G5 sounds like a jet

we have a power mac g5 with the following specs:
machine name: power mac g5
machine model: powermac 7,3
CPU: powerpc g5 (3.0)
number of cpus: 2
cpu speed: 2.5 ghz
memory 2.5 gb
is there some things i can do to get the fans to run quieter?. if i had to put it on a scale where 5 sounds like my server room then right now its about 4.75. its pretty loud and annoying.

Looks good.
Try this...
How to reset the SMU/PMU on a Power Mac G5 (Late 2004) or Power Mac G5 (Late 2005) ...
http://support.apple.com/kb/HT1436
Earlier G3, G4, G5 models...
http://support.apple.com/kb/HT1939
Have you done a PRAM reset, CMDOption+pr...
http://docs.info.apple.com/article.html?artnum=2238

Similar Messages

POWERMAC sounds like a jet engine when trying to start up...!

Ive been using my G4 powermac as a 2nd computer and havent had any problems with it until today.
I turned the computer on and I get the white screen with the apple and then the computer gradually starts to get louder, and louder, and louder - almost sounds like a jet engine. I immediatly shut the computer down holding down the power button.
I tried it again and the same happened. Ive never heard the computer make this sound and it was getting louder and louder and was too afraid to let it continue.
I have important things on my 2nd computer that I need.
Should I let it continue? Has anyone experienced this before? I shut it down while the computer is still on the startup screen.
Help.

That is a safety feature to make sure it's not overheating when there's no OS to check temps or control the fans... at least on G5s, can't remember on my MDDs.
I have important things on my 2nd computer that I need.
If worse comes to worse you can pull the drive(s) to get at the info, or possibly use FireWire target disk mode...
http://support.apple.com/kb/HT1661

IMac G5 Sounds like a jet taking off

Our iMac G5 sounds like a jet taking off shortly after we boot it up and try to open any applications. Also, when we try to power down and then turn it back on, a flashing folder shows up with a question mark and finder icon. Any ideas out there?

If you have not already, reset PRAM
http://support.apple.com/kb/HT1379
and if that does not help, reset SMU (power management)
http://support.apple.com/kb/HT1767
FYI - For some reason, you are posting in the category for the older iMac G3 (CRT display).

Sounds like a jet airplane!

Okay, I started having issues with my Dual G5, (lastest available updates) about 1 month ago. We have since then replaced it with a new iMac, but I would still really like to keep the box as a back-up or even turn it into a server.
Every once in a while it will just "lock-up", mouse doesn't move, no beachball, no nothing. after about 2-3 minutes the fans kick on extra hard and fast and this thing sounds as if it's getting ready to break the earth's atmosphere, lol
I have no idea where to even look for a problem. I have pulled all the drives and checked them in my Voyager "toaster" drive and they all work fine, and the main drive from the G5 is even bootable and works great, so i'm assumming it's something to do with the G5's hardware.
Is this something that Apple would even fix, (and I don't mean for free), but will they still work on non intel G5's? is it worth taking to apple or does it sound like something I could fix or is there a 3rd party repair place anyone would suggest?
added: Sometimes upon staring up I will see the HD symbol with a line through it, I'll do a hard power down and then restart and it sees the drive just fine. I also tested by removing those drives and putting in cloned drives, it at times gave the same thing, yet the removed drives in another machine work fine, so I'm really thinking this is hardware.
Message was edited by: Chris Fritsche

