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Alienware AW2721D User Manual

Alienware AW2721D
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72 | Troubleshooting
Universal Serial Bus (USB) specific problems
Specific
symptoms
What you
experience
Possible solutions
USB interface
is not working
USB
peripherals are
not working
Check that your monitor is turned on.
Reconnect the upstream cable to your
computer.
Reconnect the USB peripherals
(downstream connector).
Switch off and then turn on the monitor
aga
in.
Reboot the computer.
Some USB devices like external portable
HDD requ
ire higher electric current;
connect the device directly to the computer
system.
SuperSpeed
USB 5 Gbps
(US
B 3.2
Gen1)
interface is
slow
SuperSpeed
USB 5
Gbps
(USB 3.2
Gen1)
peripherals
working slowly
or not working
at all
Check that your computer is SuperSpeed
USB 5 Gbps
(USB 3.2 Gen1)-compatible.
Some computers have USB 3.2, USB 2.0,
and USB 1.
1 ports. Ensure that the correct
USB port is used.
Reconnect the upstream cable to your
computer.
Reconnect the USB peripherals
(downstream connector).
Reboot the computer.
Wireless USB
perip
herals
stop working
when a USB
3.2 device is
plugged in
Wireless USB
perip
herals
responding
slowly or only
working as the
distance
between itself
and its receiver
decreases
Increase the distance between the USB 3.2
peripheral
s and the wireless USB receiver.
Position your wireless USB receiver as close
as poss
ible to the wireless USB peripherals.
Use a USB-extender cable to position the
wi
reless USB receiver as far away as possible
from the USB 3.2 port.

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Alienware AW2721D Specifications

General IconGeneral
Screen Size27 inches
Resolution2560 x 1440 (QHD)
Refresh Rate240Hz
Panel TypeIPS
Response Time1ms (GtG)
G-Sync CompatibleYes
Aspect Ratio16:9
Contrast Ratio1000:1
Color Gamut98% DCI-P3
DisplayHDRDisplayHDR 600
Adaptive SyncNVIDIA G-SYNC ULTIMATE
Stand AdjustmentsHeight, Tilt, Swivel, Pivot
VESA Mount100 x 100 mm
Brightness450 cd/m²
Connectivity2x HDMI 2.0, 1x DisplayPort 1.4, 4x USB 3.0

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