Advertisement

There's no such thing as a stupid question, but they're the easiest to answer.
Login
Search

Advertisement

Hardware Hardware
Search Search
Search for:
Tech Support Guy > > >

New Computer Started Making Funny Revving Noise


(!)

Harvey777's Avatar
Harvey777 Harvey777 is offline
Computer Specs
Junior Member with 7 posts.
THREAD STARTER
 
Join Date: Mar 2007
Experience: Idiot
15-Mar-2007, 02:46 AM #1
Question New Computer Started Making Funny Revving Noise
Hi, Everybody!

Please help! I'm not sure if I have a problem here or not. I just got me a new Compaq about 10 days ago- P4, 3Ghz, 1Ghz RAM, Vista Home Basic, Most of the bloatware/junk disabled or deleted).
The computer works fine...but yesterday, it started making funny noises that it hadn't made before. It sounds as though one of the fans is revving up...but only for one second at a time. Sometimes it will do this "revving" every few seconds...sometimes it will go for a while without doing it. Sometimes the revving is very loud...sometimes it's not too loud.
Tech support says it's normal- The fans just increasing RPM to cool things down when needed. But why didn't the computer do this since the beginning? And it doesn't matter if the computer is sitting idle with nothing running...or if it is being used. (I dont do anything hard core with it)
This noixe just doesn't sound right to me. It sounds like whenh a car engine isn't running right and keeps surging...and it doesn't go on long enough to really do any cooling anyway. Just for a second...

normal fan noise...
SURGE!!!!!(1 sec)
Normal noise(15 seconds)
SURGE!!!(1 sec)
Normal(15 sec)...etc.

Normal(20 minutes)
SURGE!!!(1 sec)
Normal(3 minutes)
SURGE!!!!!(3 seconds)

And the surging/revving noise is quite loud....I'm not talking about the fan doubling it's speed...I mean it sounds like it's quadrupling at least!

Other than that...everything seems fine.

I'd really like to know if this is indicative of something being wrong, so i can have it fixed under warranty (or exchanged)

My former computer was a 7 year old IBM, run all it's life with no Antivirus or anything...and it never made any noise like this (once the fan died and i had to replace it...but never had this quirky revving!)

Please help! How can I diagnose this?
Sherry22160's Avatar
Sherry22160 Sherry22160 is offline
Computer Specs
Senior Member with 421 posts.
 
Join Date: Jul 2006
Location: Australia
Experience: I know some things
15-Mar-2007, 04:57 AM #2
It sounds like the BIOS power management settings.

Can you get into your BIOS and find Power Management.
Set it to "Not" conserve Power.

See if this helps....
Rich-M's Avatar
Computer Specs
Member with 22,220 posts.
 
Join Date: May 2006
Location: Eastern Pa
Experience: Advanced
15-Mar-2007, 10:39 AM #3
Do you know which fan it is? It could just be a faulty (noisy) case fan. If it's the cpu, then I would install Speedfan to watch the temperatures to see if they coincide. Could also be the hsf is loosening up and might need to be tightened down if that is the fan making the noise.
http://www.almico.com/speedfan.php
__________________
The average dog is a nicer person than the average person. -Andy Rooney-
Home base:
www.kickenhardware.net/forum
Enbee's Avatar
Enbee Enbee is offline Enbee has a Profile Picture
Computer Specs
Senior Member with 135 posts.
 
Join Date: Nov 2004
Location: rochester, ny
Experience: Intermediate
15-Mar-2007, 12:37 PM #4
I know this is probably a silly question.... but are you sure that the noise is coming from a fan? When you open the case, can you tell that it's a fan?... and which one?
Harvey777's Avatar
Harvey777 Harvey777 is offline
Computer Specs
Junior Member with 7 posts.
THREAD STARTER
 
Join Date: Mar 2007
Experience: Idiot
15-Mar-2007, 02:45 PM #5
Quote:
Originally Posted by Enbee
I know this is probably a silly question.... but are you sure that the noise is coming from a fan? When you open the case, can you tell that it's a fan?... and which one?
Thanks everyone, for the answers so far.

No...actually, I haven't yet opened 'er up to track down the noise (It doesn't say "idiot" next to my experience level for nothing)...as it requires me to disconnect all my cables...but I guess that is unavoidable, so I will indeed do it soon. I do believe it is the case fan though...as the noise seems to be coming from the front.

Also noticed that the 'puter wakes from sleep for no apparent reason (it'd been doing this all along...but I thought it was floor vibrations disturbing the mouse...but it's not)
Enbee's Avatar
Enbee Enbee is offline Enbee has a Profile Picture
Computer Specs
Senior Member with 135 posts.
 
