ASUS M51ACUS006S User Manual

ASUS M51AC

59

Too noisy right 

after turning on 

the computer.

Your computer is booting 

up.

It is normal. The fan runs on its 

full speed when the computer is 

powering on. The fan slows down 

after entering the OS.

The BIOS settings have 

been changed.

Restore the BIOS to its default 

settings.

Old BIOS version

Update the BIOS to the latest 

version. Visit the ASUS Support 

site at http://support.asus.com to 

download the latest BIOS versions.

Computer is too 

noisy when in use.

The CPU fan has been 

replaced.

Ensure that you are using a 

compatible or ASUS-recommended 

CPU fan.

There is not enough 

air ventilation for the 

computer.

Ensure that your computer is 

working in an area with good air flow.

The system temperature is 

too high.

•  Update the BIOS. 
•  If you know how to reinstall the 

motherboard, try to clean the inner 

space of the chassis.

•  Contact the ASUS Service Center 

for assistance.

If the problem still persists, refer to your Desktop PC’s warranty card and contact the ASUS 

Service Center. Visit the ASUS Support site at http://support.asus.com for the service 

center information.