessive moisture penetration into the interior, and alcohol can be used to clean the area that is afraid of moisture; finally, remove the keycaps according to the situation and clean them deeply, dry them and then replace them in place.定期清理可提升手感并延長鍵盤壽命。

Jul 12, 2025 am 01:04 AM

how to turn on keyboard light

The method of lighting up the keyboard light varies from device to device. First, confirm the keyboard type and find the corresponding switch or settings. The keyboard backlight of the laptop can be turned on through Fn specific function keys (such as Dell Fn PrtSc, Lenovo Fn space), or can be adjusted through system settings or brand driver software (such as Asus ArmouryCrate, Lenovo Vantage); in an external mechanical keyboard, you may need to press Fn Esc or arrow keys to activate the light after plugging in the wired keyboard, and try the Fn F key or supporting software settings on the wireless keyboard; if the keyboard light is not on, check whether the battery is sufficient, whether the driver is installed, whether the shortcut key is locked, and finally consider whether there is a hardware failure. Following the above steps to check can basically solve the problem.

Jul 12, 2025 am 01:02 AM

How to install Windows 10 on a second hard drive

When installing Windows 10 on the second hard disk, you need to pay attention to partitioning, booting and drivers. 1. Preparation: Make sure the second hard disk is connected, make a Windows 10 installation USB disk and ensure that the BIOS supports USB disk booting; 2. Partition settings: Select the correct hard disk during installation, no space is allocated, and new standard partitions can be created. The existing data can be manually adjusted but complex operations can be avoided; 3. Boot processing: Keep the first hard disk connected to automatically configure the dual system, or adjust the startup item through msconfig/bcdedit. The default boot disk is set in the BIOS. If there is a problem, you can install the USB disk to repair the boot; 4. Driver and Optimization: Prepare the necessary driver, turn on the SSD, confirm the 4K alignment and maintain it regularly, turn off the fast boot to reduce interference. The whole thing

Jul 12, 2025 am 12:59 AM

Dual hard drive installation