Need Device Driver, The mouse lights up when plugged in, but the cursor does not move on the screen., A webcam's indicator light turns on when connected, but video conferencing applications cannot detect or use it., The graphics card is installed correctly, but the screen resolution is stuck at 800 × 600 after installing Windows., After reinstalling Windows, the speakers are properly connected, but there is no sound from the computer., The scanner is connected and powered on, but scanning software cannot find the device., Device Driver not needed, The printer's power light is off even after pressing the power button., A USB flash drive cannot be detected because its connector is bent and damaged., The keyboard is not working because several keys are physically broken., A monitor displays "No Signal" or "Inactive"

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