Computer Checking Tools
Quickly test the essential hardware on your computer directly from your browser. Choose a test below to get started.
Enable Multi Tabs
Before starting all five tests, allow ccomp2u.com to open multiple browser tabs.
This check briefly opens and closes five blank tabs. It cannot change your browser settings.
Start All Tests
Open Keyboard, Microphone, Monitor, Speaker and Webcam tests in five separate tabs.
✓ Ready — five-tab check passed. Browser settings may still block a later attempt.
Microphone Test
Check whether your microphone detects sound, records properly and plays back clearly.
Start Microphone TestMonitor Test
Check your display for dead pixels, colour problems, gradients and other screen issues.
Start Monitor TestSpeaker Test
Test the left and right speakers and verify audio playback and speaker balance.
Start Speaker TestWebcam Test
Check whether your webcam works correctly and verify the live camera image.
Start Webcam TestKeyboard Test
Check your keyboard keys, including normal keys, function keys, modifier keys and mouse buttons.
Start Keyboard TestThese browser-based tools help you perform basic hardware checks without installing software. Some tests, such as microphone and webcam testing, require browser permission.
Microphone and webcam tests run locally in your browser. The tools do not automatically upload your recordings or camera video.