Kiosk misses presses at the bottom edge

You tap a button near the bottom of a kiosk screen, but nothing happens. If the same spot misses presses repeatedly, the cause could be the touchscreen, its alignment, or the kiosk app placing controls in an awkward area.

Test the screen outside the kiosk app first. The Touch Screen Test shows where your touches register and can help you see whether the lower edge has a dead zone.

Test the bottom edge

Open the Touch Screen Test on the kiosk. If the kiosk browser blocks other pages, use its maintenance mode or a regular browser on the same device.
Tap several places near the middle of the screen. Confirm that each touch appears where you pressed.
Tap across the lower edge, including the left corner, center, and right corner. Start slightly above the bezel, then move closer to the edge in small steps.
Repeat the same taps two or three times. If the test supports multiple touch points, press the bottom area with more than one finger to check whether one region or the whole edge is affected.
Rotate the screen if the kiosk allows it, and repeat the test. Note whether the missed area stays at the physical bottom of the display or moves with the image.

Compare the test with the kiosk app. Use the same screen orientation and look for a control in the exact area that misses your taps. A touch test can show where the browser receives input, but it cannot prove that the kiosk app handles that input correctly.

What the result means

The test misses touches along the same physical edge

If taps fail across a strip of the display in the test and in other apps, the cause is probably below the kiosk app: a touch dead zone, incorrect alignment, a screen protector or bezel interfering with input, or a failing digitizer. A digitizer is the layer that detects touch. Continue with the fixes below, then compare the result again.

The test registers the taps, but the kiosk app does not

The screen is receiving touch input in that area. The app may have a button too close to the edge, a touch target smaller than it looks, or a layout that does not match the screen size. Ask the app administrator to move the control inward or check the app's touch handling.

The touch appears in the wrong place

A consistent offset can point to touch calibration or a mismatch between the display's resolution, scaling, and touch mapping. If the offset changes after rotating the screen or changing display settings, check the kiosk's display configuration before suspecting a damaged screen.

Only one corner or a narrow strip fails

A small area that stays unresponsive in the test may be a localized dead zone or a physical obstruction. You can also read how to find dead spots on a touchscreen for more ways to distinguish a damaged area from an app problem.

How to fix it

Clean and uncover the screen edge. Turn the kiosk off if its maintenance instructions require it, then clean the screen with a soft, slightly damp cloth. Check whether a thick screen protector, raised case, dirt, or a loose bezel overlaps the touch area. Do not press hard on the panel.
Restart the kiosk. A restart can clear a temporary input problem. If the kiosk is publicly used, follow its approved restart procedure rather than unplugging it during a transaction or update.
Check the app layout and zoom. If the test works but the app does not, look for browser zoom, display scaling, or a full-screen layout that puts controls against the edge. Move buttons inward or increase their touch target if you manage the app. A target with a visible size of about 10 millimeters or more is easier for many people to tap reliably.
Check display size and touch alignment. On Windows 11, open Settings › System › Display and verify the selected display, resolution, orientation, and scale. Search Start for Calibrate the screen for pen or touch input to open the Windows touch calibration controls, if the kiosk administrator has enabled them. Follow the kiosk manufacturer's instructions before changing calibration.
Check the display setup on a Mac-based kiosk. Open System Settings › Displays and confirm the resolution and arrangement. macOS does not provide a general touchscreen calibration panel for standard Mac displays, so use the touchscreen manufacturer's driver or configuration utility if the kiosk uses a separate touch overlay.
Check tablet settings or the kiosk utility. Android touchscreen calibration menus vary by manufacturer. Check the device's Settings › Display and the kiosk vendor's diagnostic or calibration utility; do not install an unapproved calibration app on a managed kiosk. On an iPad, Settings › Accessibility › Touch contains touch accommodations, not a general screen calibration tool.
Update or reinstall the touch driver. If the problem began after an update or hardware change, ask the kiosk administrator to check the manufacturer-approved touch driver and firmware. Avoid generic drivers on a public or managed device.

When it's the hardware

If the same physical strip still misses taps in the browser test after cleaning, restarting, and checking calibration, test another app or the device's built-in touch diagnostic if available. If the problem follows the screen across apps and remains after approved software checks, the touch layer or its controller may need repair. For a commercial kiosk, contact the equipment supplier or service provider, especially if the display is under warranty. Do not remove a bonded touchscreen panel yourself.

Why the edge can behave differently

Some systems reserve screen edges for gestures, such as returning to a previous screen or opening system controls. A kiosk browser may also hide its navigation bar and use a different touch area from the regular desktop. These behaviors can make the test and the kiosk app respond differently even when the panel is working.

The Touch Screen Test runs in your browser, so use it as a comparison check, not as a repair diagnosis for the kiosk hardware.