Chris Fritsche wrote:
Every once in a while it will just "lock-up", mouse doesn't move, no beachball, no nothing.
The original Apple Pro mouse cable frays in the chord just as it exits the mouse, over time, and shorts out causing symptoms similar to yours. You can't see the fray by looking at it thru the exterior covering. This can happen to third party mice over time too.
Mine did it. I plugged it into a different port, so the chord exited the mouse in a different direction, and had very few freezes after that. Once I got over my frugality (cheapness!) I bought a new one. Eventually it got to where I couldn't even work for more then a few minutes without a freeze.
So, try a known good mouse to see if that's the problem. Perhaps borrow one from a friend so you don't purchase something you don't need.
Don Archibald, a Level 5 here, said the USB ports on the keyboard (for you desktop users) are underpowered and can cause this problem also if the mouse is plugged in there. This can even fry the keyboard sometimes (happened to him). Try plugging your mouse into a port on your monitor or tower.
More in this Apple doc.
after about 2-3 minutes the fans kick on extra hard and fast and this thing sounds as if it's getting ready to break the earth's atmosphere, lol
That's quite normal. It's a fail safe, when your OS isn't working, to keep your Mac cool as it has no idea if you Mac is overheating or not.
and the main drive from the G5 is even bootable and works great
In another Mac?
, so i'm assumming it's something to do with the G5's hardware.
If you think that try the following....
I would try running the extended version of your Apple Hardware Test.
It's not perfect but may flag something.
Is this something that Apple would even fix, (and I don't mean for free), but will they still work on non intel G5's? is it worth taking to apple or does it sound like something I could fix or is there a 3rd party repair place anyone would suggest?
Yes, I think Apple repair still works on them, if not a third party shop will. But, let's see if we can get you going.
added: Sometimes upon staring up I will see the HD symbol with a line through it,
That makes me wonder, have you checked your drives health using S.M.A.R.T. status in Disk Utility (located in your utilities folder on your drive)?
If your drive doesn't stay running long enough,
Try using Disk Utility to do a Disk Repair, as shown in this link, while booted up on your install disk. Then check its S.M.A.R.T. status there.
You could have some directory corruption. Let us know what errors Disk Utility reports and if DU was able to repair them. Disk Utility's Disk Repair is not perfect and may not find or repair all directory issues. A stronger utility may be required to finish the job.
After that Repair Permissions.
No need to report Permissions errors....we all get them.
I also tested by removing those drives and putting in cloned drives, it at times gave the same thing,
Are those clones of your G5 from before you had this trouble?
yet the removed drives in another machine work fine, so I'm really thinking this is hardware.
What Mac are you testing them on?
Also, have you ever replaced the PRAM battery on this G5?
 DALE

I have a 2011 Macbook Pro and it sounds like a jet engine or fans loud as crazy. What is the reason for this? Also I upgraded the Ram to 16GB from 4GB. I use a lot of video editing software and also run the Elgato capture device. Thank you.

Can somebody please help me with this problem. Thanks.

Try resetting the SMC
Shut down the computer.
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
Release all the keys and the power button at the same time.
Press the power button to turn on the computer.
Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.

27in iMac very loud fan noise. 3hrs after setup and running the fan came on. Sounded like a jet taking off.

Brand new fathers day gift. The unit is cool to the touch. Air being blown out of bottom is cool. Shut down unit was what I found to get it to shut off. That worked. I get up this morning and wake computer from sleeping and immediately fan comes on. I'm thinking I should take it back. 2 days old but the amount of updating it needed to do it was prolly built months ago.

Tammy,
You can do a SMC reset. BTW the port on the bottom is the air intake, the exhaust is on the back on the upper left. However I'd recommend immediately contacting Apple Care. The machine should be OK right out of the box. You can find the contact information in your country at AppleCare Contact Info.
SMC RESET
Shut down the computer.
Unplug the computer's power cord and all peripherals.
Press and hold the power button for 5 seconds.
Release the power button.
Attach the computers power cable.
Press the power button to turn on the computer.

MDD Fan sounds like its struggling

Ok, so my MDD has always sounded like a jet wanting to take off, well lately, i noticed that the fan (the big main one) has been getting higher in the revs, then just sitting there, sounding like is struggling, and the CPU gets pretty darn hot, just touching it, it is hot, and the temperature monitor i have on my menubar reads 137 degrees Farenheit, thats pretty hot. Do i need a new fan? If so where can i get one?

Japanmac,
Strange as it may seem I think I found the problem with the short-term "rising" temps in my system. You remember that USB wireless adapter I got from that person on ebay? The netgear wg111v2? Yeah, that one.. I think because of the amount of wattage that put out, it must have contributed to the short-term rising temps in my system. Strange as it may seem. This is the 1st time a USB wireless adapter did this to my poor MDD! Temps are now back at 100-105 as of right now, but I do expect them to get back into the low to mid 90's.
Have you ever heard of a wireless USB adapter contributing to heat in an Apple machine? And the guy who I bought this from told me it works for a G4 only. While this is true, it is apparent that this little bugger also is a contributor to heat in a G4 or other Mac.
Also, the drivers for this are, at best, very primitive and not really much tweaking can be done to make it open websites faster.
In addition, I also pulled apart my system this afternoon and gave the processor a fresh dose of arctic silver!

