"Daisy Chaining" monitors is a new connection specification that allows multiple monitors to be connected in series with the video signal being passed from the computer to a monitor, and then from the first monitor on to the second monitor.
Dell Enhanced Pre-Boot System Diagnostics (ePSA) are diagnostics that are built into the hardware of your system. These tests allow you to check the hardware of you system from outside the Windows® operating system removing software from the diagnostic process.
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