Partner A4-1-A, Service Manual

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Touch Screen Symptoms
Symptom Corrective Procedure
• Touchscreen does not
function
• No virtual mouse
• Cursor doesn’t follow when
touching the screen
• Install and run the touchscreen tility from the driver CD.
• Reseat the panel cable.
• Reseat the touchscreen board-to-touch panel cable.
• Replace the touch panel.
Power Symptoms
Symptom Corrective Procedure
• Power shuts down unexpectedly
• Cannot turn the system on
• Reseat the power AC adapter cable.
• Reseat the power AC adapter.
• Replace the mainboard.
• Cannot turn the system off • Hold down the power button for four seconds.
• Replace the mainboard.
Network Symptoms
Symptom Corrective Procedure
• Cannot access LAN • Confirm that network hub/switch (if present) is
functioning correctly.
• Reseat the RJ-45 cable.
• Confirm green and orange LED activity of the RJ-45 jack.
• Check the network TCP/IP settings.
• Remove and reinstall the driver.
• Replace the network cable.
• Replace the mainboard.