Function Test; Support And Troubleshooting - HP E243d Maintenance And Service Manual

2) Use a hot air gun to melt the solder on the pins.
3) Lift the CN107 connector from the PCB.
4) Place the new component on the PCB. Be sure that it matches the PCB footprint.
5) Solder the new component.

Function test

After repair, be sure to confirm that all functions are working.
Table 4-1:
Function test
Test item
HDMI test
DP test
D-SUB test
Audio test

Support and troubleshooting

The following table lists possible problems, the possible cause or each problem, and the recommended
solutions.
Table 4-2 Common issues and solutions
Issues
Screen is blank or
video is flashing.
Operating description
Confirm whether image displays and sound plays correctly
on the monitor.
Confirm whether image displays and sound plays correctly
on the monitor.
Confirm whether image displays and sound plays correctly
on the monitor
Change volume and balance to confirm whether volume is
smooth and loud enough.
Possible cause
Power cord is disconnected.
Monitor is off.
Master power switch is set to off.
Video cable is improperly connected.
System is in Auto-Sleep Mode.
Video card is incompatible.
Tool used
Computer or DVD player
Computer or DVD player
Computer or D-SUB player
Speaker
Solution
Connect the power cord.
Press the monitor power button.
NOTE: If pressing the power button has no effect, press and hold
the power button for 10 seconds to disable the Power Button
Lockout feature.
Set the master power switch on the rear of the monitor to the On
position.
Connect the video cable properly.
Press any key on the keyboard or move the mouse to
inactivate the screen blanking utility.
Open the OSD menu and select the Input menu. Set Auto- Switch
Input to Off and manually select the input.
or
Replace the video card or connect the video cable to one of the
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