Join Date: Nov 2004
Location: rochester, ny
Experience: Intermediate
16-Mar-2007, 08:26 AM #6
first of all, as far as disconnecting your cables ... just make sure to label them so you know where to put them back when you're done. The kind of noise that you're describing, can also be the hard drive. That "revving up" might be the hard drive starting up. Maybe there are background programs running that shouldn't be. One thing that I've found, as I'm sure others have as well.... is that when you buy a new computer, the factory sets it so that everything is running in the background, which bogs down your computer, and can do what you described. They do that so that your programs will start up faster... but unfortunately, it often slows down your system. Anyway... if that is the case, then you might have to go into your system configuration to adjust what programs open when you start your computer. An FYI ... just because a program is running in the background, doesn't mean that you can see it. Most often, you will have no idea that it is running.. That is why it is in the "Background". If you need help with System Configuration, then give a yell.... I'm sure that someone here can walk you through it.
Harvey777's Avatar
Harvey777 Harvey777 is offline
Computer Specs
Junior Member with 7 posts.
THREAD STARTER
 
Join Date: Mar 2007
Experience: Idiot
16-Mar-2007, 11:03 AM #7
Thanks, Enbee (and everyone else who has responded)

Well...first thing I did when I got the new 'puter was to run msconfig and disable all the crapware, and manually turned off others (I'm no eggspurt....but I do try and run a lean, clean machine...I get mad when I see a bunch of icons down by the clock for stuff that I'd never even use)- and the funny thing is, the 'puter wasn't making the noise running as originally configured by the factory...nor after I de=bloated it. It just started doing it out of the blue, a week and a half later for no apparent reason (i.e. I hadn't changed anything or added any new software, etc.)- and weird thing is, so far today it isn't making the noise. If it was still doing it, I'd open it up and look.( -I know where the cables go...it's just that I have them arranged so nice....ya only see one wire when you look under the desk )

I guess I'm just going to have to wait till it starts doing it again, and look in there and see what exactly is making the noise, and report back.

Sure is nice of you people to do this. The tech support people over at Compaq sound like they're just looking stuff up in a book and reading off of a script...I don't think they know what they are doing- I think this is the last time I will buy from a major manufacturer (between that and all the bloatware...)

If I have to scour the internet for support, I may as well have bought a Rube goldberg or thrown together a bunch of parts myself. (After the rebate, I only ended up paying $370 for the 'puter, so it's hard to complain)

Thanks again, everyone...I'll report back as soon as I can see what is making the noise....
Enbee's Avatar
Enbee Enbee is offline Enbee has a Profile Picture
Computer Specs
Senior Member with 135 posts.
 
Join Date: Nov 2004
Location: rochester, ny
Experience: Intermediate
16-Mar-2007, 11:44 AM #8
btw harvey .... i can see you are no 'idiot' ...... and u know a little more than you originally let on. Hmmmm... an undercover computer nerd in disguise.

um... "Rube Goldberg"?? let me know where I can get one of those! lol
Harvey777's Avatar
Harvey777 Harvey777 is offline
Computer Specs
Junior Member with 7 posts.
THREAD STARTER
 
Join Date: Mar 2007
Experience: Idiot
16-Mar-2007, 08:27 PM #9
Quote:
Originally Posted by Enbee
Hmmmm... an undercover computer nerd in disguise.
Well with these thick glasses, people expect me to know alot more!

Strangers on the street ask me if i can come and fix their computer...
F150Guy's Avatar
F150Guy F150Guy is offline
Computer Specs
Junior Member with 7 posts.
 
Join Date: Nov 2006
Experience: Advanced
20-Oct-2007, 09:02 PM #10
Compaq Presario sr2170nx Processor Fan Reving
I also have this same PC and the same problem with the fan. I did a little troubleshooting and the fan that is reving is the processor fan. I opened up the case and sure enough the fan started reving up like a jet engine. It does this for no apparent reason as it will happen when the PC is in use or when it is idle.

This has been happening since I opened the box. I don't know if installing a different fan will fix the problem or not. That is my last resort. I checked the BIOS and there is not a way to change the Power Management settings but they are locked out and cannot be changed.

