- Joined
- Mar 14, 2018
- Messages
- 8
- Motherboard
- Laptop make & model # > See Rules!
- CPU
- i5-8250U
- Graphics
- UHD 620
- Mac
- Mobile Phone
It was working well on Mojave. Then after upgraded to Catalina, I got this issue. Right after the OS is booted and the login screen is loaded, the screen turns black. If I then switch the monitor signal source to others e.g. VGA/Display then switch back to HDMI, the screen is back to normal and I can login. I have used the plist from this: https://github.com/RehabMan/OS-X-Clover-Laptop-Config/blob/master/config_HD615_620_630_640_650.plist and followed some online instructions to fix 7MB graphic memory issue and everything was working on Mojave.
This build is based on a mini PC as follow:
CPU: i5-8250U
Graphic: UHD 620
Memory: G.SKILL Ripjaws Series 8GB 260-Pin DDR4 SO-DIMM DDR4 2400 (PC4 19200) Laptop Memory Model F4-2400C16S-8GRS
Storage: Samsung 860 EVO 250G
Motherboard: Unknown mini PC board with AMI BIOS
WiFi card: BCM94352
EFI attached. If anyone has any idea please help and it'll be appreciated. Any more information needed I'm more than happy to provide.
This build is based on a mini PC as follow:
CPU: i5-8250U
Graphic: UHD 620
Memory: G.SKILL Ripjaws Series 8GB 260-Pin DDR4 SO-DIMM DDR4 2400 (PC4 19200) Laptop Memory Model F4-2400C16S-8GRS
Storage: Samsung 860 EVO 250G
Motherboard: Unknown mini PC board with AMI BIOS
WiFi card: BCM94352
EFI attached. If anyone has any idea please help and it'll be appreciated. Any more information needed I'm more than happy to provide.