QuickSpecs HP ProDesk 400 G3 MT/SFF, ProDesk 490 G3 MT, HP ProOne 400 G2 AiO, ProDesk 400 G2 DM
HP PRODESK 400 G3 MINI TOWER DESKTOP MOTHERBOARD 793739-601 | eBay
On a HP ProDesk 400 G3 mini (Linux, dual monitor), HDMI in times starts in low resolution + HDMI and / or DP black out after sleep / moving cables - Super User