8790 Scretching Noise - Page 2

Its normal, its just high frequency switching, ALL high freq computers do this, some are more noticable than others, however the louder ones seem to actually be faster atleast on the o-so-pointless-if-not-done-improperly benchmarks. If you can not hear a noise, it does not mean its not there, you may just be def to that freq. Mine is loud as hell, yet my wife can not hear it one bit. I have a friend who has a desktop and he says his does it, yet I can not hear it. Take it for what its worth, but I would not worry about it.

OK, Calm, 1... 2... 3... 4... 5... etc.... until you get to 100.

I would immediately contact Tech support.

In the mean time, there is a whole lot of things in that location. CD/DVD, LAN, Modem, etc.. to name a few and of which could be going "bonkers". An exact location of where this "noise" seems to be the loudest would help out a bit. The "clicking" noises that others have indicated were from the HDD and that would be a bit more "up front" than where you described.

A few things that you might try to do - might be fruitless; however, you never know. Do these one at a time and see if it effects the "noise".

1). In BIOS disable the 7-in-1 reader.
2). Actually try to use the "wired LAN"
3). Actually use the Modem.
4). Remove the CD/DVD unit (Don't know how and can't try it our as I returned the unit I had).

All that being said, I DO NOT BELIEVE that this is a "NORMAL SITUATION".

This is normal.... I started a thread about this a while back ago when we noticed that my friend's 8790 was doing this. It sounds like a buzzing electricity noise that makes different high pitch sounds. It's perfectly normal, all of them do it. Even the 4780 makes the noise. My Compaq made the same noise, although it only did it when it was on battery. It has something to do with the frequency that the CPU is running on. High speed switching devices make this noise also so it almost certainly is coming from the the circuits/capacitors surrounding CPU (and even possibly the GPU). If you put your ear on your power supply, you'll hear the same noise being generated as a result of the interference of being plugged into the computer. If you leave the power supply plugged in but disconnect it from the laptop, the noise in the power supply goes away so it's defeinitely not noise being generated from the power supply which gets littered into the MB circuits. Long story short, don't worry about it because they all do that. People that claim that theirs doesn't make the noise either cannot hear eat because they're ears aren't responsive to high freq noises or have a different speed CPU which produces a lower (or higher) frequency noise which would make it more unnoticeable. Hope that helps

I have the same beeping as jandigi mentioned. Sounds like a heart beat monitor with a buzzz on the background. It's not related to the speakers. I can hear it only if I lay my ear close to the keyboard, so I will leave it.

Modena, your thread: http://notebookforums.com/showthread.php?t=19316
never did resolve the issue and leaned heavily on a problem with sound interference within the headphones from what I remember. Actually that may be a mis-statement, because you never answered those questions.

You indicated that you had several other Clevos computer that exhibited the same behavior. I had an 8790 and it did not do this and also have a 3363V and it also does not exhibit this behavior. Which Clevos machine did you have that exhibited this behavior?

A mild "Bzzz" type of sound can occur with a lot of electrical devices. LOUD "BZZZZZZZZ" should be a warning sound (like I wonder what is frying in there?)

Corrupted: I agree - Send it back and "Start Over".

The 8790, 4780 and the 4080 all make the same noise... It comes from underneath the keyboard in the center area. Granted I only had a few minutes with each of them, it was the same "buzzing" noise. The thread you are referring to went nowhere so I gave up. They starting talking about interference with the headphone jack which had nothing to do with the problem I originally stated. There is interference from the IR port (sounds like beeping) but that's not the noise that I was hearing. Between the fans and the hard drive spinning, the buzzing noise is not very obvious. If the laptop is making a VERY VERY loud buzzing noise than that is an obvious problem and my apologies for making it seem like I was downlplaying it. I was merely dropping my .02 telling the person (forgot the name) that I've heard the sound on many laptops and it appears to be a sound common amongst laptops in general...

I can only vouch for one 8790 and that's mine. And I can absolutely guarantee that it does not make that noise. If it did, my screeching would be a LOT louder than anything of that sort ever would think of being.

I stick by my guns that this is *not* normal. Perhaps a few people have encountered it and adapted to it, but that is not my personal philosophy on the matter. Something's wrong and needs to be fixed. If this is so common and normal, why do absolutely none of the many, many, many display laptops I've seen in the US, Canada and Japan have this "normal" noise? I've never heard it before and I've been exposed to more than a few laptops/notebooks in my time. I can't ever imagine suggesting to anyone that this is "normal."

Corrupted, hopefully you give the 8790 another chance. Consider how many 8790s you've seen posted about here and then think about how many reviews included this "normal" noise. 2? Yours and Modena's? That's not a lot. You got the bum end o' a deal. The next one hopefully shouldn't be so temperamental.

It is normal, no matter how much anyone wants to say it is not.
Just because you did not hear it from day 1 does not mean it was not there. Everything has a break-in period, yes, even electrical components. As components go through heat cycles the first couple times (couple could mean 100) they change, that change could vary what type of EMF they release, which equates to releasing a different frequency.

