How to get into the service menu Acer Nitro VG271P

  1. turn off the monitor (by pressing button 1)
  2. press and hold buttons 2 and 3
  3. press and hold button 1 (do not release buttons 2,3)
  4. press button 4 once (do not release buttons 1,2,3)
  5. wait until the screen turns on then release button 1
  6. after the service menu appears on the screen, release all remaining buttons (2,3)
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