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Table 3-2. Troubleshooting
Problem
• Fuzzy lines in text
• Horizontal or
Monitor consumes
power from notebook
or phones when
connected with
adapter.
M15 can't be
powered on by
notebooks or phones.
Normally display
when M15
connecting with
45W power adapter
and notebook, but
no charging symbol
showing in notebook.
Monitor blink or
screen off when
connecting with
smart phones
3-4 M15 Flat Panel Monitor User's Guide
Possible cause
• Image setup has not
or a blurryimage
been optimized
• Your system
vertical lines
DisplayProperties
setting have not
through the image.
been optimized.
Adapter has no USB-C
PD function.
• USB C ports of
notebooks or phones
can't support power
output or Alt-mode.
• Notebooks or
phones have no
enough power to
support M15.
Power input of
notebook must be 45w
or above, M15 can't
provide enough power
for notebook.
• Smart phones can't
supply enough
power for monitor
• Smart phones screen
off when timeout
Suggested action
Adjust the resolution settings on
your system to match the native
resolution for this monitor:
1920 x 1080 at 60 Hz.
When working in the native
resolution, you may find
additionalimprovements by
adjusting the Dots Per Inch (DPI)
setting on your system
Use USB C to C adapter
connecting with M15 and
charging your notebook or phone.
• Check the USB C ports of
notebooks or phones and
make sure they support PD
2.0 and DP 1.2 Alt mode.
• Connect M15 with
adapter then power on.
• You can connect the adapter
and M15 with notebook, then
notebook can be charged by
adapter and can power on M15.
• Use 65W or above adapter
to connect with M15, and
then charge notebook.
• Connecting adaptor with
monitor, then monitor
connecting with smart phones.
• Set screen timeout as "never"
on smart phones to avoid
monitor screen off.
Reference
" Selecting a
supported display
mode" on page
2-5
See the Advanced
section of your
system's display
properties
"Understanding
power
management" on
page 2-6
"Connecting
and turning on
your monitor" on
page 1-6 and
"Understanding
power
management" on
page 2-6
"Understanding
power
management" on
page 2-6
"Understanding
power
management" on
page 2-6
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