Gigabyte z390 aorus pro with LG 5K display

[DevinLu]

FIRST OF ALL
THANKS FOR EVERYONE WHO HELP ME OUT

here is my setup

• Motherboard: Gigabyte z390 aorus pro
• CPU：i9 9900K
• Memory：KINGSTON DDR4 3200 16G X 4
• Graphics： VEGA 56 8G OC（BECAUSE THE 64 is out of stock）
• Hard disk：Samsung EVO 970 500G SSD （1TB out of stock）
• Thunderbolt：Gigabyte GC-ALPINE RIDGE for my 5k lg display
• Power：1000W

I GOT THE LG 5K DISPLAY WORKING,BUT IN THE SYSTEM INFO, THERE IS NO SOUND FROM THE LG 5K MONITOR.

ALSO MY Magic Mouse IS bit LAGGY using the bluetooth. but both wifi and bluetooth and airdrop works fine.

I have set the Product model to imac18,3.

don't know what I did, but once the sound works. after I shut down the pc, there are many errors showed up. after that. the sound gone again. I didn't change anything on my motherboard.

anyone can help me out plz
here is my efi file.

I can't use whatevergreen. if I use it. I got two lg5k display showed up. which I only have one.

 

[Photo2]

FIRST OF ALL
THANKS FOR EVERYONE WHO HELP ME OUT

here is my setup

• Motherboard: Gigabyte z390 aorus pro
• CPU：i9 9900K
• Memory：KINGSTON DDR4 3200 16G X 4
• Graphics： VEGA 56 8G OC（BECAUSE THE 64 is out of stock）
• Hard disk：Samsung EVO 970 500G SSD （1TB out of stock）
• Thunderbolt：Gigabyte GC-ALPINE RIDGE for my 5k lg display
• Power：1000W

I GOT THE LG 5K DISPLAY WORKING,BUT IN THE SYSTEM INFO, THERE IS NO SOUND FROM THE LG 5K MONITOR.

ALSO MY Magic Mouse IS bit LAGGY using the bluetooth. but both wifi and bluetooth and airdrop works fine.

I have set the Product model to imac18,3.

don't know what I did, but once the sound works. after I shut down the pc, there are many errors showed up. after that. the sound gone again. I didn't change anything on my motherboard.

anyone can help me out plz
here is my efi file.

I can't use whatevergreen. if I use it. I got two lg5k display showed up. which I only have one.

You need to delete whatevergreen and replaced with VegaGraphicsFixup.kext

 

[victoryang]

could you help me out , ive got the same tb3 ridge with you, but it goes open loop over and over again.
ive set the bios pcie to legacy and updated to f6 in z390ud ver1.0. how to login in it into bios using gigabyte z390