New 27'' Imac fan sounds like jet engine

Hi all, i am having some serious issues with my attempt to enjoy apple computers. I am a first time user coming from pc's, just due mainly to the price difference. I just got my first apple computer, a 27'' imac (the standard one, no bells and whistles for this struggling college student). Just want one mainly for recording music and doing research papers. Had to get the first one replaced due to a bad optical drive in the first day. Just brought the replacement home and after 2 days i turn it on and it sounds like a 747 is taking off in my bedroom. I am not the most computer savvy person around, but looked up as much as i could on forums. Tried all the resets and nothing works. Everytime the computer is on there is a turbine that also comes on. I downloaded the istat widget thing and it says my cpu fan is running at over 3000 rpms. I'm no air dispersment specialist, but to me that sounds high. Does anyone know if this is common as of late, and any possible fixes?? I have an telephone appointment with an apple guy tomorrow, but am pretty sure it is going to just turn into a "buy the 3 year $170 applecare plan" speech, like when i called for the disc drive.
Second, are apple computers poorly made?? I know it's wierd asking on the apple website, but i have to get some answers. 2000 dollars is alot of money to me, and the fact that i've had 2 problems in less than a week's time scares me. Should i keep trying to get a good imac that won't crap out, or should i buy something else? Thanks in advance for any replies, i really appreciate it.

Thank you guys for your comments and suggestions. I really appreciate it. I'm thinking of taking it in for repair or replacement. My only concern is that this is 2 times in one week i've had to go and get it replaced. And that's brand new. What is the reliablity for this product going to be in 6 months to a year. For 2000 dollars i don't expect to have to do that. Also apple is not paying my labor to repackage everything, take it down 5 flights of stairs, go to the inconvinently placed apple store at the center of an outdoor mall, pay for my gas, or for my time that i could be using to do something productive. I guess maybe i'm just frustrated, but still. Now if i get a new one i may not be able to enjoy it as much because i will just be waiting for it to break down. Maybe i'll just cut a flap in the new box so i can see the screen and a few holes in the back of the box to run the cables. Then when it breaks down i can just close the flap and push the cables back through, and have it all ready to go back in no time flat. Thank you again for your suggestions, i'm just very ticked off right now.

Sounds like maybe my fan is rubbing against something...

When I tilt the screen up and the fan is going it sounds like something that is spinning gets rubbed up against. This only happens when the fan is going, so I figure it's that. Any clue as to whether this is a real issue to be concerned about?
Also concerning fans... do they get dirty and clogged like some fans in larger computers do? Is there some sort of maintenance that should be done inside. I can't imagine it's a good idea to go opening things up, but thought I should check.
Thanks in advance for all your help gang. I just reset my PRAM, turned on my Activity Monitor and ran some periodic stuff in Terminal per your suggestions and the long flying jet-plane just landed so that's a good sign!!!

Hi Chris,
Any clue as to whether this is a real issue to be concerned about?
I would be concerned if it were my machine, concerned enough to investigate further by opening the keyboard and/or bottom of the PB to see if I could positively confirm that the fan was rubbing, and if so, on what. And if it was rubbing, I'd fix it or have it fixed.
Fans are there to cool off the internal components, and a rubbing fan is not going to spin as fast/cool as well, and over time is likely to burn out, at which time you may well have an overheating issue. If the fan happens to be rubbing on a wire (very possible), and eventually wears through the insulation on the wire and/or the wire itself, even more issues.
Yes, I'd be concerned if my fan was rubbing on something.
Also concerning fans... do they get dirty and clogged like some fans in larger computers do?
Very much depends on the environment the PB is used in and how often it's used there. I remember one post quite some time ago talking about a nearly golf-ball sized hair/dust ball inside a PB. I still find that hard to believe, but that's what they said. Others have posted about a rather heavy layer of dust coating their fan/s which affected the spin rate; cleaning restored normal operation (to get an idea, take a look at a ceiling fan which gets used daily and hasn't been cleaned in a few years; not good).
Is there some sort of maintenance that should be done inside. I can't imagine it's a good idea to go opening things up, but thought I should check.
Shut down, remove batt and power adapter, open keyboard and bottom of PB, and use common sense. I'd probably use a Q-Tip slightly moistened with rubbing alcohol.
I don't know which PB you have. This is why it's always a good idea to list it; a DVI could be a 667, 800, 867, or 1GHz. The 867 and 1GHz have two fans, while the 667 and below have only one. I don't remember off-hand about the 800.
All TiBooks have a CPU fan centered at rear of PB. The later models also have a power supply fan at the right rear corner.
I just reset my PRAM, turned on my Activity Monitor and ran some periodic stuff in Termin
Also do a PMU Reset.

