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Possible Duplicate:
Slow Machine! What can I check?

I just bought a new hard disk for my compaq laptop. I reformatted the hard disk and installed windows 7 32-bit on it. I have 2Gb of RAM and a core 2 duo 2Ghz processor. I bought a 320Gb hitachi hard disk, because that's the only thing thats available. The hard disk that broke is also hitachi. I've only used that laptop for 2 days after installing the new hard disk. I the laptop for about 6 hours today and its fine. After 1 hour, I decided to turn on the laptop again. That is when it started to get really slow. I haven't installed anything on it before I shut it down. My only suspect is the hard disk is at fault again. My laptop is 3 years old, How am I suppose to determine what the real culprit is

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marked as duplicate by studiohack Mar 22 '11 at 16:33

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

up vote 1 down vote accepted

I have run twice into the issue that accumulation of dust in the air cooling channels/heatsinks degraded cooling so much that the CPU refused to run at the highest clock speeds. So check for some (safe) way to inspect for lint and dust being in the way for airflow and/or heat dissipation and clear it if necessary.

When (trying to) vacuum away the lint from one of said laptops, I managed to just displace a lump of dust in the cooling channel so much that it actually completely blocked the fan from moving at all, resulting in a laptop that kept it's CPU at the slowest speed and refused to run it at any higher rates, regardless of whatever commands I run to explicitly force it to. (At times, IT-equipment demonstrates fascinating ways of protecting themselves from damage). Needless to say, a laptop that has a max CPU of 2.2GHz feels quite sluggish when it refuses to run faster than it's slowest 800MHz.

If you use some sort of vacuum cleaner, be careful that you don't allow the fan to spin freely when cleaning (it might get damaged I've read). Just block it using some toothpick or so. (Of course, be always careful when you do vacuum clean computers, especially with covers removed. Vacuum cleaners love to do surprise attacks on delicate circuit boards they come nearby, not to mention their apetite for little keys.... sluuurp).

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You sure its a hard drive error? Honestly I used many laptops with different drives and all of them are slow in that situation. Maybe a 7200rpm drive would solve this, never tried that.

One solution for me was the Ready Boost. Grabbed my pendrive, plugged it in, format, ReadyBoost entire pendrive use and it fixed the problem. Now.. since Windows 7 can use multiple USB drives, guess this'll be my fix. 2 fast pendrives, thats it. (At least I never saw a fast-enough harddrive in notebooks.)

(By the way my laptop is a Lenovo ThinkPad T500 with 4gb of Gepida low-holo DDR3 memory. HDD: Hitachi , amongst the top-tier in speed. So..yeah.)

Another possible solution is the new Seagate hybrid drives which are not in the shops yet. Comes with an integrated NAND memory, and it learns the pattern you use files. Like you use x , y , z files every day / often, it'll keep it in the memory. Anyway, it IS fast. Blazing fast. Until then, try out a pendrive simply. Hope this helps.

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A better solution is a pure SSD. I've heard the hybrid drives can run REALLY hot... – Shinrai Oct 27 '10 at 16:55

General problem which i see it happening with Compaq laptops. I don't think its a hard disk failure.

Next, you should say in what terms do you feel is your computer slow. For example:

  • Is the booting or startup slow?

  • Or is the processing slow?

If a hard disk has broken down, then you probably can't run the OS itself. Just check for the following:

  • Whether laptop computer is getting Over heated

  • And is your cpu functioning properly.

The best thing i would suggest, is to install a Linux OS and see whether its running properly or not!

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