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Hardware troubleshooting guides

Start with the symptom, not an assumed hardware failure. These guides connect practical checks with the right browser test for your PC, laptop or MacBook.

TROUBLESHOOTING GUIDE

F1–F12 not working or changing volume?

Separate media-key behavior from a missing function-key signal.

Read the guide →TROUBLESHOOTING GUIDE

Keyboard typing double letters?

Check unintended repeated typing without confusing it with holding a key.

Read the guide →TROUBLESHOOTING GUIDE

Mouse double-clicking when you click once?

Distinguish rapid duplicate signals, intentional double clicks and file-opening settings.

Read the guide →TROUBLESHOOTING GUIDE

Microphone not working in the browser?

Follow the signal from your microphone to system settings and the browser.

Read the guide →TROUBLESHOOTING GUIDE

Webcam showing a black screen?

Separate a blocked camera, the wrong input and a dark live image.

Read the guide →