Have you done a good job of removing accumulated dust? Dust acts as an insulator, and components covered with dust will heat up to a higher temperature, thereby causing thermostatic fans to speed up.
Fred Holmes At 09:28 PM 8/19/2007, Robert wrote: >I have a Dell XPS desktop PC that is about 4 or 5 years old. I believe in >keeping the computer running all the time (because this household computer has >multiple user profiles, is used frequently, and takes about 10 minutes to boot >up in Windows XP Home). > >Lately, a fan is making some noise. Not a screeching or scraping noise, just >an ordinary fan noise that gets louder and softer at random over a cycle of >about 3 -- 5 minutes. (When the computer is used with nearly 100% CPU the fan >noise understandably increases, but the noise will increase for a minute or >two when there is is little CPU activity and then decrease.) I don't know if >the noise originates from the CPU fan or the power supply fan. > >Should I be worried? >Using Lavalys Everest, the following is measured during low fan activity: > >CPU fan: 1162 RPM >Chassis fan: 1756 RPM > >Higher activity: >CPU fan: 1464 RPM >Chassis fan: 2129 RPM > >Temperature (lower activity): >Motherboard: 39 C. >CPU: 48 C. > >Temperature (higher activity): >Motherboard: 40 C. >CPU: 60 C. ************************************************************************ * ==> QUICK LIST-COMMAND REFERENCE - Put the following commands in <== * ==> the body of an email & send 'em to: [EMAIL PROTECTED] <== * Join the list: SUBSCRIBE COMPUTERGUYS-L Your Name * Too much mail? Try Daily Digests command: SET COMPUTERGUYS-L DIGEST * Tired of the List? Unsubscribe command: SIGNOFF COMPUTERGUYS-L * New address? From OLD address send: CHANGE COMPUTERGUYS-L YourNewAddress * Need more help? Send mail to: [EMAIL PROTECTED] ************************************************************************ * List archive at www.mail-archive.com/[email protected]/ * RSS at www.mail-archive.com/[email protected]/maillist.xml * Messages bearing the header "X-No-Archive: yes" will not be archived ************************************************************************
