Feng Zeng
@xiaofengzi
Founder of Screen Issues — free online screen test & display repair guides.
Guangzhou, China
Feng Zeng made Screen IssuesFounder of Screen Issues — free online screen test & display repair guides.
Free online screen test tool to diagnose dead pixels, bright spots, backlight bleed, and color issues on monitors, laptops, phones, and tablets. No download — runs full-screen solid colors in the browser. Includes multilingual display repair guides (EN/DE/ES/PT).
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