My Mac has been randomly shutting off. Apple recently replaced my battery, and then performed several diagnostics tests on it. After replacing the battery, they said that everything passed.

I evaluated the internal temp (using Istats pro) and it is at 86.5 degrees feh (about 22 c*). Is that normal? What tools can I utilize to ensure that the internal system prevents from overheating. I have the Mac running on a cooling fan.

Bweiss1746 wrote:
A.) I accidentally hit the solve problem when responding to your comment... Is there a way I can undo that?
AS Ralph indicated, the system does not allow for that.
B.) I will post the Istats screen when I get home from work.
My concern is that the temperature you reported is abnormally low.  Thus I would like to see an image of the temperature monitor.  In sounds more like Centigrade. 
Also post an image of Activity Monitor showing ALL PROCESSES and % CPU displaying values from high to low.  This way we can determine if  the temperature readings reflect the activity being performed on the MBP.
Ciao.

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    5/23/11 9:42:51 AM          com.apple.launchd.peruser.501[108]          (com.apple.pbs) Throttling respawn: Will start in 10 seconds
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    5/23/11 9:43:07 AM          [0x0-0x34034].com.google.Chrome[258]          Mon May 23 09:43:07 Kyle-Sampsons-iMac.local Google Chrome Helper[285] <Error>: unknown error code: invalid context
    5/23/11 9:43:07 AM          [0x0-0x34034].com.google.Chrome[258]          Mon May 23 09:43:07 Kyle-Sampsons-iMac.local Google Chrome Helper[285] <Error>: unknown error code: invalid context
    5/23/11 9:43:07 AM          [0x0-0x34034].com.google.Chrome[258]          Mon May 23 09:43:07 Kyle-Sampsons-iMac.local Google Chrome Helper[285] <Error>: unknown error code: invalid context
    5/23/11 9:43:07 AM          [0x0-0x34034].com.google.Chrome[258]          Mon May 23 09:43:07 Kyle-Sampsons-iMac.local Google Chrome Helper[285] <Error>: unknown error code: invalid context
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    5/23/11 7:35:10 PM          com.apple.WindowServer[69]          Mon May 23 19:35:10 Kyle-Sampsons-iMac.local WindowServer[69] <Error>: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
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    Kyle-Sampsons-iMac:~ sampson2269$ last
    sampson2269  ttys000                   Tue May 24 11:13   still logged in
    sampson2269  console                   Tue May 24 08:58   still logged in
    apesfrep  console                   Mon May 23 19:35   still logged in
    reboot    ~                         Mon May 23 19:34
    apesfrep  console                   Mon May 23 08:46 - crash  (10:48)
    sampson2269  console                   Mon May 23 08:41 - crash  (10:52)
    reboot    ~                         Mon May 23 08:41
    sampson2269  console                   Sun May 22 00:17 - crash (1+08:23)
    reboot    ~                         Sun May 22 00:17
    shutdown  ~                         Sun May 22 00:16
    sampson2269  console                   Sun May 22 00:05 - 00:16  (00:10)
    reboot    ~                         Sun May 22 00:05
    sampson2269  console                   Sun May 22 00:03 - crash  (00:01)
    reboot    ~                         Sun May 22 00:02
    sampson2269  console                   Sun May 22 00:01 - crash  (00:01)
    apesfrep  console                   Sat May 21 20:04 - crash  (03:58)
    reboot    ~                         Sat May 21 20:02
    sampson2269  console                   Sat May 21 16:41 - crash  (03:21)
    reboot    ~                         Sat May 21 16:40
    apesfrep  console                   Sat May 21 10:33 - crash  (06:07)
    sampson2269  console                   Fri May 20 13:35 - crash (1+03:05)
    reboot    ~                         Fri May 20 13:34
    sampson2269  console                   Fri May 20 12:07 - crash  (01:27)
    reboot    ~                         Fri May 20 12:06
    sampson2269  console                   Thu May 19 22:43 - crash  (13:23)
    reboot    ~                         Thu May 19 22:42
    sampson2269  console                   Wed May 18 05:00 - crash (1+17:41)
    reboot    ~                         Wed May 18 05:00
    shutdown  ~                         Tue May 17 23:07
    sampson2269  console                   Tue May 17 22:51 - 23:07  (00:16)
    reboot    ~                         Tue May 17 22:50
    sampson2269  console                   Fri May 13 16:36 - crash (4+06:13)
    reboot    ~                         Fri May 13 16:36
    sampson2269  console                   Thu May 12 02:22 - crash (1+14:14)
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