Replace motherboard - steps to consider.

Computer Type: PC/Desktop
System Manufacturer/Model Number: custom build
OS: Windows 11 Pro - Windows 7 HP - Lubuntu
CPU: i5 6600K - 800MHz to 4200MHz
Motherboard: GA-Z170-HD3P
Memory: 4+4G GSkill DDR4 3000
Graphics Card: IG - Intel 530
Monitor(s) Displays: Samsung 226BW
Screen Resolution: 1680x1050
Keyboard: Old and good Chicony mechanical keyboard
Mouse: Logitech mX performance - 9 buttons (had to disable some)
PSU: Thermaltake 450W TR2 gold
Hard Drives: (1) -1 SM951 – 128GB M.2 AHCI PCIe SSD drive for Windows 11 (2) -1 WD SATA 3 - 1T for Data (3) -1 WD SATA 3 - 1T for backup (4) -1 BX500 SSD - 256G for Win 7 and Lubuntu
Internet Speed: 500 Mb/s
Browser: Firefox 64

Computer Type: Laptop
System Manufacturer/Model Number: Asus Q550LF
OS: Windows 7 Pro
CPU: i7-4500U 800- 3000MHz
Motherboard: Asus Q550LF
Memory: (4+4)G DDR3 1600
Graphics Card: IG intel 4400 + NVIDIA GeForce GT 745M
Sound Card: Realtek
Monitor(s) Displays: LG Display LP156WF4-SPH1
Screen Resolution: 1920 x 1080
Hard Drives: BX500 120G SSD for Windows and programs 1T HDD for data
Internet Speed: 500 Mb/s
Browser: Firefox 64