No input signal on monitor after adding another black 8GB Ram to second slot. It has the same mhz, latency etc. Why it doesn't work? PC works again after removing it. :
Server Memory DDR4 Ram 16GB 4GB 8GB 32GB PC4 2400MHz 2133MHz 2666MHz 2133P 2400T 2666V REG ECC Support X99 Motherboard
Timetec Hynix IC 32GB KIT (2x16GB) DDR4 2666MHz PC4-21300 Unbuffered ECC 1.2V CL19 2Rx8 Dual Rank 288 Pin UDIMM Server Memory RAM Module Upgrade (32GB KIT (2x16GB)) at Amazon.com