ViewSonic VX2739wm-1 - Troubleshooting Flow Chart

6. Troubleshooting Flow Chart
Can not boot
Abnormal screen
1.Test after boot，the screen left bottom has the streaks
2. Purple screen after booting
3. White screen appears after booting
Can not boot
Check AC-power
whether is OK
Replacement the
AC Power
Supply
Equipment
Disassembles the system
to remove the PSU, and
supplies the power directly
Replace the PSU
and Test
The nondefective
Replacement MB and
OK
NG
OK
NG
ViewSonic Corporation
VX2739wm-1
VX2739wm-CN
CONFIDENTIAL – DO NOT COPY
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