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Notebook freezes

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Nomad:
Hi everybody!

My notebook works on a Vista Home Premium 32 bit OS.
About once a fortnight it gets in a stalling condition, since long ago: clock freezes, cursor doesn't move, HD light doesn't blink; if this condition starts when sound was beeing produced, sound freezes too (it keeps a continuous sound on); this situation can not be modified by keyboard neither by mouse, even doing Ctrl+Alt+Del. The only signal of life remaining is fan revving.
All I'm left to do is energy button pressing for a few seconds to switch off and restart.
What's the cause of this and what can be done to prevent it from happening?
Thanks

Shane:
The system is locking, hard. Sometimes locks like that can happen if the temp of the cpu gets to high or if the laptop gets really hot. Does that seem to be the case when it happens?

Otherwise it can also be bad memory or bad sectors on the hard drive, normally it is hardware related. Both of those can be tested :-)

Shane

Nomad:
Shane

Thank you for the answer.
I have temperatures monitored permanently: GPU, HDs, MB and CPU. Usually, GPU is the higher one, 48 ou 49 C, close to the MB, then the HDs (they are two, 42 and 30 C), and the CPU is the lower one (32 to 54C, varying constantly), in an environment of 18C.
It seems to me this is not a temperature issue, because when it happens, the showed temperatures, although frozen as the rest, are not any higher than ever before.
As to memory and HD, I have the sidebar activated, and one of the gadgets there, is the CPU/RAM meter, and at the moment the freezing happens, they show quite normal too; yesterday RAM showed about 65%. About the HD I'm not so sure, CHKDSK do not indicate trouble, but in the past, things happened which I didn't understand, like analizes by Advanced SystemCare (from Iobit) saying there were problems, then I used to run CHKDSK and it seemed there was nothing wrong. Please tell how can I test both RAM and HD.

Nomad

Boggin:
You can run Windows own memory test by going Start - type memory then click on Windows Memory Diagnostic but if you have more than one RAM module fitted, as a quick test try running on just each one at a time to see if you get the freeze.

I find HD Sentinel a good program for testing the HDD has it gives you a status report. http://www.hdsentinel.com/hard_disk_sentinel_trial.php

It's a paid for program but you can use it up to 30 days on a free trial.

After I use it just for the S.M.A.R.T. report, I uninstall it then just reinstall it from my Downloads folder as and when and that way you can continue to use it.

42ºC could be a bit high for a HDD so that one could be suspect for me.

Shane:
I would run a memory test and also do a chkdsk c: /r on the drive to have it check for bad sectors and then go from there :wink:

Shane

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