Hello there,
You can try to clear CMOS first: Please unplug the power supply and HDMI cable. Then press the pinhole of “CLR CMOS” with a pin for about 10 seconds. Ten minutes later, plug the power supply and HDMI cable, turn on the PC again.
Please wait about one or two minutes, if you can go to the system, Please repeatedly press delete key as soon as your restart the PC, go to BIOS. Go to Boot option, enable fast boot, press F4 to save.
Here is a video tutorial: https://mega.nz/file/2nIRGaYI#M2aIM2bkOJshrhE8sK8MNiKopfyHlqyjnn86TypZp2w
Here are some solutions:
1、Please take out the RAM ,please clean the contacts of the RAM with a rubber. Here is the tutorial [https://url.bee-link.cn/AzzB] or https://mega.nz/file/7nwDmCaL#UyzSmVkqJG8HW9dhjHhLkkzdP9gt2Br3xyCG1SCdbrA
2、 Please take out one RAM and leave the other one in it to test if the RAM is defective or not. When testing, please turn on the PC, and wait about one minute, if you can go to the system, Please repeatedly press delete key as soon as your restart the PC, go to BIOS. Go to Boot option, enable fast boot, press F4 to save.
Have a nice day!