First, verify that the video cable is properly connected to the monitor. If the connection is secure, open the computer case, remove both DDR4/DDR5 RAM modules, and test the system by installing only one module. If the issue persists, install the other module individually and test again. This may resolve the problem if either module is loose or damaged, preventing the computer from booting. If the issue persists after these steps, please contact us for repair.

(This troubleshooting method also applies to most computers experiencing blue screen errors.)

Enter the OS settings interface, click the "Time&language” . Youcould set the keyboard, language, time you wanted. The computerneed to be connected to the Internet when downloading the languagepacks.

Some computers with built-in Integrated Graphics don't supportNon-standard display. And it has higher requirements on video cablewhen using high resolution and refresh rate display, please try to usedifferent video cable and monitors to test.

 When you turn on the PC, press "Del" or "ESC" at once before the OS loads.After you enter the Bios interface, you could set Boot Option. Some PCuse hard drive as the boot option, some use "Windows Manager" as thefirst Boot Option. Different motherboard will have some deifference.

Computers come with a 30-day return policy, 15-day exchange policy, 2-year warranty, and ongoing technical support.