Computer slows down for no reason

November 13, 2010 at 16:46:50
Specs: Windows XP, 1.83Ghz/2Gb

I have a Dell Inspiron 1525 (4 years old now), Windows XP SP3, CPU Intel T2400 1.83Ghz, 2GB RAM, ATI Mobility X1400 (256Mb). 6 months ago I started having the following problem:

After the boot, the computer starts normally, runs absolutely fine, but after 5 to 10 minutes it slows down at a fantastic rate! It becomes unbelievably sluggish, examples:
- simply refreshing the desktop takes 3-4 seconds;
- all movies/videos frames are slow, sounds go ahead;
- even typing a sentence in this post takes me a while - takes long for letters to "show up" after typing on keyboard;
- opening folders seems slow (but acceptable), however scrolling through them is a pain!
- web pages take long to open, navigating the web is awful;

However! I have noticed that I can eventually get the computer running after 20-30 reboots. I literally keep on rebooting and waiting till it "breaks down" and eventually after lots of these attempts it will work fine - and i mean it, it simply flies like a brand new laptop!!! And it's all good till I shut it down again, and then I have the problem again...As a matter of fact, I once had it running for 1 month without shutting it down - simply did not want to go through the reboots again.

Again, I boot the computer, runs smootly, 5 minutes later it crashes. At the moment of crash, it seems that especially the user-related programs go up proportionately in mem usage, and the cpu usage jumps chaotically from 50 to 100%, that is, even with no programs running, it will jump like this! Lastly, the crash happens absolutely!!! regardless of the activity. Meaning, whether I run programs or not, it eventually crashes.

What I have done:
- registry cleaner doesnt help
- updating DirectX didn't seem to help;
- cleaning background processes didnt help;
- even after reinstalling windows, I had the same problem;

I suspect it is a hardware failure, but as you can see, I can eventually get the computer run like a brand new baby! That is why I am so confused. I am hopeless now, as i dont have the money to buy a new laptop. Can anyone help me please! Thanks guys!

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November 13, 2010 at 17:11:18
Try running Malwarebytes to see if you have an infection that your anitvirus program cannot see/remove.
Download Process Explorer (from MicroSoft) to see better what is running and what is using those CPU cycles. You can also shut down processes like in task manager, and then Google to find out what they are so you can know what to do about them.

You have to be a little bit crazy to keep you from going insane.
If all else fails, read instructions.

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November 14, 2010 at 05:56:03
Check for an overheating CPU.

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November 14, 2010 at 06:39:08
Also look at these:
especially the first 6 or so

You have to be a little bit crazy to keep you from going insane.
If all else fails, read instructions.

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