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What to do if keyboard not working in BIOS but works in Windows

The keyboard works in Windows but not in BIOS usually because the system supports the hardware differently before the operating system loads. First check the BIOS/UEFI settings to make sure that “USBLegacySupport” or similar options are enabled; if you cannot use the keyboard to navigate the BIOS menu, you can try using the PS/2 keyboard. Second, try plugging the keyboard into the I/O port on the back of the motherboard, avoiding the USB3.0 port, and testing other keyboards known to work in the BIOS environment. Next, consider updating or resetting the BIOS/UEFI firmware, visit the motherboard manufacturer website to download the latest BIOS version and follow the instructions, or select "LoadSetupDefaults" to restore the default

Jul 13, 2025 am 01:22 AM

How to fix Windows Update error 0x800f0988

Solutions to WindowsUpdate error 0x800f0988 include: 1. Check the network connection and turn off the firewall or antivirus software; 2. Run the Windows Update troubleshooting; 3. Reset Windows Update related services and clean cache files; 4. Switch the system area to English (US) to solve the language pack compatibility problem; 5. Use DISM tools and SFC to scan to repair the system file corruption problem. The above steps can usually effectively solve the error.

Jul 13, 2025 am 01:22 AM

How to enable Regedit if it has been disabled by administrator in Windows?

If you find that Register Editor (Regedit) is disabled when using Windows, you can re-enable it by: 1. Use Group Policy Editor (for Professional Edition and above), go to "User Configuration > Administrative Templates > System > Register", set "Block Access to Register Editor" to "Not enabled" or "Disabled", and restart the Explorer or PC to take effect; 2. Create and run the .reg file to modify the registry key, set the DisableRegistryTools value to 0, and take effect after refreshing; 3. Clear the disable flag directly through the command prompt or PowerShell execution command. It is recommended to back up the registry before operation to prevent misoperation.

Jul 13, 2025 am 01:20 AM

How to fix 'The semaphore timeout period has expired' error?

When encountering the "Thesemaphoretimeoutperiodhasexpired" error, you should first check the network connection, then update or roll back the hardware driver, then adjust the system resource restrictions, and finally perform virus detection and background process cleaning. Specifically, 1. Check for network delays or interrupts, restart the router, check the network cable or try direct IP connection; 2. Update or roll back the disk controller, USB interface, network card and other drivers; 3. Turn off high resource occupancy programs, appropriately increase the WaitForSingleObjectTimeout value in the registry or restart the computer; 4. Use antivirus software to scan and disable unnecessary startup items, and gradually troubleshoot the root cause of the problem.

Jul 13, 2025 am 01:17 AM

How to screen record on PC

Screen recording is common and practical on computers, and the key is to choose the right tools and methods. The "XboxGameBar" that comes with Windows system is suitable for simple recording. Press Win G to call up the control bar and click the circular button to start recording. However, the desktop operation cannot be recorded. By default, the recording is only supported for 5 minutes. Third-party software such as OBSStudio, Bandicam, and Camtasia have more comprehensive functions, supporting customized areas, microphone radio, camera overlay, etc., which are suitable for professional needs. Before recording, you need to turn off the notification, select the right sound input method, reserve hard disk space and conduct tests to avoid recording failure or re-recording.

Jul 13, 2025 am 01:13 AM

how to fix mouse not working after computer sleeps

The mouse does not work after the computer hibernates, which is usually caused by power management settings, driver problems, or poor hardware connections. 1. First check the mouse connection and battery level, try changing the USB interface or re-pairing the Bluetooth device; 2. Enter the device manager to uncheck "Allow the computer to turn off this device to save power"; 3. Update or reinstall the mouse driver, and the brand mouse can install the official dedicated driver; 4. Turn off the quick start function to troubleshoot hardware compatibility issues. If the above steps are invalid, it may be a hardware failure. It is recommended to replace the mouse or contact the manufacturer to support further processing.

Jul 13, 2025 am 01:12 AM

How to create a macOS bootable installer in Windows?

Making a macOS bootable installer on Windows is not officially supported, but can be implemented through third-party tools. First, prepare a USB drive above 16GB, macOS installation image (.dmg/.iso) and tools such as TransMac or balenaEtcher; secondly, use TransMac to right-click the USB drive and select "RestorewithDiskImage" to write the image, or use balenaEtcher to select ISO files and target disk to write; finally note that the USB drive must be in GPT format, and install Hackintosh, you also need to manually configure EFI boot and use boot tools to bypass restrictions.

