Screen flickering is a visual disturbance where a display rapidly alternates between different brightness levels, causing a noticeable flicker. This issue can occur on various devices, including computer monitors, laptops, and televisions. It may be caused by hardware problems, such as a failing graphics card, or software issues, like outdated drivers or incompatible applications. The flickering can be distracting and may lead to eye strain or headaches for users. To resolve screen flickering, one can try updating drivers, adjusting display settings, or checking the connections of the display cable. If the problem persists, professional assistance may be needed.