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When i switch the computer on the fan automatically switches itself on, the problem has only started this week . i have a phillips MT1100

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What fan????
How is it a problem, the fans are supposed to run every time the cpu is on........
Did the fan used to come on at all???

The fans are sometimes active in monitoring temperatures and will speed up when required, maye your Mainboard is dusty and gets too hot too quick, Blow the dust away with a compredded air can. DO NOT HOOVER as this causes static and can be fatal, to your cpu

Posted on May 02, 2008

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What fan is switching on is it the cpu fan or the internal fan that cools the tower

Posted on May 02, 2008

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1 Answer

Fan is too loud


Every computer comes built with a processor cooling fan system.
The fan's main function is to keep the processor from overheating.
After long periods of use, processor fans can start to malfunction.
If your eMachines computer's fan is excessively noisy, it will need some maintenance.
If you don't deal with a noisy fan promptly, your computer's processor could overheat and cause significant damage to your motherboard as a result.

WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.
http://www.kitchentablecomputers.com/static.php - rules
Only work inside the computer case when the power has been switched off and disconnected. Never open the power source.
Some of the below steps recommend removing physical parts within the computer.
While in the computer it is highly recommend that you be aware of ESD and its potential hazards.
Power down the computer.
Disconnect all cables and peripheral devices from the computer's back panel.
Rotate the computer so the back panel is facing you. Lay the computer on its left side.
Remove the Phillips thumb screws that fasten the right side access panel to the computer's frame.
Remove the side access panel from the computer to reveal the motherboard and all internal components.
Locate the cooling fan assembly near the center of the motherboard.
Remove all Phillips screws fastening the fan to the motherboard.
Disconnect the fan's power cable from the motherboard.
Then lift the fan out of the computer.
This will reveal the processor chip.
Place the fan on a flat work surface with the label sticker facing upward.
Use a thin, flat-head screwdriver to peel away the label sticker from the fan.
This will reveal the access hole to the fan motor's bearings.
Apply one to two drops of lightweight mechanical oil into the fan motor's bearings.
Replace the fan's label sticker.
Use a can of compressed air to spray the dust and debris from inside the fan blades.
Place the fan back into the motherboard on top of the processor chip.
Replace the retention screws and reconnect the fan's power cable to the motherboard.
Replace the side access panel and its two retention thumb screws.
Place the computer tower vertically, and then reconnect all cables and devices to the computer.


Nov 18, 2013 | eMachines EL PC Desktops

1 Answer

Fan on VGC-LA1


The PC has two faand is It depends upon which fan is faulty,
The CPU fan is easily replaced, but the fan in the switch mode power supply is a lot more difficult and I recommend you get a PC service shop to fix this fan or replace the switch mode power supply.

Oct 14, 2012 | Sony VAIO PC Desktops

2 Answers

This desktop computer has involuntary shutdowns when started? A repair man said it's due to overheating. I read about a power supply switch set on 220v. Can you tell me more about this switch?


It has nothing to do with that switch, YOU MUST USE THE APPROPRITE VOLTAGE, EITHER 115V or 220V. Using the wrong value would completely fry your computer Components. Well especially if the voltage coming in is greater than that represented on the switch. This switch, switches between two different circuits within the Computer Power supply or PSU. One for 115V and another for 220V.

Your PC is overheating, it is shutting down to protect itself from permanently damaging itself. Ensure that your computer components are free of dust. pay special attention to the CPU cooler and Graphics Card cooler. Use a paint brush and Vacuum cleaner. If you are unable to do it then hand it over to a pro, as you have to be aware of ESD, Electro Static Discharge.
Click here to download hardware monitor.
Click here to download GPU-Z.
CPU temps should not exceed 45 degrees centigrade.
GPU temps should not exceed 65 degrees centigrade.

Thanks, thumbs up.
damnor01

Nov 06, 2010 | HP Pavilion a6755y Refurbished Desktop PC...

1 Answer

I have an emachines 220 and it keeps switching itself off at first it did it occasionally and the more the machine was on the more frequently it started to do this. I suspected this may be due to...