Jul 13, 2025 am 01:10 AM

macos Startup Disk

How to install Windows 10 ARM on a Raspberry Pi

Installing Windows 10ARM version to RaspberryPi is feasible but complex, and the experience may be poor. 1. Prepare materials: RaspberryPi4 (at least 4GB of memory), high-speed microSD card (at least 32GB), USB-C power supply, monitor, keyboard and mouse, and a Windows computer; 2. Download unofficial images, such as the version provided by WoAProject, and confirm compatibility and driver support; 3. Use Rufus or Ventoy to write the mirror to the microSD card and select the FAT32 file system; 4. Insert RaspberryPi to start and debug, and may encounter problems such as no display, non-peripheral recognition, or system crash; 5. Actual

Jul 13, 2025 am 01:08 AM

Screen brightness not working on Windows 10

When the screen brightness adjustment is invalid, first check and update the graphics card driver, especially the Intel integrated graphics card device; secondly, adjust the display brightness settings in the power supply options to ensure that both the battery and plug-in state can be adjusted; if it is invalid, try to modify the registry-related items (backup is required before operation); finally, use third-party tools such as Dimmer or ClickMonitorDDC to temporarily adjust the brightness. 1. Update or reinstall the graphics card driver; 2. Modify the brightness settings in the power plan; 3. Adjust the registry parameters; 4. Use third-party brightness adjustment software.

Jul 13, 2025 am 01:07 AM

screen brightness

How to update drivers?

The key to updating the driver is to identify the device and install it correctly. 1. Confirm the driver types that need to be updated, focus on graphics cards, sound cards, network cards and motherboard chipsets, and view the problem equipment and its model through the device manager. 2. Use the system's own tools to update automatically, which is suitable for daily users. It is easy to operate but may not be able to obtain the latest version. 3. Manual download and installation are the most reliable methods to go to the official website, especially for high-end hardware. You can use the automatic identification tool provided by the manufacturer to match the model and select a custom installation. 4. After the update, restart the computer and check whether the problem is solved. If there is unstable, roll back to the old version of the driver.

Jul 13, 2025 am 01:06 AM

how to fix mouse right click not working

When the right mouse button does not work, check the basic problems first and then conduct in-depth investigation. 1. The wireless mouse should check the battery level and re-pair it; 2. The wired mouse should try to replace the USB interface; 3. Enter the system settings to confirm whether the "main button" is set to the left button, and turn off the auxiliary function that is turned on by mistake; 4. Clean the button or disassemble the machine to check the micro-move status, and replace the micro-move if necessary; 5. Update or reinstall the driver, and use the official software to test the key response. Most problems can be solved through the above steps.

Jul 13, 2025 am 01:03 AM

How to fix 'Windows could not automatically detect this network's proxy settings'

Theerror"Windowscouldnotautomaticallydetectthisnetwork'sproxysettings"indicatesWindowsisstrugglingtoconnecttotheinternetviaaproxyserver.Thisissuetypicallyoccursoncorporateorpublicnetworksusingproxies,thoughitcanappearonhomenetworkstoo.Tores

Jul 13, 2025 am 01:01 AM

how to connect two computers with an ethernet cable

Connecting two computers with network cables is possible. The methods are as follows: 1. Prepare an Ethernet cable and a computer with network port, and use a USB to network port adapter if necessary; 2. After connecting, it is possible to set up network sharing, including enabling network discovery, file and printer sharing, and turning off password protection; 3. If the automatic IP acquisition fails, manually set the static IP address to ensure that the IP is on the same subnet; 4. Choose the appropriate data transmission method, such as shared folders, remote desktops, or third-party tool transfer files. After completing the above steps, the two computers can communicate and transmit data through direct connection.

Jul 13, 2025 am 12:58 AM

how to free up disk space

If the computer system disk space is insufficient, it can be solved by cleaning temporary files, uninstalling idle software, managing download directories and processing large files. First, Windows users can use the disk cleaning tool or enter "%temp%" to delete temporary files. macOS users can go to the resource library to delete cache, or use third-party tools to assist with cleaning; second, uninstall software that has not been used for a long time and check to delete configuration data to completely clear the residue; third, regularly organize the desktop and download folders, use the tools to identify duplicate files and archive important information and delete local copies; finally, filter large files by size through the system's own functions, and move infrequently used large files such as videos and virtual machine images to the external hard disk to release space. Adhering to regular maintenance can effectively prevent space from being exhausted again.

Jul 13, 2025 am 12:56 AM