Symptoms
- Screen lights up but taps don't register
- Only some areas of the screen respond
- Screen responds slowly or with a delay
Likely causes
- CommonSoftware freezeA hung process can leave the touch layer unresponsive while the display still shows.
- CommonMoisture on the screenSweat, rain, or condensation can confuse capacitive touchscreens.
- PossibleScreen protector or case interferenceA poorly fitted protector can block touch sensitivity in spots.
- PossibleLow battery causing erratic behaviorSome devices behave unpredictably right before shutting down.
- Less commonPhysical screen damageCracks or impact damage can create dead zones on the touch layer.
What to do
- Dry the screen thoroughly with a soft cloth if any moisture is present.
- Hold the power button for 15–20 seconds to force a restart.
- Remove any screen protector or case and test touch response again.
- Charge the device for at least 30 minutes before testing further.
- Check if certain screen areas work and others don't, which points to physical damage.
- Update the device's software if an update is available.
- Do a factory reset as a last resort, backing up data through the app first.
Tools and parts
- Soft cloth
When to call a pro
If specific areas of the screen never respond regardless of restarts, the touch digitizer is likely physically damaged and needs professional repair or replacement.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.