Chapter 2. 2-9
Understanding power management
Power management is invoked when the computer recognizes that you have not used your
mouse or keyboard for a user-definable period. There are several states as described in the table
below.
For optimal performance, switch off your monitor at the end of each working day, or whenever
you expect to leave it unused for long periods during the day.
Table 2-5. Power indicator
State Power Indicator Screen Restoring Operation Compliance
On White Normal
Standby/Suspend Amber Blank Press a key or move
the mouse
There may be a slight
delay before the
image reappears.
Note: Standby also
occurs if there is no
image output to the
monitor.
ENERGY STAR
Off Off Blank Press the power
button
There may be a slight
delay before the
image reappears.
ENERGY STAR
Power Management Modes
VESA Modes
Horizontal
Sync
Vertical Sync Video
Power
Indicator
Power Consumption
Normal
operation
Active Active Active White
122 W (maximum)*
23 W (typical)
Active-off
mode
Inactive Inactive Off Amber Less than 0.5 W**
Switch off - - - Off Less than 0.3 W
Energy Star Power Consumption
P
ON
18.05 W
E
TEC
57.56 kWh
* Maximum power consumption with max luminance.
This document is informational only and reflects laboratory performance. Your product may
perform differently, depending on the software, components and peripherals you ordered and
shall have no obligation to update such information. Accordingly, the customer should not rely
upon this information in making decisions about electrical tolerances or otherwise. No warranty
as to accuracy or completeness is expressed or implied.
** Active-off mode power Consumption
Test conditions: DP or HDMI Port display, USB-C port No Connector To PC.
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General
Weight and Dimensions
