Noise means a unwanted level of random interference added to a signal.

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1answer
51 views

viewing wifi power spectrum

On almost any Windows laptop, I can use the netsh command to see deliberate wifi channels in the 2.4-2.5 GHz wifi band. But, is there a way (without needing further hardware; preferably a free ...
49
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4answers
5k views

Why do some AC adapters and power supplies generate a whining noise, and what can I do about it?

I have many different AC adapters and power supplies for a variety of devices, ranging from small 5V/1A USB chargers to laptop power adapters and desktop PSUs. However, I often hear a whining noise ...
0
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0answers
171 views

Clicking noise in audio when using “multi-output device” via HDMI for video playback in OS X

I'm trying to watch a movie with my wife, and we are both using headphones — she is using Bluetooth, and mine are plugged into standard 3.5mm headphone jack. I've created "multi-output device" in ...
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0answers
17 views

Does a power-supply for a computer typically have temperature modulated fan control?

In other words: if I cool it using a large slow quiet fan, will it shut up, or do I need to build my own temperature control circuit?
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0answers
57 views

Hard disk makes noise under Windows

I have a hard disk that periodically makes strange sounds. The thing is that this happens only when I am under Windows Server 2008. When I use Debian Linux the disk works silently. So, it can be ...
1
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1answer
108 views

DSL line quality: SNR and impact on upload vs. download ratio

I work mostly from home and last Sunday for some reason my DSL line rate dropped from around 8Mb/s to a 0.5Mb/s. I don't know much about the physics of DSL lines when it comes to line quality, so I'm ...
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2answers
171 views

HDD constantly making a power-up noise

I have two hard drives installed on my system - WD Caviar Black 500GB (primary one) and a Samsung Spinpoint F4 320GB (used for storage). The first one has been in use for a year and the second one for ...
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0answers
26 views

Speaker Buzzing But No Phone Nearby

Speakers buzz when a phone calling or receiving a call is nearby. My phone isn't nearby the speakers nor in a call, and I even tried turning it off. My speakers are still buzzing with that same noize. ...
0
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1answer
224 views

Why is my new laptop's fan making noises?

I have a 1 month old Lenovo Ideapad y410p and the fan makes a weird clicking noise. It happens sometimes when I tilt my laptop but not always, sometimes when I turn on my laptop, and usually when I'm ...
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2answers
365 views

Loud Noisy (CPU Watercooler?) Fans

I have an issue with my computer lately, I built my computer 3 months ago and I assume my CPU watercooler fan is getting louder. I have a Corsair H100i Watercooler, Intel Core i5-3570k CPU, ASRock Z77 ...
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2answers
95 views

PSU Noise when turned off

When my PC is turned off and I bring my head very close to the PSU, I hear a high frequency noise. Is that normal? I can't hear when I am like 2 metres away from it. And it's only there when turned ...
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2answers
140 views

Motor-like whine from CPU area

I have an odd sound coming from the area of my CPU. If i was to describe the sound I would say it sounds something between like a air filtration system for a fish tank when it has no water to pump ...
1
vote
1answer
730 views

Computer making ticking sounds, windows 8.1 crashing, continuous buzzer sounds

I have a problem that I can't get rid off. This morning I've turned on computer, didn't pay attention if the splash screen of motherboard is on the screen. Computer started to have a black screen and ...
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3answers
107 views

Is it a good plan to use a desktop tower as a server than purchase an actual tower server?

I have a Dell PowerEdge SC430 which is now 8 years old. I want to replace this server with a new one, but it was suggested to me so get a Desktop tower with the same specs because it's going to be ...
0
votes
1answer
2k views

MacBook Pro intermittently emitting strange noise

Starting a few days ago my MacBook Pro (late 2008, aluminium) has started occasionally emitting a strange noise. It happens maybe a couple times a day and lasts for maybe a couple minutes at a time. ...
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0answers
24 views

Is there a correlation between fan type or layout and video card loudness?