This machine is running Vista Home Basic. If anyone has any other ideas besides replacing the fan, I will definitely give them a shot!
Harvey777's Avatar
Harvey777 Harvey777 is offline
Computer Specs
Junior Member with 7 posts.
THREAD STARTER
 
Join Date: Mar 2007
Experience: Idiot
20-Oct-2007, 09:16 PM #11
F150Guy,

I'd say the problem is not the fan itself- but rather what controls the fan- as I have noticed that the problem only exists when the room temperature is over a certain temperature (somewhere around 70*- give or take). In the winter, the problem doesn't occur (I never put my thermostat higher than 60). Hopefully, I'll have the time before the warranty expires to pursue this futher with Compaq.

Have you noticed the same thing(i.e. only a warm-weather prfoblem)?

I am somewhat disappointed with this computer- as I notice very little difference in performance between this 3Gig MHZ/1Gig RAM machine and my old 500MHZ WIN98 machine.
MichaelDee's Avatar
MichaelDee MichaelDee is offline
Computer Specs
Member with 458 posts.
 
Join Date: Oct 2007
Location: Ontario, Canada
Experience: Advanced
20-Oct-2007, 09:19 PM #12
Quote:
Originally Posted by F150Guy
I also have this same PC and the same problem with the fan. I did a little troubleshooting and the fan that is reving is the processor fan. I opened up the case and sure enough the fan started reving up like a jet engine. It does this for no apparent reason as it will happen when the PC is in use or when it is idle.

If anyone has any other ideas besides replacing the fan, I will definitely give them a shot!
Its supposed to do that. When the cpu reaches a certain temperature the fan will speed up to cool it down quicker and then return to normal speed. You can disable this, set the temp a little higher, etc. Its nothing to worry about and changing fans won't help. You just have to know a few details about your pc, google powersaving or something and change the settings.
MichaelDee's Avatar
MichaelDee MichaelDee is offline
Computer Specs
Member with 458 posts.
 
Join Date: Oct 2007
Location: Ontario, Canada
Experience: Advanced
20-Oct-2007, 09:28 PM #13
Quote:
Originally Posted by Harvey777
F150Guy,

I notice very little difference in performance between this 3Gig MHZ/1Gig RAM machine and my old 500MHZ WIN98 machine.
Hopefully you would notice a difference. Vista can slow down many computers so many people are switching back to xp (but not as far back as 98). You can always try to optimize vista and get rid of a lot of the "glitz" that makes it look pretty. Much of this just requires that you shut off certain settings which really slow you down.
F150Guy's Avatar
F150Guy F150Guy is offline
Computer Specs
Junior Member with 7 posts.
 
Join Date: Nov 2006
Experience: Advanced
20-Oct-2007, 09:28 PM #14
Thanks for the suggestions. I have searched for the power settings to see if I could change them and as I mentioned, they are locked out for changing them in the BIOS and I cannot find anything online where there is a work-around for that. I have only had the PC in question since this summer so there has not been a cool period yet to test the theory. I did remove the side panel in hopes that it would keep the inside cooler but it doesn't seem to have helped. I imagine that this is common with some Compaqs because I found a review on Cnet that talked about the same problem with a Compaq laptop.
MichaelDee's Avatar
MichaelDee MichaelDee is offline
Computer Specs
Member with 458 posts.
 
Join Date: Oct 2007
Location: Ontario, Canada
Experience: Advanced
20-Oct-2007, 09:36 PM #15
Quote:
Originally Posted by Harvey777
F150Guy,

I have noticed that the problem only exists when the room temperature is over a certain temperature (somewhere around 70*- give or take). In the winter, the problem doesn't occur (I never put my thermostat higher than 60). Hopefully, I'll have the time before the warranty expires to pursue this futher with Compaq.

Have you noticed the same thing(i.e. only a warm-weather prfoblem)?
The warmer your room, the longer the fan will run. If you are in Texas, with no a/c and your house is about 90 degrees, then the fan will likely run at high speed constantly because the ambient room temperature is so high. If you put an a/c in that room, cooled it to 40 degrees, then the fan would hardly need to run. The fan is trying to keep the cpu below a certain temperature, but if the air temperature around the pc is too high, then the fan can't do its job.
As Seen On

BBC, Reader's Digest, PC Magazine, Today Show, Money Magazine
WELCOME TO TECH SUPPORT GUY!

Are you looking for the solution to your computer problem? Join our site today to ask your question. This site is completely free -- paid for by advertisers and donations.

If you're not already familiar with forums, watch our Welcome Guide to get started.


(clock)
THIS THREAD HAS EXPIRED.
Are you having the same problem? We have volunteers ready to answer your question, but first you'll have to join for free. Need help getting started? Check out our Welcome Guide.

Search Tech Support Guy

Find the solution to your
computer problem!




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools


WELCOME
You Are Using: Server ID
Trusted Website Back to the Top ↑