POS System Troubleshooting - Booting Issues

pos system symptom: Re-booting during system operation
Corrective Procedure
▪ Check SATA cable connection
▪ Check memory status

POS System Troubleshooting - PS/2 Keyboard Issues

pos system symptom: PS/2 Keyboard Issues
Corrective Procedure
▪ Check card-reader cable
▪ Check motherboard jumper

POS System Troubleshooting - Power Issues

pos system symptom: System switches off abruptly and system does not load
Corrective Procedure
▪ Check A/C cable connection
▪ Check motherboard power connection
▪ Check CPU settings/status
▪ Check DRAM settings
▪ Check power button cable connection
▪ Change power adaptor unit

POS System Troubleshooting - Touch-screen Issues

pos system symptom: Touch-screen doesn’t detect touch operations
Corrective Procedure
▪ Check touch-screen cable connection
▪ Check motherboard and LCD cable connection
▪ Check BIOS set-up

POS System Troubleshooting - LCD Issues

pos system symptom: LCD backlight doesn’t work
Corrective Procedure
▪ Check LCD cable connection
▪ Check inverter cable connection
▪ Replace inverter cable
▪ Change LCD panel

POS System Troubleshooting - USB Issues

pos system symptom: POS system USB port doesn’t work
Corrective Procedure
▪ Check Windows device manager for device recognition
▪ Check USB device status and connection
▪ Erase and re-install USB driver
▪ Change USB device

POS System Troubleshooting - MSR Issues

pos system symptom: MSR does not respond
Corrective Procedure
▪ Check MSR reader cable connection
▪ Check motherboard and LCD cable connection
▪ Check MSR board cable connection

POS System Troubleshooting - Network Issues

pos system symptom: Cannot access LAN
Corrective Procedure
▪ Check if hub or switch is working correctly
▪ Check RJ45 cable connection
▪ Check if LAN LEDs are on/off
▪ Reinstall LAN card
▪ Replace motherboard