A PS5 DualSense controller works well on a PC, but a problem that feels like lag or bad aim can actually be a worn stick, a sticky trigger, or a dead zone that is too small. Testing it properly takes only a few minutes, and it can save you from replacing a controller that only needed a clean, a reset, or a settings change. This guide walks through a simple, repeatable check you can do with a USB cable and a browser.

Connect the controller first

Connect the DualSense to your PC with a USB cable for the most reliable test. Bluetooth can add latency and occasional dropouts, which makes it harder to tell whether a strange reading is a real hardware problem or a connection issue. Once it is connected, press the PlayStation button and confirm that Windows recognizes it as a controller. If it does not appear, try another USB port, another cable, and a short press of the small reset button on the back of the controller.

Open a browser tester and press a few buttons to confirm that the controller is being read.…