My video card is dying, so I went out and bought a new one without doing much research. I am one of those "instant gratification" people... However, the new card is so loud, that I am going to ...
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0answers
13 views

Frequent unexplained bleeping noises on Win 7 [duplicate]

For some time, I've been getting random bleeping noises on my Windows 7 machine - the same noise as when the User Access Control prompt comes up (where it asks you for permission to do something). It ...
0
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2answers
653 views

reduce background noise and optimize the speech from an audio clip using ffmpeg

I extract audio clips from a video file for speech recognition. These videos come from mobile/other handmade devices and hence contain a lot of noise. I want to reduce background noise of the audio so ...
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1answer
130 views

ffmpeg does not recognize any audio filters

I am trying to reduce noise from the audio files I extracted from videos. The objective is to recognize speech, so I was trying to filter out the frequencies above 300 and below 3000hz. I tried to use ...
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2answers
109 views

Power suppply sounds like a hard drive being defragmented

Came back from a holiday and noticed that my computer makes a new sound: the sound of a (quiet) hard drive being defragmented, i.e. reading/writing lots of data. Was worried it was one of my hard ...
0
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1answer
69 views

Videocard makes strange noise

Few days ago I bought Gigabyte's Nvidia 770GTX videocard. I noticed that it makes some cracky noise. It's not actually loud but I could hear it sitting at least from 40cm from my PC. I made stress ...
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0answers
36 views

Mac mini 2012 audio “pulse” head phone jack

Whenever the sound is on and headphones (or external speakers) are plugged into the headphone jack, a loud static-like pulsing comes through the right phone/speaker. Any clue as to what is going on?
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3answers
832 views

Computer shut down while playing a game

Fourth edit: I removed my graphic card. I installed Intel HD Graphics 4000 driver and then I did a test (graphics test). There is a similar sound like the one of my graphic card: ...
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3answers
321 views

Good way to isolate hard drive sound

What is the best method to isolate hard drive sound (almost) completely? I’m thinking about creating a hard drive case with isolation material. What material is the best for isolating a hard ...
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2answers
4k views

Buzzing noise coming from inside my computer while playing games

I just finished building my PC like a week ago. I just noticed there is a faint buzzing noise while playing a game (the noise also comes out from my speakers). I tried to pinpoint the noise and turns ...
1
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1answer
140 views

What is this HDD noise so low it's only detectable at night?

My HDD that seems not be writing anything is giving a low, continous, repetitive, systematic noise pattern. It's so low I can only hear it at night. It goes away after some time. Comes several times a ...
2
votes
1answer
167 views

Rendering a frame is producing noise from speakers in Windows and Linux

When any hardware accelerated application is rendering a frame (or many of them) a very short noise is coming from my speakers. This can be a game, a WebGL application or XBMC. When the ...
0
votes
1answer
553 views

very noisy fan on my hp pavilion dm4 beats edition

As the title shows, the fan is very noisy. I don't remember since when but it's always running at its high speed and it's disturbing when i am in class. I tried to clean the fan, upgrade BIOS, ...
2
votes
3answers
956 views

CPU noise when under load

So, this question has been bugging me a lot, I used to have a few lovely little toys (well, not so much toys as a pentium pro and a really old Intel 80386DX microprocessor) What I noticed is that when ...
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0answers
314 views

Faint beeping sound from laptop

I am using a Lenovo ThinkPad W530 and occasionally, when I start up the laptop I hear a faint beep noise coming from inside the laptop itself. What is the source of this noise? How can I stop it? I've ...
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2answers
692 views

What should I look for to have a silent external harddrive

I want a HD as a home media-server, it will always be on. Most of the time it will not be used, and it should be very silent and not to warm when not used. Should be Regularly priced powered 2-3T ...
2
votes
1answer
938 views

PC HDD is making loud noise when shutting down

Every time my HDD turns off - whether because I shut down my PC or Windows turns the HDD itself due to Power Plan settings - it makes a clicking noise, similar to the sound of fan lightly hitting a ...
0
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1answer
886 views

Why is computer making noise while gaming after installing new RAM?