Edit to tape audio promlem - sounds like "chorus" effect

I have tried to Edit to Tape an HDV Sequence, down converted to SD, to a Digibeta deck.
When I monitor (headphone out of digibeta deck) while recording it sounds normal. When I rewind and check tape it sounds like the audio is "doubled up", almost like a very short chorus effect is on the audio. as well as this I can hear what sounds like tape crackle now and again.
However - when I do a straight crash record from the timeline - the audio plays back fine, no crackle.
So thinking it was an edit to tape settings problem i clicked on the audio button in the edit to tape window and notice audio was set to ALL ON. I changed this to A1 and A2 on, thinking that my extra audio tracks (which I had disabled, these where the original audio, not the OMF exported stereo mix) were somehow going down the SDI anyway...
No luck - did the edit to tape again and still sounded the same.
My heart rate has returned to normal now as the network kindly will accept the crash record with non standard timecode - but I of course still want to find out the problem so this doesn't happen again next week....
The Sequence was HDV 1080i, via a Decklink HD Extreme Capture Card, set to down convert to anamorphic 16:9. Sony Digibeta DVW-A500P deck.
Anyone know what the problem could be?
thanks
Hugh

for the benefit of anyone who searches for forum for a similar problem - it appears to have been a sync issue. changing "out ref" to "input video" appears to have fixed it.

Everytime my phone vibrates it makes this loud noise from inside that sounds like a weird cracking noise or something help!!

Okay so I noticed a week or two ago that there was something lose on the inside of my iPhone 5s and ever since then when my phone vibrates sometimes there is this weird noise. It sounds almost like a cracking noise from the inside or a weird electrical noise. I think something is wrong with the vibrating part. Does anyone know if this is fixable or what it is?

Hello ashliz17,
After reviewing your post, it sounds like the phone makes a cracking noise when it vibrates. I would recommend that you read these articles, they may be helpful in troubleshooting your issue.
iPhone Other Repair Options - Apple Support
Apple - Support - Service Answer Center
Thanks for using Apple Support Communities.
Have a nice day,
Mario

Hi everybody, my Macbook air mid 2012 MD 231 suddenly shut down then i can not turn it on. I heard a sound like a fuse is blown or something like that. Did any system break or burnt? I did not charge at that moment. Plz help

my Macbook air mid 2012 suddenly turn off after a strange sound (like the sound òf a fuse has blown or something like that) and I also feel a burnt smell too while i am watching a film on the internet and did not charge the laptop at this moment. The sound was from the left of it, and now just a dark screen , even I tried charging it (still has green light at the charge tool). I bought it on 13st April 2013, not often use.
I love apple and i am so sad that a new product which i seldom use could be break so easily and outstanding. It's so late in my country now but i am too disappoint about the trouble so i am writing with hope of supporting from Apple and the community.
Please help , thank bro

You will have to take it to an Apple Store for repair.

My Ibook sounds like it working on something but it actually dont! ANNOYING

Been looking for answer through all the forum couldnt finde the right answer. First of all sorry if my English is not correct Im originally from Norway.
Just got my Ibook G4 month ago. And at the beggining I was amazed how silent it working! But few days ago it start to show some behavior. here is symptoms:
It still works very quiet, BUT! when it totally quiet I can hear that even if I do nothing on laptop it still give that tiny sound like processor(?) or harddisk(?) trying to do something. Hard to explain, this sounds like when I open some program computer give this quiet scratching sound when processor starts working. Well thats sound comes and repeats non stop every 10 sec even If I dont do absolutely anything.
I was trying to use disk utility and its appear that everything is allright.
I was trying to monitor computer activity and here is what it shows:
ACTIVE PROCESSE:
pmTool ......... root
Activity monitor
window server
config ... root
kernel_task ... root
Those processes working all the time when I do monitor activity
And this processe appear from time to time
SystemUIserver
update.... root
Does anyone have an idea what can cause this "working processes" in my Ibook which gives this tiny sound.
It dosnt seems big problem for me, but it is annoying especially this part that I dont know what can cause that sound. Im totally in love with my Ibook and was really amazed how quiet it is and Im just trying to figure out whats wrong.
By the way since I got it I also installed next programs:
MSN messenger
Yahoo messenger
LimeWire
Windows media player
VLC player
STUFFIT
DIVX converter
Can any of those programs cause that working sound? Maybe I just shoul reinstall opeariton system?
Thanks in advance
ANTON S.

