A340n stopped responding. rebooted, fan extremely fast and ** reponse from computer. I opened it up just to look....Best Buy said it was the fan mounting. There was a contact **t being made between fan and motherboard(MB) therefore computer told fan to work harder to keep it cool.
How difficult is it to replace this mounting is there a step by step guide to help me or shpuld I pay smeone to do this for me?
Thanks, Steve Ward
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Normally when the CPU fan gets very loud it is because of an accumulation of dust. It cant revolve fast enough to cool your CPU so it will want to close down.
You need to open up the computer and blow the dust off the fan blades, preferably with an air spray can. Report back when you have done this!
Fan noises can be caused by wear or dirt. If they are worn the bearings might be gone or going and cause a squeel type of sound. That can only be fixed by replacing the fan. The fans are not expensive but the labout can be.
The usual problem is just caused by dust and dirt built up on the fan blades. The blades get out of balance and then rub or cause noises. If this is left long enough then it can cause bearing damage. If you catch it before then all it needs is a cleaning. You can do this by mechanically stopping the fan so it doesn;t spin and then blwoing compressed air to blow off the dust. The cpu fan and the powersupply fan both with clog up from dust and cause heat problems as well as the noise. Any of these fans are replaceable without buying major parts if needed. ie you don;t have to buy a new power supply, just open the power supply and put a new $5 fan in it. If the computer shop isn;t very good they will force you to buy the power supply instead of fixing the fan.
It's a bit hard to know what the cause is without being able to hear the fan but those are the two ways the fans have problems.
If your fan spins at all it is not a problem with the fan. It might be a heat sensor on your motherboard that was not reading correctly.
Now your fan will only run when it needs to so the best thing to do is replace your hard drive and go from there. You can get a hard drive from Best Buy and if that doesn't fix it then your can just return it and buy a new laptop. Or if you want to keep the hard drive just buy a USBenclosure and use it as a backup drive for your pictures, music, etc. Don't go buying a fan if the fan still spins. But a part that can be easily returned first.
Possible clock timing of CPU is wrong. Is it two fan on this laptop? Maybe one is not functioning. Plus check your power supply if gives correct power!.. If none of this , it comes to the MB and possible a CAPS making problem. Need expert.
That has to do with windows programs. Try doing a system back up if that doesn't work wipe the hard drive and put windows back on it. I have the same system and that has happened to Me. That is what I did. Now it works fine.
Overheating problem Remove case side and clean all fans remove fan from heat sink usually 4 screws or little clips Do NOT remove heatsink stuck on with heat paste clean vanes in heat sink replace fan use stiff brush and vacuum cleaner to clean outside of power supply vacuum out case include all vent holes reboot computer should work ok replace case side
This might happen when it detects a non-functioning fan (to preserve all other components).
We've had the same problem on one of our server, one fan wouldn't start (needed more current to start it)
We had to replace the motherboard on server to make it work, since this one got it power from the MB.
A temporarily fix was: Pop fan 4 out, give it a push so it rotated and quickly insert it before it stopped, hope it won't be stopping until you receive a new motherboard.
I suspect you could have a heat sink fan not working remove side of case and when you turn computer on check fans heat sink and video card are working With computer OFF remove heat sink fan and check that the heat sink is not clogged up with fluff and dirt. I regularly clean both fan and heat sink every 2 months also check the fan in power unit and blow it out
You should check and make sure the inside of your computer isn't dusty. Dust will wreak havok on fans and shorten their life. Plus it likes to build up between the fan and heatsink which will overheat your processor. Take the fan off and spin it with your fingers. I like to open the little sticker on the bottom and put some 3 in 1 oil to lubricate it. A smooth spinning fan is a happy computer. It also reduces noise that a dirty fan makes. Hope this helps you.