I looked for an answer for my query on this site but couldn't find any. So here's my problem; I'm running a core 2 duo @ 2.6ghz with an ATI 6450-1GB DDR3 on windows 7 32bit. I had 2 GB of memory and ...
2
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0answers
86 views

Headset Buzzing when laptop power plugged in

I have a Thinkpad Edge E535 Laptop and a Logitech G35 headet. When I use the microphone to record stuff there is a small humming/buzzing sound in the background when the laptop is plugged in to AC. ...
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3answers
2k views

My computer is making a buzzing noise

I have this really annoying high pitched noise that comes from my computer no matter what. It does it while POSTing, while booting, while playing games, even while writing this question! It goes ...
1
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0answers
419 views

need to clean up audio noise using sox

What I am doing right now is recording audio from my mic using arecord and piping the raw output to VLC like so: arecord -r 8000 - | vlc -vvv - It works great, except the audio that is coming out ...
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votes
2answers
2k views

Rattling laptop fan after applying compressed air

I recently used a can of compressed air to clear my laptop's air vents from dust and other dirt that accumulated over time. While doing so, I did not hold the CPU fan in place in order to stop it from ...
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2answers
147 views

600W vs 1200W PSU in terms of noise? [closed]

I've been wondering, if my system draws about 400W at peak, which PSU would be quieter? assuming both are from the same manufacturer using the same type of fan and cooling mechanism? My theory was the ...
0
votes
1answer
679 views

What are likely causes of this wifi signal noise that could be causing dropped connections?

Seeing a reverse sawtooth-shaped noise spike in OS X Wi-fi Diagnostics that is associated with wireless connection drops. My wireless router is old, so it might just be dying. It seems to be somewhat ...
-1
votes
1answer
89 views

Extremely high pitched noise just came and went from my PC in the space of about 2-3 minutes

With my hearing I'm not totally sure but seemed to be coming from PSU/CPU area. Anyone know what would normally cause this temporary squealing? Gradually built up pitch and noise for about a minute ...
0
votes
1answer
1k views

Dell XPS 15 fan on, fan off, fan on, fan off because of NVIDIA Drivers

Many threads with exactly the same problem: http://en.community.dell.com/support-forums/laptop/f/3518/p/19371524/19848260.aspx ...
-1
votes
1answer
448 views

In a laptop with both an SSD and a HDD, is it still worth it to pay for 7200 rpm rather than 5400 rpm? [closed]

I am getting a laptop (Gigabyte u2442f) with two drives: a 250 GB SSD I'll use for the filesystem root, and a 750 GB HDD I'll use for home/. For the HDD, I have a choice between 5400 RPM and 7200 ...
4
votes
7answers
3k views

Can I remove fans from my system?

I can't tolerate any noise in my room at all. I want to remove all 4 fans I have in my system: Processor Fan, Cabinet Fan, SMPS Fan, Graphics Card Fan Can removing all these fans produce any fire ...
0
votes
2answers
350 views

Why does my Gateway Laptop squeal when turned on?

My gateway NV78 laptop starts squealing as soon as it is turned on, not thru the speakers, and continues until Windows is booted up where upon it quits. It runs quiet until it is shutoff and rebooted ...
0
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0answers
102 views

PC hanging and resuming after tick sound

I'm running a PC with Windows 7 64-bit with the following specs: Intel Core i5 2500K @ 3.30GHz (35 degrees celcius) 8,00 GB Single-Channel DDR3 @ 668MHz (9-9-9-24) Gigabyte Technology Co., Ltd. ...
2
votes
0answers
208 views

CPU (?) Clicking Sound During Resource-Intensive Tasks

I just bought a new computer (Lenovo Yoga 13, with integrated graphics and SSD). Whenever I bring it out of sleep, or do something resource-intensive (such as heavy Photoshop work), I hear a scratchy ...
0
votes
1answer
3k views

LCD monitor flicker when connected to a laptop using VGA

I have a dual screen setup with two AOC e2450Sw monitors connected to a laptop. The laptop has one HDMI and one VGA output. When one of the monitors is connected using VGA, it flickers or displays ...
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2answers
945 views

Computer emits high pitched squeal

I'm making a new thread because I've gone through several diagnostic steps and still have not made any progress. The CPU is custom built by me, and several years old. At startup and shutdown the ...
0
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4answers
2k views

Brother HL-2170W makes squeaking noise while printing or starting up

My Brother HL-2170W printer makes a squeaking noise when it is printing or when the print engine is starting up, such as when waking up from sleep or after closing the front cover. As far as I can ...
1
vote
1answer
549 views

Does a hybrid SSD + HDD laptop have a lower noise level than a pure HDD?

I read that SSD has a lower noise level than HDD because there is no spinning mechanical reader. However, if I have a hybrid laptop with SSD and HDD, will I notice any difference in overall noise ...