Running HP8300 Elite with a Nvidia Quadro NVS 450 Windows 7 64bit. Attached 2 S2340T monitors without displaylink software. With extended desktop the monitor works great. Attempted to increase it to the max four monitor setup. Extended display does work however touch ability works on all but touched area only mirrors to the primary display which is defined by Windows. Downgraded back to 2 monitor setup and works. Attempted to expand again to 4 monitors this time using the 2 S2340T and adding 2 S2340M monitors. Again extended display will work however touch screen defaults back to only the primary screen. Attempted to use the displaylink software (multi versions) to help with no success. All drivers are up to date. Any help would be greatly appreciated.
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