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So it's a well-known fact that the EXP GDC (all versions), PE4C (v2.1), PE4H (v2.4) and PE4L (v1.5) use some kind of socketted connection to connect itself to the laptop's mPCIe or EC slot. This socketted connection usually comes in the form of a physical HDMI or mini-HDMI port, which are notorious for being loose, non-locking connectors. As to why the manufacturers decided to use HDMI/mHDMI, it boggles my mind. They could have used literally any other connector. The physical HDMI connection between the eGPU adapter and the laptop can get very loose, and thus causing signalling issues between the graphics card and the computer. Usually this isn't much of a problem, since it's a digital signal, so it's not like your pixels will look mangled up or whatever. However, sometimes it causes the signal to intermittently drop out, causing the graphics card to disconnect from the PC, making the graphics card driver crash. Usually this just ends up in the 3D game freezing momentarily and then coming back with a perpetual black screen, forcing you to restart the game, disabling/re-enabling the card in Device Manager, and re-applying your overclock/underclock settings (if any). Sometimes it causes the PC to crash outright with a BSoD. I thought putting some constant downward force (ie, perpendicular to the plane of the PCB) on the HDMI cable would solve this, but that doesn't seem to work. EDIT: Googling "loose hdmi port" doesn't yield any useful results because of audiophools and console peasants lowering the signal-to-noise ratio Has anyone figured out any other hacks/solutions to get around this?