Part of a trio of device failure modes: 白屏 (white screen), 黑屏 (black screen), 蓝屏 (blue screen, famously Windows BSOD). Can be used as a verb too: 手机白屏了。
culture
For frontend developers, 白屏 also refers to the flash-of-white-content before a webpage finishes loading — a performance metric called 白屏时间 (time-to-first-paint).
