This video will demonstrate the fixing procedure of a Dell Keyboard.
How to Connect Bluetooth Device to your PC in Windows 11
To connect a Bluetooth device to a Windows 11 PC, first turn on the device and ensure it's within range and has sufficient charge. Then, on the PC, go to "Bluetooth and other devices settings" and click "Add device". Select the Bluetooth device from the list and click "Connect". If necessary, confirm a PIN code. Once paired, the device should be visible under "Audio" or "Other devices" and can be connected by clicking "Connect". If the device is not listed, repeat the pairing process or contact @DellCares on Twitter for assistance.
Test touchpad in ePSA
To perform a full system scan on your computer, tap the F12 key at startup and navigate to Diagnostics using the arrow keys. Press Enter to begin the scan, and use the touchpad to check if the pointer moves erratically. To exit out of default tests, press the Escape key.