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My acer aspire one is getting slower and sluggish especially after it has been on for a while. applications take ages, internet browsing is slow etc etc. It does start up windows normally. the pc tends to feel quite hot after on the underside after a while, and i never hear a cooling fan go on. does it have a cooling fan at all. could it be hardware failure like the fan is not working or is it a question of software

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It definitly has a cooling fan so the fan may have failed or it is so clogged with dist hair etc there is no airflow. The air and bottom should be warm to the touch. It should not feel like you are going to burn your hand. That sensation is not as hot as you think but is a good indication for this. You should definitly feel some airflow even if you cannot hear the fan. If you can't feel any airflow then you do have a problem and you shouldn;t use the computer until you get it fixed. The slows are then being caused by the cpu overheating and putting itself into a safe mode to try to prevent damage. Older cpu's would just happily buzz away until they went poof. Newer versions try to protect themselves.

The only software issues that can cause the slows are a massive spyware or virus infection. And the only thing that I've seen not run the fans properlly are some unpatched versions of Linux where they ACPI bus drivers are not quite right. From your description I'd go with the fan/dust as the cause.

What you need to do is to get a flashlight or bright light and look for the opening where you can see the fan blades. Then turn it on and see if there is any movement. When it warms up which should only take a few minutes at most and if at that point you do not see movement the fan is probably defective and you need to shut down and replace it ASAP before using it any more. The fans are not expensive.

If you see the fan move then you probaly have a dirty cooling system. This you can try to clean out with compressed air. You need to stop the fan from rotating and then spray air in from the exit and then back through the inlet. This will loosen up the dust and hair. You may only see what seems like a small puf of dust and thats it. That is all it takes on some systems to overheat. If this helps but doesn;t fix the heating it probably has to come apart and be manually cleaned. Usually there is hair or lint blocking the internal vents.

If you call around local computer shop sthey may be able to fix the fan or clean it out. If you can;t find any you can go to the acer page and go through tech support to find the closest repair depot. You do need to correct this as both the fan or block cooling will eventually cause damage to the cpu by overheating.

Posted on Aug 22, 2010

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