Dell Wyse 3040 Thin Client User Guide

Both power LED and activity LED come up briefly and then turn off.

• Check AC power, call your utility company.
• Check that AC power cord is plugged-in.
• Check that DC plug is plugged into the unit.

At first power apply: Both LEDs stay ON

Both power LED and activity LED come up briefly and then turn off.

• Logic board defect
• BIOS malfunctioning
• Abnormal power source

Push power button the LED does not turn

• Logic board defect
• Power button defect
• Mechanical assembly misaligned; causes miss actuation.

LED comes up normally but no display

BIOS screen is displayed after few seconds.

• Incompatible monitor

• Defect logic board

• Malfunction dongle (if used)

• Defect cable or connector

Distorted display

Should have normal viewable display.

• Incompatible monitor

• Incompatible dongle (if used)

• Not supported display mode

• Bad connection on display output

• Logic board defect