Setup Guide

Description Values Values
Temperature range:
Operating
0°C to 35°C (32°F to 95°F) 0°C to 35°C (32°F to 95°F)
Storage
–40°C to 65°C (–40°F to 149°F) –40°C to 65°C (–40°F to 149°F)
Operating time Varies depending on operating conditions and
can significantly reduce under certain power-
intensive conditions.
Varies depending on operating conditions
and can significantly reduce under certain
power-intensive conditions.
Charging time (approximate)
4 hours (when the computer is off)
NOTE: Control the charging time,
duration, start and end time, and so
on using the Dell Power Manager
application. For more information on
the Dell Power Manager see, Me and
My Dell on https://www.dell.com/
4 hours (when the computer is off)
NOTE: Control the charging time,
duration, start and end time, and so
on using the Dell Power Manager
application. For more information
on the Dell Power Manager see, Me
and My Dell on https://
www.dell.com/
Life span (approximate) 300 discharge/charge cycles 300 discharge/charge cycles
Coin-cell battery
CR-2032 CR-2032
Operating time Varies depending on operating conditions and
can significantly reduce under certain power-
intensive conditions.
Varies depending on operating conditions
and can significantly reduce under certain
power-intensive conditions.
Display
Table 18. Display specifications
Decsription Values Values Values
Type
Full High Definition (FHD) Full High Definition (FHD) Ultra High Definition (UHD)
Panel technology
Wide Viewing Angle (WVA) Wide Viewing Angle (WVA) Organic Light-Emitting Diode
(OLED)
Luminance (typical)
• 220 nits
• 300 nits at 60 Hz (optional)
• 300 nits at 144 Hz (optional)
300 nits 400 nits
Dimensions (active area):
Height
193.59 mm (7.62 in.) 193.59 mm (7.62 in.) 193.62 mm (7.62 in.)
Width
344.16 mm (13.55 in.) 344.16 mm (13.55 in.) 344.22 mm (13.55 in.)
Diagonal
394.87 mm (15.55 in.) 394.87 mm (15.55 in.) 394.87 mm (15.55 in.)
Native resolution
1920 x 1080 1920 x 1080 3840 x 2160
Megapixels
2.07 2.07 8.29
Color gamut
72% (NTSC) 100% (sRGB) DCP P3 100%
Pixels per inch (PPI)
141 141 282
Contrast ratio (min)
600:1 1000:1 100,000:1
Response time (max)
• 220 nits at 60 Hz: 25 msec 8 msec 1 msec
18 Specifications of Dell G7 7590