Dear Smith, I would suggest you to get the SMPS to be replaced with a new one as the it seems problem here. Motherboard has got different symptoms if its aint working It happened to one of my machines at office and they brought in a new SMPS and thereafter it worked smoothly Hope this solution helps

Nov 09, 2009 | E-Machines eMachines Desktop PC

2 Answers

Dell OptiPlex GX620 starts up then shuts down repeatedly


Try this: remove the DMOS battery and unplug the on/off switch plug. It's the one in the corner near the power supply. To be sure follow the cable from the front on/off switch board on back to this plug. Then plug the A/C cord in, if the system boots up fine, then replace the front panel power on/off swith board. Naturally you will not be able to power off the computer using the power switch (since we unplugged it), so you will have to just pull the plug. Hope this helps. Joe

Apr 24, 2009 | Dell OptiPlex GX620 PC Desktop

1 Answer

I'm using a pentium4 processor with Inter motherboard. When I switch on my computer, it automatically get turned off.. what is causing this?


when ever you start your computer it gets switch off ,,there are many reason

1.check that *********** boat fan is working properly ,check the fan should not be blocked with rubber bands ,if the rubber band blocks it and the fan is not able to rotate then the computers switches off which even happened to me

2.maybe a problem is the power supply in the mother boat

3.check windows is insalled properly if now install a new windows from doss

Nov 21, 2008 | PC Desktops

2 Answers

Dell gx270 power switch


I don't think you need a new switch. The power "switch" on the front of computers today is a momentary action push button switch. Not a locking or clicking switch as older computers used to have.

Many of today's computers, including the gx270 / gx280 computers from Dell are really always on. You can see the green or yellow LEDs on the motherboards glow when they are "off" (like a sleep mode).

They are in a "sleep" mode until you push the power switch, which sends a momentary signal off to the motherboard to fully power up and turn itself "on".

I think you have something else happening here. When the system tries to power itself up, and detects a severe problem, it will try to automatically turn itself off.

The problem could be a bad motherboard, power supply, memory or processor. It could even be a failed hard disk that is drawing too much power (shorting out) from the supply.

If you had done something to the system, like move it or open it up for an upgrade, etc.. Look again at all the internal connections, and make sure there is nothing rattling around inside that might also be causing a short.

You could try removing all the PCI cards in the system, removing the power and data cable connections from all the disks (Floppy, Hard Disk, CD/DVD) and see if the bare motherboard (with CPU and memory) will boot by it self. If it does boot, then the problem was somewhere in those items and you can replace them one at a time until you find the problem, or if it all works again then it may have been a loose or bad connection.

If you have another machine available, you could try switching the power supplies and seeing if that is the problem.

Good luck!

-Chip

Nov 21, 2008 | Dell OptiPlex GX270 PC Desktop

2 Answers

I just put together a new computer using ASUS Motherboard P5Q-E. When I turn it on to boot it up for the first time the Onboard Switches P5Q-E Power on switch and the P5Q-E Reset switch blink. The power...


Re seat your RAM and any other cards that plug into the Mother Board such as PCI cards then try starting the computer again. If that doesn't fix it, then you can uninstall devices and try to boot until you find the culprit, as those beeps you hear sound like hardware error beeps that can be caused by faulty hardware (even keyboards or mice) that plug into your computer. Eliminating all removable hardware should help you determine whether it's an add on component or if the Mother Board itself is bad.
Good luck

Sep 18, 2008 | ASUS PC Desktops

3 Answers

Mesh Matrix 64 start up problem


First there is an on off switch on the back of your power supply. Switch that off. Take out the memory chips, then re-insert them. Turn power switch back on. With the case still open. Power it up. If it comes on. Look to see if the cpu fan is still running. If it is not turning replace the fan. If it runs you may have other problems, possibly a power supply, CPU overheating, and or switch problems. Now in other cases high end video adapters tend to overheat and causes system freeze ups and causes possible shut downs. I would still have it checked out professionally if the problem persists. Hope this helps

Sep 16, 2007 | PC Desktops

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