If the motherboard display IC is corrupted, you can try the following steps to fix the problem:
Confirm the problem: First, you need to confirm whether it is really the motherboard display IC that is damaged. You can try using another monitor, or connect the motherboard to another computer, to confirm that the problem is caused by the motherboard display IC.
Contact the manufacturer: If it is confirmed that the motherboard display IC is damaged, you can contact the motherboard manufacturer and ask them for advice on repairing or replacing the display IC. Some motherboard manufacturers will provide free repair services, but some need to charge a certain fee.
Replace yourself: If you have enough experience and skill, you can try to replace the motherboard display IC yourself. This usually requires some experience in electronic equipment repair and requires some special tools such as soldering tools and magnifying glasses.
Buy a new motherboard: If you don't want to replace the display IC yourself, or you think this is too complicated a process, you can consider buying a new motherboard. This will ensure that your computer can run properly and that you can avoid any potential risks.
It has to be replaced. There is no other way