Having problems with your HP Compaq Business Desktop d330 Slim Tower ?
Processor fan not turning
\015 I have a Compaq d330 ST P/N DC581AV - I get a red flashing light twice then one second later and then a 2 second pause. Troublshooting guide says that it went into a thermal protection activation mode. I am not able to pull the processor fan off to see if it is blocked. How do you take off the processor fan?\015
Failure of motherboards/processors due to thermal errors is usually due to breaking capacitors or overheated cases. In places with heavy dust build up this can cause components to fail due to heat issues. A few years ago a capacitor company stole the "recipe" for making capacitors from another company and tried to make their own, unfortunately they did not get the ingredients right and the capacitors started breaking after 2-3 years of use. They sold these capacitors at very cheap prices and a lot of computer companies and power supply makers bought them. This is easy to diagnose. Look for capacitors (caps) (they look like little tiny soda cans) on your motherboard (mobo). They should be perfectly flat on top and not bulged or swelling or leaking anything. There are a few companies that will repair broken capacitor issues. Hope this explains why they can fail. They can also fail if overheated (like when a case cooling fan fails), the cpu is overclocked and not cooled down (which raises temps), the power supply fails or by lightning and power surges. Also if you add a bunch of extra components without upgrading the power supply you can suffer underpowered situations and a thermal error. Most processor fans are held on with clips or screws. I don't have experienc with your particular model, but look at the heat sink that is on top of the processor and look for either clips or screws. Also be aware that if you seperate the heat sink from the processor you will need to re-apply some thermal heat transfer compound. You could also try using compressed air on the fan to try to remove debris build up. Just make sure you do it on a cold computer (one that has not been running) as the spray will get cold and when you mix hot and cold together it usually doesn't work very good.
Repair Help & Product Troubleshooting for HP Compaq Business Desktop d330 Slim Tower
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