Temperature changes can slightly warp mounting surfaces, shifting alignment. Ensure the display is mounted securely and not under tension.
Electrical Causes
Nearby motors, fluorescent lights, or poorly grounded power strips can create interference. Use clean power sources and shielded cables.
Environmental Factors
Dust or moisture along the glass edge can block sensors. Clean regularly and keep humidity controlled.
Calibration and Software
Recalibrate when displays move or after firmware updates. Check driver settings and reinstall if touch becomes inconsistent.
Final Thoughts
Touch drift is preventable with clean power, stable mounts, and regular calibration. Keep hardware secure and clean to ensure perfect accuracy year after year.