ENGLISHASUS BM665(MD560), BM685, and BP65(SD560) 69ENGLISHCPUProblem Possible Cause ActionToo noisy rightafter turning onthe computer.Your computer is bootingup.It is normal. The fan runs on itsfull speed when the computer ispowering on. The fan slows downafter entering the OS.The BIOS settings havebeen changed.Restore the BIOS to its defaultsettings.Old BIOS versionUpdate the BIOS to the latestversion. Visit the ASUS Supportsite at http://support.asus.com todownload the latest BIOS versions.Computer is toonoisy when in use.The CPU fan has beenreplaced.Ensure that you are using acompatible or ASUS-recommendedCPU fan.There is not enoughair ventilation for thecomputer.Ensure that your computer isworking in an area with good air flow.The system temperature istoo high.• Update the BIOS.• If you know how to reinstall themotherboard, try to clean the innerspace of the chassis.If the problem still persists, refer to your Desktop PC’s warranty card and contact the ASUSService Center. Visit the ASUS Support site at http://support.asus.com for the servicecenter information.