hp slimline desktop

I would like to add a Dual or Four Port Intel Gigabit PCI-e x16 ethernet card to my HP Slimline Desktop - 410-01. My plan is to convert this into a Pfsense Router/Firewall, etc. Pfsense is much more reliable with Intel Network Cards. I would also need to disable the onboard RealTek Ethernet...

Hi, I have just bought an Acer A515-51G-388J Laptop which has I3 6006U-4 GB DDR4 RAM-940 MX GPU. It came with Endless OS but I installed Windows 10 Home 64-bit. I installed all drivers and updates(1803). But when I try to open file explorer from taskbar, nothing happening for 5 seconds and then...