Go out and find some high voltage power lines, stand under them, do you hear that noise? Are you now telling me that the power lines are defective and need to be sent back? hehehe...

And to everyone here that says that theirs DOES NOT make this noise because they do not hear it is 100% incorrect. I will stand behind this to my grave.

I can not see, therefore I do not belive. The famous words of a blind man with perfect eye sight.

Read up on it if you do not believe, or if you need more proof that what some dumb electro mechanical engineer is sitting here typing. Google is a wonderfull tool, and if you search for things like computer emits high frequency noise, etc... You will be amazed how many people post the same thing that you did, only to find out that it is indeed normal.

Have a battery operated AM radio? Turn it on, tune to white noise, and walk around your house with it, hold it up to just about everything electrical and see what you hear.. Or you could even go as far to buy a GAUSSMETER if you really want.

Just for sh|ts and grins, open a big .pdf file, and drag it up and down, hear how the noise you hear changes? or those that swear they dont hear a noise, hear it now? Or do it with a larger photo than your screen size, and just move it around.

I dont know what else to say, just search the net, if your not lazy and actually care to learn about EMF's, RF's, ELF's, Mosfets, Transistors, etc... You will learn exactly what you are hearing, or why you are not hearing it.

O'well, just my thoughts.

Exactly, and I have seen hundreds of display models also, and 90% of the ones I walk up to are making the noise. Like I stated, just because "you" can not hear it, does not mean its not there. Human hearing is normal up to 20khz. I highly doubt that anyone would argue that not all peoples hearing goes completely out at 20,000hz, some maybe 21k, some maybe 25k. Just as with eyesite, some people have eagle eyes and some do not. If anyone has never hear a computer of some sort make the noise, then I would have to lean toward the fact that they are deff to upper spectrum sound.

So yes, I can fully say that this is normal and be correct, its a simple fact, not just something I made up. That would be like a blind man saying there is no sky.

Just make sure you dont use your mobile phone while standing under them
Some dude got fried over here o_O

WOW! Those lines must have had some serious EMFR then!

I agree with you Buster.... I have since talked to 3 other people I work with that have various laptops and they ALL say they have heard the sounds that I described from time to time. And not all the time either... the sounds come and go. Too many people are having the same sounds.... I think it is completely normal, it does not affect the laptops in the least according to most people. If it is not broken or affecting the laptop performance, don't worry about it. If it does cause a failure in the future, that is what warranties are for. It is not as if the noise is that loud... sounds like static or electrical interferrence to me on the laptops I have heard it happen to here at work (and it is not coming from the speakers). And if I hear it on my 8790 when I get it, I will let everyone know.


Regards,
Sean

Welcome to Thailand! In Bangkok there are electricity wires everywhere. You gotta watch out for them loose hanging ones out on the street :]

Ok, getting off-topic ;]

I do not hear my laptop make any funky noises. I got a 5620. Prolly happy I am deaf to that particular sound :] It only makes click sounds when using my PCMCIA hdd and fans are on 24/7 :/

Some people are bothered by noises that do not bother others. No argument there. Some people are able to perceive sounds that others can not. No arguing that either. Computers make noise. I don't think anyone would refute that statement. Is a sound is too loud? That can only be decided by each of us based on our own preferences so there is no point in debating this issue. The real question is does (or now was) this computer making more noise than normal. Now having just had my annual physical which included a hearing test I can tell you that my hearing is pretty much average for a man of my age. In other words, in decline with a notable loss in the higher frequencies. I cant detect any such sound as he described from mine. Is it making sound? Yep. I can hear the fans, power supply, drives. Not the sound he described. Being an engineer I have some test equipment laying around and gave my lappy some sweeps. Since I cant isolate component sounds the only thing I could prove with this is that my lappy does not make any individual noise that exceeds the noise of the fans. It does not make any consistent sound that I was able to measure before the fans started during boot. I was able to pick up intermittent sound from the drives, etc but nothing steady that could be described as a hum. Heard or not. I can pick up the hum from the power supply as a point of comparison. This makes me tend to think that my unit, if it is making this sound, is not doing so at the same level as his. Just as an aside its often said the people can perceive sounds from roughly 20 to 20,000 hertz. This is based on the sound threshold of healthy children. Environmental factors, illness, and age reduce this and normally even young adults will already be showing some hearing loss. It only goes down from there.

I just got done putting the new 80gb drive in, replacing the one that crashed... I can say it no longer makes a strange noise.

I have a feeling my Toshiba drive (one from Sager) was causing the problem and probably going to crash. My main 60gb 7200 IBM/Hitachi never made those sounds in my old ZX5000 from HP. I could "hear" the data being written/transfered on the drive sounded like something coming over a high pitched frequency.

Anyway, I'll let you guys know if my new 8790 does it when it comes.

What range does your "test equipment" read? Its not a db meter is it? If it is, it is not capable of reading EMF noise.