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My fan keeps spinning. How to find out why? What CPU temperatue is too high?

Message #1 - Posted 2004/08/14 - Michael Levin

Hi all. I'm running the latest update of Panther on a 17" G4 laptop. I've noticed in the last few months that the fan is on an aweful lot. I don't think it was this way before. Is there any way I can find out why? I have one of those apps which measures CPU temperature and it says 50.3C. Is that high? What's the upper limit? Any way for me to know what the hell is going on? This happens while I'm reading email, not burning a DVD or any high-intensity computation. Any thoughts would be appreciated. Thanks!

--

Mike Levin
mlevin77@comcast.net

Message #2 - Posted 2004/08/14 - George Williams

Michael Levin wrote:

Hi all. I'm running the latest update of Panther on a 17" G4 laptop. I've noticed in the last few months that the fan is on an aweful lot. I don't think it was this way before. Is there any way I can find out why? I have one of those apps which measures CPU temperature and it says 50.3C.

That's not too hot - 122 F. Maybe the battery is overheating. What percent of CPU is being used when the fan is on?
(in activity monitor)

Message #3 - Posted 2004/08/15 - Michael Levin

On 8/14/04 12:35 PM, in article 411E3F4F.3C690AD6@mac.com, George Williams wrote:

Michael Levin wrote:

Hi all. I'm running the latest update of Panther on a 17" G4 laptop. I've noticed in the last few months that the fan is on an aweful lot. I don't think it was this way before. Is there any way I can find out why? I have one of those apps which measures CPU temperature and it says 50.3C.

That's not too hot - 122 F. Maybe the battery is overheating. What percent of CPU is being used when the fan is on?
(in activity monitor)

activity monitor says about 80-90% of CPU for system, 20-10% for user (it keeps shifting within those bounds). Very odd - what could the system possibly be doing? I'm just writing emails! Any suggestions for tracking this down?

Thanks!

--

Mike Levin
mlevin77@comcast.net

Message #4 - Posted 2004/08/15 - George Williams

Michael Levin wrote:

activity monitor says about 80-90% of CPU for system, 20-10% for user (it keeps shifting within those bounds). Very odd - what could the system possibly be doing? I'm just writing emails! Any suggestions for tracking this down?

Bad VM management? Is HD nearly full? Check number and size of swap files (in Finder: cmd-f swap, visibility=all)

Message #5 - Posted 2004/08/16 - Michael Levin

On 8/15/04 1:53 PM, in article 411FA2FB.92984879@mac.com, George Williams wrote:

Michael Levin wrote:

activity monitor says about 80-90% of CPU for system, 20-10% for user (it keeps shifting within those bounds). Very odd - what could the system possibly be doing? I'm just writing emails! Any suggestions for tracking this down?

Bad VM management? Is HD nearly full? Check number and size of swap files (in Finder: cmd-f swap, visibility=all)

I've got 6 Gigs free on the disk. I see two swap files - swapfile0 and swapfile1, both 64 Megs. Is that normal or bad?

--

Mike Levin
mlevin77@comcast.net

Message #6 - Posted 2004/08/16 - George Williams

Michael Levin wrote:

I've got 6 Gigs free on the disk. I see two swap files - swapfile0 and swapfile1, both 64 Megs. Is that normal or bad?

It's better than average. Something else is causing system to use 80-90% of cpu time. Maybe some hardware item.

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