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Hello, I have an E-machine D4362 that has started intermittently shutting down. I did some troubleshooting & found the CPU and case fan not running while the machine is up & running, the CPU heat sink was extremely burn you hot. So, I shut down the computer before it burns up the CPU. I then changed the power supply, this did not fix. I checked the fans on a 12V power source & they work fine. The motherboard is not allowing the fans to run, any suggestions?

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POWER CONNECTOR ON MOTHERBOARD HAS GONE BAD. CHEAPER TO REPLACE BUT CHECK MANUFACTER TO SEE IF UNDER A WARRENTY.SOME WILL GIVE CREDIT ON A NEW BOARD.

Posted on Nov 30, 2008

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Medion MED MT503 won't start or go through p.o.s.t.


When you say "fan" do you mean case fan or CPU fan? Almost sounds like the CPU fan is inoperative and the system is shutting down on CPU overtemp, then trying to restart.

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Our HP Pavilion a720n shuts down randomly. I have defragged and run disk cleanup to see if this would help, but to no avail. It is was purchased on 10/22/2004. Would a new motherboard help? or is a...


Problems like these - intermittents - can be difficult to track down. I have found that many times, it is a heat related issue. You can check this fairly easily.

Disconnect all the cables from the PC. Label any that you may have trouble figuring out where to reconnect again later, when we're done. Remove the PC to a table and lay on its side, so that the left side faces up. Remove left side panel (its now facing up). Using the crevice tool attachment, carefully vacuum the inside on the case. Pay particular attention to the CPU and immediate area around it. Try to remove as much dust and dirt as possible. Try not to disturb the cabling inside the case very much while vacuuming all around the insides.

Look for the power supply unit. It has a large group of wires coming out going to different parts of the PC. This is a box in the rear corner of the PC. Vacuum the slots from inside the case and then from the outside of the case near the built in fan, too.

Next, inspect the CPU fan. Look for dust build up behind the fan on the cooling fins. If you wish, you can unscrew the fan from the cooling fins with a small phillips screw driver. and gently lift it away - don't drop the screws into the case! You should be able to vacuum the dust off the cooling fins easily now. When clean, reinstall the CPU fan. When satisfied with the cleaning job, reassemble and reconnect the computer to the cables and try it out.

Hopefully, your phantom shut downs will cease and it will run reliably. A couple last thoughts.. try to keep the PC on top of your desk, instead of on the floor where there is significantly more dirt and dust to get sucked into the computer and never blow dust out with compressed air inside the computer as this only forces the dirt and dust deeper into the components.

I hope this was very helpful - good luck!

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When I start up my HP Pavilion computer it said CPU fan failure-shut down. Would the problem be the fan on the motherboard or the fan on the case?


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Computer is a Lenovo TC M52 P4 / 3.2 - I have added a sound card, a PCI express Geforce graphics card and a NIC card. The problem seems to be overheating as it only shuts down like this during the summer...


The case fan should start running as soon as you turn on the computer. I would replace the fan with a higher capacity (CFM). If you have a case that can take 2 case fans, I would install the send fan. Also with the case off, check that the CPU cooler fan is functioning. With the quick shut off, I would suspect that the CPU cooler fan is not functioning. I could be impeded by dust. Vacuum and blow out any dust on the motherboard, fans and battery fan while you have the case off.
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Please rate this solutution. Thanks.

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E-Machines D4362 PC Desktop cpu fan noise too nisy! how to change the bios setting?


Hello there:
ok first lets start with the fan if it is noisy i would first open the case and remove the fan and see if it is really dirty and if it is clean it out really good then reinstall it and try it again butif it continues to make this noise i would suggest getting a new one they only cost about 15 dollars. ok
now for the bios issue when you first start your e-machine you should see a couple of things at the bottom of the screen and one of them is the setup which is the bios setup and change area so simply hit the appropriate key and you will go into bios then using the tab key this will tab between different bios sections once you have made your changes press the f-10 key to save and reboot he machine *****NOTE**** Do not make any changes to the bios if you are not 100 % sure of what you are doing changing the settings in bios can cause the machine to stop responding or not working at all ok?
I hope this is very helpful for you Please keep me posted if you need any further assistance
Best regards Michael

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1 Answer

Won't Start


This happened to my to my HP Media center Edition PC. I'd have to unplug the power from the outlet, let it stop flashing and the power up again. It would run for a short time and then shut off with the annoying amber / blue flashing light.

I found it was a heat problem on mine - specifically, the CPU cooler. After shutting down and opening the PC, check to see 1) if the CPU fan is running smoothly and 2) if there is a lot of dust and dirt on the CPU cooling fan and heat sink (and rest of the case for that matter).

Gently clean / vacuum the insides of the case AND power supply as best you can. Carefully vac the fan blades and heat sink to clear the dirt and dust that prevents the heat from being blown away by the fans.

When complete, you might even want to take the PC outside and reverse the vacuum so that air can be blown into tight places in the case. A can og compressed air can do the job instead, too.

Reassemble and start up as normal. Good luck!

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If it is working try another power outlet in your house. Sounds odd but is a known issue.
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