Many Dell unknowns here...
* Dell does not test our monitors using KVM's
* Dell does not support Linux, Ubuntu, etc. on the P4317Q. Not only will DDM not work, we do not have a monitor driver for those OS
* The P4317Q RS232 Protocol Document PDF is here
* The P4317Q RS232 Protocol Examples PDF example PDF is here
Social Media Support
Run the PC pre-Windows diagnostics
Where do I find my Dell PC Service Tag or Express service code?
Out of Warranty Support