Why check the keyboard separately?
A single dead key is easy to miss. If it isn't one you type often, weeks can pass before you notice, and by then the return window has usually closed. Pressing every key once, right after the device arrives, catches almost all of it.
Before you start
- If you use an external keyboard, make sure the one you want to test is the one connected.
- Your input language doesn't matter. This test reads the physical key position, not the character.
- Tab navigation and shortcuts pause while the test runs. Press ESC to stop instantly.
Please run this test on a computer
You need a larger screen with a keyboard and mouse for an accurate check. Open this same address on your computer.
Already have a keyboard and mouse plugged in? Run it here.
Once you start, every key press shows up below. Press the keys one by one.
Keys confirmed 0 / 77
Keys your device doesn't have simply won't register. Skipping them is fine. Keys the OS or browser claims first (Windows key, F12) may not respond.
Results stay on this screen and are not saved.
If a key doesn't light up
- First check that the key exists on your device. Tenkeyless boards and many laptops are missing keys that still appear on the diagram, and a key that isn't there can't respond.
- Keys the operating system or browser claims first — the Windows key, F12 — may never reach the page. That isn't a hardware fault.
- Press the same key a few more times, slightly off-center. Failing only near the edge points to the switch or the contact underneath.
- Reboot and test again. A driver hiccup sometimes clears up right there.
When keys register but behave oddly
A key can also fire twice from one press (chatter), respond after a noticeable delay, or drop out when several keys are held at once. None of that shows up clearly here. Type a few real sentences in a text editor to catch it.
Before you decide on a return
Keyboard faults are among the easiest to demonstrate. Note which key fails and under what conditions, and the conversation with the seller gets much shorter. Whether that counts as a defect is the seller's call, not ReturnCheck's. What this page gives you is arecord of what happened.
Checking a whole machine?
Run every browser check in one flow instead of opening them one at a time.
Start the full check
Keep going with another checkWebcam test