HP U28 - Page 21

19
Input Signal Out
of Range is
displayed on
screen.
Video resolution and/or refresh rate are set
higher than what the monitor supports.
Change the settings to a
supported setting.
The monitor is
off, but it did not
seem to enter
into Sleep mode.
The monitor’s power saving control is
disabled.
Open the OSD menu and
select Power Control > Auto-
Sleep Mode and set auto-sleep
to On.
On-Screen
Menus are
Locked is
displayed.
The monitor’s OSD lock function is enabled.
Press and hold the Menu
button on the front bezel to 10
seconds to disable the OSD
lockout function.
Power Button is
Locked is
Displayed
The monitor’s power button is locked.
Press and hold the power
button for 10 seconds to
disable the power button lock
function.