SUVORKIN,
Verified is a good status
I don't think reinstalling the system software will fix your problem. Usually hardware makes the noises and software raises the blood pressure. Are you a former Windows user? Lots of EX-Windows users feel like they need to reinstall their system software often, but it is not necessary with Mac OS X. The same thing with defragmenting the hard drive. It isn't needed with a Mac (unless one is making a huge movie and is constantly saving pieces of it - example) because of HFS+ (Hierarchy File System) and HFAC (Hot File Adaptive Clustering). You may want to look at You do not have to defragment your hard drive because of Hot File Adaptive Clustering. You may want to look at Knowledge Base Document #25668 on About disk optimization with Mac OS X.
Developer Connection Document on HFS+ Volume Format says,
"Most files on a disk are rarely, if ever, accessed. Most frequently accessed (hot) files are small. To improve performance of these small, frequently access files, they are moved near the volume's metadata, into the metadata zone. This reduces seek times for most accesses. As files are moved into the metadata zone, they are also defragmented (allocated in a single extent), which further improves performance. This process is known as adaptive hot file clustering.
The relative importance of a frequently used (hot) file is called its temperature. Files with the hottest (largest) temperatures are the ones actually moved into the metadata zone. In Mac OS X version 10.3, a file's temperature is computed as the number of bytes read from the file during the recording period divided by the file's size in bytes. This is a measure of how often the file is read."
Jon
Mac Mini 1.42Ghz, iPod (All), Airport (Graphite & Express), G4 1.33Ghz iBook, G4 iMac 1Ghz, G3 500Mhz, iBook iMac 233Mhz, eMate, Power Mac 5400 LC, PowerBook 540c, Macintosh 128K, Apple //e, Apple //, and some more... Mac OS X (10.4.5) Moto Razr, iLife '06, SmartDisk 160Gb, Apple BT Mouse, Sight..

A tiny little cry for help: mic in bootcamp makes me sound like a mouse!

I posted this on the InsanelyMac forum, and I thought I'd post it here too because I'm just that desperate for help... thanks in advance for reading.
I run a MacBook Pro Core 2 Duo. When Snow Leopard came out I installed it and partitioned my drive to allow me to run Windows via bootcamp for the purpose of playing Aion with my husband.
The game works fine, although it only works correctly when I'm hooked to my large Dell monitor. The built-in display makes the mouse/cursor not function correctly in-game.
But that's relatively minor... the biggest problem is that the built-in mic, as well as any mic I plug into the Line In, makes me sound like a mouse when I speak. I SO don't want to be known as the squeaky mouse over ventrilo. (The problem occurs in a regular sound recorder too, so it is NOT ventrilo specific).
The audio device is listed as Intel High Definition Audio: Device ID 0x83847680, Audio ID 30 - whatever that means.
When I dive into the Control Panel audio preferences when booted into Windows, the driver is listed as IDT audio.
Audio output seems to function perfectly.
I would sure appreciate help if anyone has expertise or experience with this sort of thing. I'm at a little bit of a loss.
TIA,
Jen

Hey, I had a thought, I don't know if it'll work and won't get the chance to find out until later tonight if I'm not too tired or until later tomorrow.
I think that if the IDT drivers aren't installed in the first place, perhaps the issue can be averted entirely. However, it's going to take a bit of knowledge to do and some patience. The partition will need to be remade entirely so that one may end up with a fresh operating system. When the SL disk is put into the computer, instead of running the full driver setup, pick the drivers directly off the disk by exploring its folders and only install the ones you need. Instead of using the IDT drivers, I believe the SL disk also has Realtek HD audio drivers (if I remember correctly from the last time I looked). My thought is that this manual method can prevent having to deal with the IDT drivers which I believe are part of the issue.
I understand that reinstalling XP is a process in itself, but this is the only solution I can think of. If manually installing doesnt work, my next move would be to use the drivers that come off the Leopard disk instead of the SL disk.
Like I said, this is just a thought I have so when I get to it later I'll let you know how it goes unless you decide to give it a try before me.

I am trying to record a from my Macbook Air and an annoying loud sound, like a burp, will suddenly erupt from the MacBook, necessitating I start again. Any ideas on how I may stop this, or what it is??

I am trying to record a meditation from my Macbook Air and an annoying loud sound, like a burp, will suddenly erupt from the MacBook, necessitating I start again. Any ideas on how I may stop this, or what it is??

Click on the blue Internet Recovery in nbar's post. That is a link to what computers can run Internet Recovery.
Do a backup, preferable 2 separate ones on 2 drives. Boot to the Recovery Volume (command - R on a restart or hold down the option/alt key during a restart and select Recovery Volume). Run Disk Utility Verify/Repair and Repair Permissions until you get no errors. Reformat the drive using Disk Utility/Erase Mac OS Extended (Journaled), then click the Option button and select GUID. Then re-install the OS.
OS X Recovery
OS X Recovery (2)
When you reboot, use Setup Assistant to restore your data.

G5 sounds like a jet

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