wireless mouse lag and freeze

Running a PowerSpec PC with: ASRock a520m/ac motherboard AMD Ryzen 5600G 16 GB of Oloy Owl 3200 DDR4 RAM Intel 9260 wireless card WD Black SN750 500GB SSD PowerSpec 400w power supply Lian Li case. Ever since I got the computer I’ve had issues with it. If you try to run a usb flash drive and a...

ok so long story short i disassemble my pc to return the motherboard because i thought or is malfunctioning,, only that i think i know the problem since i just fixed it on my laptop too ,, but when i was disassembling, the thermal paste that came with the stock fan got removed so im wonderin can...