清屏

qīngpíng
(computing) to clear (all items on the display screen)

CEDICT

computing

Entry Composition

1 清 qīng
  1. (of water etc) clear; clean
  2. quiet; still
  3. pure; uncorrupted
  4. clear; distinct
  5. to clear; to settle (accounts)
2 屏 píng (standing) screen