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HP U28 User Manual

HP U28
22 pages
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13
1) Remove wall mount screws and rear cover, Take the electric screwdriver and remove the 4 rear cover wall
mounted screws (as shown blue circle) and remove rear cover.
2) Remove the rear cover and key board. Remove the rear cover first, after disassembling the rear cover, hold the
rear cover with your hand (do not damage the wire), remove the buttons from the rear cover, and then put the
rear cover aside.
3) Remove the function key board and power key board. After opening the hook at the connector of the function key
board in the blue circle, unplug the two FFC wires. Take out the power keypad from the yellow square and unplug
the cable; place the power keyboard and the function key board at the designated position.

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HP U28 Specifications

General IconGeneral
Color depth8 bit
Pixel pitch0.116 x 0.116 mm
Screen shapeFlat
Pixel density157 ppi
Display diagonal28 \
Surface hardness3H
Display technologyLCD
Native aspect ratio16:9
Vertical scan range30 - 60 Hz
Maximum refresh rate60 Hz
Horizontal scan range27 - 136 kHz
Display number of colors-
Display brightness (typical)400 cd/m²
Supported graphics resolutions640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1440 x 900 (WXGA+), 1440 x 900, 1600 x 900, 1920 x 1080 (HD 1080), 2560 x 1440, 3840 x 2160
Pivot angle-90 - 90 °
Tilt angle range-5 - 23 °
Panel mounting interface100 x 100 mm
USB hub version3.2 Gen 1 (3.1 Gen 1)
DisplayPort version1.2
USB Power Delivery up to65 W
USB Type-A downstream ports quantity3
HP segmentHome
Package depth165 mm
Package width824 mm
Package height470 mm
Package weight10450 g
Operating temperature (T-T)5 - 35 °C
Operating relative humidity (H-H)20 - 80 %
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Power consumption (max)155 W
Power consumption (standby)0.5 W
Power consumption (typical)45 W
CertificationMEPS; BSMI; CB; CCC; CE; CECP; CEL; EAC; ENERGY STAR®; FCC; ISO 9241-307; KC/KCC; NOM; PSB; SEPA; TCO Certified; TUV-S; UL/CSA; VCCI; Vietnam MEPS; WEEE; ISC; WW application; ICE
Product colorSilver
Country of originChina
Sustainability certificatesCE, ENERGY STAR, TCO
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)189.9 mm
Height (with stand)531.4 mm
Weight (with stand)6350 g
Depth (without stand)43.4 mm
Width (without stand)637.1 mm
Height (without stand)371.2 mm

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