Question about HP Pavilion a1620n (882780664494) PC Desktop

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Should the fan be on all the time on my pc? - HP Pavilion a1620n (882780664494) PC Desktop

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Yes.Both the Power supply fan and rthe CPU fan.  Almost always, unless it is turned off. Newer one turn off the van in standby.

Posted on Feb 20, 2009

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Should rear fan run all of the time or only when needed?


Depending on if the fan is plugged into only a molex (power) connector, or into a fan port on your motherboard, it could go either way. If it's plugged into the motherboard, there's a good chance the motherboard is controlling it thermostatically. A case fan venting out is always a great way to help improve airflow and keep components cool.

Hope this helps!

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The fan keeps running at high speed even when idle


that is an overheating issue and most likely comes from a clogged fan opening, a bad fan, or a bad connection between cpu and heatsink

check those three items, and maybe it will correct it self

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I have a 4 year old TouchSmart IQ770 Desktop pc. It will Shut down after a minute or two, even if the fan is working and the system is cooled down with extra fan from the outside as well. The system will...


my first idea is thermal paste between processor and cooler. Try to replace it.I got some pc which shutdown after similar time, and the reason wast old paste.

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Constantly freezing up and unstable


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The fan keeps on running at odd times,,,,


Hi,
You don't have to worry about that. Fan only runs when your CPU is heating up. If you are running a lot of programs at the same time it can heat the processor and can turn the fan on. Fan also runs a lot if computer performance is slow. If you can keep your CPU in a cooler place then it will run less.
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Aug 26, 2010 | Compaq Presario SR1103WM-B (PC183B#ABA) PC...

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Not sure it's the motherboard, but it shuts itself down. Bios reports that the CHS fan is not running. Don't know which one that is? Have cleaned the pc out good and reseated the processor with fresh...


The CHS fan is the chasis fan, this fan should be seated on the case somwhere, the best way to check this is to take the side panel of the pc and power it up to see if any fans are not working, if you find a fan that is not working turn back off and check the connector of the fan is connected properly to the motherboard connector and try again, if still the same you may have to invest in a new fan. They are relitively cheep to buy from your local pc store.

When installing the new fan ensure you place back into the case blowing out, not in, this way you will ensure the heat is being dispersed away from any heated componants.

Being as you have reseated the heat sink and cpu(processor)fan and changed the heat sink compond, as long as you fully covered the metal of the processor then that shouldnt be the problem of the shuting down. Because the bios knows it has a chasis fan it may shut down to protect the motherboard and componants.
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The Internal Fan On the cpu is always on correct? If so the external fans come on when the tower case has a temp higher than 85F. This is perfectly normal

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1 Answer

The fan in my tower sometimes runs loudly and for a long time


May need to be cleaned if that doesnt work


Replace the fan it sounds like its getting old

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3 Answers

Hp pavillion a818n


I HAD THIS PROBLEM WITH MY PC AS WELL..... I HAVE THE SAME ONE. WHEN YOU USE HIGH CPU APPLICATIONS, YOUR FAN ACCUMULATES LOTS OF DUST IN IT, WHEN THE FAN GETS BLOCKED UP, YOUR PROCESSER DOESNT COOL DOWN, TRY TAKING THE FAN OUT AND THE METAL PART, AND CLEANING IT OUT, BUT DONT TAKE OFF THE WHITE PASTE... JUST TAKE OFF THE DUST FROM THE FAN, THAT SHOULD COOL DOWN YOUR PC AND IT SHOULD STOP RUNNING AT HIGH RPM'S.. FYI... THE FAN IS ALWAYS RUNNING

Jul 03, 2007 | HP Pavillion a818n Desktop PC (Refurb)...

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