The fan on my Dell Dimension 5100 is nearing its end. How do I remove the fan? It doesn't look like the fan comes out the front. For rearward removal, I can get as far as removing the heat sink and its shroud. but am stuck there. help!3
Rearward removal, there are a couple of latches you have to push so you can slide it backward (towards the processor end) and lift it up, one of the latch is next to Hard Disk compartment and the other one is on the other side. dont forget to clean the thermal paste on the processor and heatsink and reapply new thermal paste when you put everyhing back.
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Make sure u can open the casing well to expose the interior parts without causing any damage. Then by close look at the processor area , that is where the heat sink is located. Normally the dell dimension 2400 has a green channel shaped structure that acts as a passage for the air that enters in and out for cooling the heat sink. It has a locking parts that slides into the casing back by slight pressing to the back of the casing just behind the processor area, be so observant to notice the locking parts. then the fan is just fixed behind that green " channel like" and its fixed on the rear side of the casing,
Remove all the memories and insert them again, make sure you insert them in the proper way as the slot is keyed.
Memory issues can be identified by the beep sounds.
If you have more than one memory, remove one and insert only one of them and try to boot.
Hope this will help.
I'll have to guess exactly what gets noisy. I'm afraid the crystal ball is in for a service :-)
If you put your ear close (NOT THAT CLOSE) to the rear where the cooling fan sits is the noise much louder? If so, it could be a fan about to dry out and fail. Many of them are cheaply built and don't use a ball type bearing. I don't normally recommend this trick but what I do is inserta plastic probe or the end of a plastic spoon just inside the grill just enough to stop the fan from spinning when you switch it on. Switch on the computer with the fan stopped and if the noise isn't there you have a fan requiring replacement. Don't leave it on for anymore than a few seconds. It's a cheap and nasty way of doing things but us techs tend to prefer this approach.
If the noise sounds internal it could be a hard drive with bad bushes if it is back up all your data and replace the drive before you lose all your info. Or possibly the fan which cools the CPU is heading to meltdown. If it is the cause of the noise, replace it immediately.
Another trick I'll let out of the techs bag is to get hold of a short (18inches) piece of rubber tubing. Hold one end near your ear and the other near where you think the noise is coming from. once you find the right spot you'll know it's the right one, believe me. Just don't jam it into fan blades even the small cpu fans can cut your finger open. Also check for larger cooling fans dotted around the case.
I'm a betting man and I'll lay odds it's the power supply cooling fan at the rear of the computer near the power inlet.
Dell uses a proprietary fan on it's cpu's. This is more than likely your problem. The motherboard does not recognize the new fan and the motherboard is not powering it on. Without replacing the motherboard you are stuck using dell replacement parts for this model. The motherboard & psu are also proprietary in this model so it would take a whole lot of modification to use anything but Dell replacement parts. Your pc is shutting down due to overheating. Sorry. Hope this helps.
change the settings in BIOS, while the computer restarts, quickly press F2 or the DEL key on your keyborad (it depends on the computer which button is to enter BIOS), there you can change the fan speed to work at which speed, but beware with the settings, you might spoil things up, find for Advanced settings tab and you may find it there..
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there are fuses inside psu`s some are solderd and some pop out it i would suggest that u throw the psu away and buy new chances are that it will only cause continues and may even result in complete mobo failure problems heres a link to a cheap psu http://www.microdirect.co.uk/(3649)400W-P4AMD-quiet-PSU-with-PFC-20-pin-24-pin.aspx or a more upmarket more powerfull http://www.microdirect.co.uk/(11879)ThermalTake-TR2-500W-Black-Silent-ATX-12V.aspx the choice is yours.