Laptop freezes and the mouse become unresponsive

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Hello group
I would like to ask your opinion about some peculiarity that I seldom
experience but as this happened lately to one of laptops twice in a
row in a short span of time  therefore it prompted me to ask the
expertise of this group
The defect that manifest is like this
When this notebook hangs up the mouse becomes unresponsive so I can't
open the task manager to see if what is going on .
It just all applications just freezes and I can't do nothing more but
just to shut up the power button.
When I restarted the notebook once again it just start normally
without even showing something such as that the PC was not shut down
properly and there will be such  things a checking the disk etc and
other related automatic routines...
In the past several days I noticed that when I open the task manager
the chip is always running at 100% specially if there are lots of
application open. This did not happen in the past but only recently.
I did not noticed anything strange such as sounds or the notebook
becoming warm etc.
Therefore I can't think of any cause for this peculiarity.
This particular notebook is HP run by WinXP Sp2, have 1 gig of Ram and
still 40 gig of hard drive space, Pentium M 760  Sonoma type.
I can't think this is a battery problem as this was running on AC
power when it happened.
Does anybody here have some experience on this area and what is your
recommended remedy for such?
Thank You!

Re: Laptop freezes and the mouse become unresponsive


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Scan for viri & malware, and try uninstalling any Windows or
application patches that might've been installed just prior
to the onset of the problem.

You might also try running "Process Explorer" (google will
find it) which will show what is consuming the CPU time.  If
notebook is unresponsive then you should leave Process
Explorer or Task Manager open in the background, hoping the
system is at least responsive enough to task switch with the
keyboard (using <ALT><TAB> )

Also check Event Viewer, and that the cooling fan(s) are
working and intake or exhaust areas not clogged with dust.

Re: Laptop freezes and the mouse become unresponsive

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I would suggest opening the task manager before performing the operation
that 'freezes things'. Make sure the task manager is on the Processes tab
and make sure the Always on Top tick is set (Options menu). When you hang
up, watch to see which processes go to a high % CPU and that process(es) is
your problem - let us know which process or processes cause the problem.

You should be able to right click on the rogue process in list and choose
"end process tree". When you try to do this exercise extreme patience. Right
click once, then leave the mouse alone until something happens, which could
take many seconds. When the popup menu finally arrives, choose "End process
tree", then wait again until the 'are you sure' dialog appears. This is
clearly only a temporary fix, but if you let us know (or google for help on)
which process is causing the problem, then we can help further.

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