About the fan not rotating and noise:

1. If your machine has the following SN code （don't need check the red font part),you can contact our after-sales email (Support-PC@bee-link.com) to get BIOS to solve the problem.
   
   

   GTR5-A-XXXXVK0W64PRO	SEi8V4-XXXX810W64PRO-A	GK55-A-XXXXQDOW64PRO-V3
   U59V1-E-XXXXSD0W64PRO-A	SEiI3-G-XXXX810W64PRO-A	GK55V1-A-XXXXQDOW64PRO-V3
   SEi8II-G-XXXX810W64PRO	SER3-E-XXXXEJ0W64PRO	GKMINIV3-A-XXXXQDOW64PRO-A
   SEi8V3-G-XXXX810W64PRO	SER-E-XXXXEJ0W64PRO	SER4-E-XXXXEJ0W64PRO
   SEi8V4-G-XXXX810W64PRO	GTI11-G-XXXX10W64PRO	GTR4-A-XXXXVK0W64PRO

   
   
   
2. Inspect and clean the air vents and fans. Blocked air vents can cause the computer to overheat and can impact the performance of the computer.