Intel Mac :: Way To Speed It Up
Feb 21, 2012
I have a 3-year-old-plus iMac8,1 with two GB RAM running OS 10.6.8. Hard drive is 320, with 172 gigs free. It used to be almost full, because i had a lot of video on it, but I transferred a lot to external hard drives. I emptied cache of safari, which improved performance, disabled time machine, disconnected two external hard drives, which has improved things some. I downloaded Tinker Tool, but not sure what to do with it. Sometimes I can hear the hard drive struggling in the background, doing something, not sure. I ran disk utility. Everything seems OK there. Still running slowly.
Info:imac, Mac OS X (10.6.8), iMovie11
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Jul 17, 2009
How fast is it comared to the intel ones, what brand is it. Summurizing is it any good and how does it compare to the 500 GB/7200 rpm HDD?
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Feb 11, 2012
iMac mid 2010 i3, I replaced stock hdd to a two terabyte western digital caviar green. After replacing the fan speed rapidly increased. I installed smc and still no resolution.
Info:
iMac, Mac OS X (10.7.3)
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May 17, 2012
After many years on PC's, I just got myself a 21.5 iMac. Everthing is great so far except for my ftp downloads. Last week on my pc the download speeds would vary from 2 to 12 Mbs per second depending on conditions. Now on the iMac I am lucky to get .5 to 1 mbs. Could some longtime Mac user share a few tips on network settings to improve my ftp downloads?? I ran the speed test on my Comcast support site... and it showed my download speed as 23Mbs.Â
Info:
iMac, Mac OS X (10.7.4), using Filezilla or CuteFTP for Mac
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May 19, 2012
after a while, my iMac starts running its cpu fan at max speed. This occurs on OSX and in Windows. The issue does not seem to be temprerature related. I messured the temperatures via software and even if the cpu is at 30 degrees C , it runs full speed. I can't throttle the fan via SMC Fan Control or something. It just keeps running at full speed. I tried resetting the SMC multiple times without any help.How I tried to reset the SMC:Â
1. Shut down
2. Pull all plugs for 15 secs++
3. Reconnect evertything
4. wait at least 5 more secs
5. boot the systemÂ
Apple Hardware Test reported no problems.Â
Info:
iMac, Mac OS X (10.7.4), 27" mid 2011
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Jun 16, 2012
I'm getting multiplexing error. One suggestion was to use slow burn speed. Where and how do I change the burn speed?
Info:
iMac, Mac OS X (10.5.8)
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Feb 23, 2012
Returned home this evening to hear my iMac fan making lots of noise, upon checking it was the HDD fan that was operating at 5500rpm. Both other fans were normal. Ambient temperature was 23c and HDD temp was 36c. Normally it's almost silent. It's a late 2009 21.5" base model that has never had an issue in the 23 months that I have owned it. Any idea what the problem is has it gone bad? I restarted but the problem remained I had to shut down and restart to get it back to normal. On another note how do you clean off the dark grey blotchy marks that have appeared at the top of the screen. They don't appear to be on the glass. They started in each corner now they span entire screen top.
Info:
iMac (21.5-inch Late 2009), Mac OS X (10.7.3)
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Mar 17, 2012
My iMac (intel core duo) after a hard drive replacement seems to be running the fans at a high rate of speed. Usually just a few minuets after startup. Before the upgrade they were almost silent and now they are very noticeable. I need to get taken care of or just a result of installing a larget hard drive?Â
Info:
IMac Intel Core Duo, Mac OS X (10.4.10), Ipod 30 Gig, BMW IPod Integration, .mac
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May 14, 2012
My iMac is very slow suddenly. How do I restore its speed? I have emptied cache and reset Safari... what else can I do?
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May 18, 2012
Machine: iMac intel core 2Â 2.66Ghz Model A1224
sn# YM******ZE3Â
Ran the hardware test by pressing 'D' key. hardware test came back with error :4SN/1/40000000: T00P-65.250Â
I am guessing some sort of temp sensor might need replacing.Â
Info:
iMac
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Jun 7, 2012
Our iMac is 18 months old and three times in the last few months the fan has switched on at full speed as soon as I press the power button. If I disconnect the computer from the power source and turn it upside down before reconnecting and starting it up, the fan will then work normally. Has anyone else had this problem? I guess the answer is to take it to a service centre, but I thought I would see if there is a simple resolution to the problem first.Â
Info:
iMac, Mac OS X (10.7.4)
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Jun 16, 2012
My iMac desktop has a download speed of 2mbps. My Mac book Pro is at 17Mbps at the same time.This seems to have started when I upgraded to Lion. It is a Wi-Fi connection?
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Jul 3, 2012
I wanna find a typing speed monitor to monitor my typing speed, does anyone know anything about it? If yes, could give the download links?
Info:
iMac (27-inch Mid 2010), Mac OS X (10.7.3)
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Jul 5, 2012
I am having trouble with the ping speed on my internet connection; it is registering at 174 ms, which is too high. My iMac is a 2009 24inch model running Lion. Is this due to my wifi or is it the ip server?
Info:
iMac, Mac OS X (10.7.4)
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Dec 3, 2014
How to change cd recording speed on iMac ?
Info:
iMac, OS X Yosemite (10.10.1)
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Apr 30, 2009
Sorry for the title but I couldn't think of anything better. Hopefully I'll be able to explain my problem. I have a MPR 2.53 ghz, 4 gig ram, I'm using Safari 4.04. I am using the WIFI at a guesthouse in Thailand (but I had the same issue in China, Vietnam ...). I ran a speed test and it said download 7mb/sec and upload about 1mb/sec. I have an "app" that says bandwidth in 1.3kb/sec out 1.0kbs. I thought maybe it was Safari so I downloaded and installed Firefox. firefox gives me similar speeds. When I downloaded Firefox though I had a download speed of over 1mb/sec. But as soon as it finished downloading the speed went back to around 1kb/sec. I have rebooted my MBP many times. I did some Google searches but didn't find anything helpful.
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Dec 20, 2007
I am interested in adding a webcam to my desktop Imac (power pc)- Isight is no longer available- an option that I found is the Ecamm Image- but apparently it is USB and not firewire and it will only run with high speed usb- how do I know which type is on my computer? I checked system profiler but quite frankly wasn't sure of the designations.. does anyone have any experience with this camera, by the way? is USB 2.0 by definition "High Speed"?
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Apr 10, 2009
I have a WDS local network at my house. I use a Airport Extreme in my main part of the house and a Airport Express for my back part of the house i.e. the backyard. Now every two weeks or so my internet speed through my Airport Express slows down about half the speed but when I am connected trough the Airport Extreme my speed is normal. I know this because I test my connection very often. Now when I want the Airport Express to get back up to speed I have to unplug, and plug it back in. Then after awhile it starts to slow down again in a time period of two weeks or so.
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Jan 7, 2010
I have a MPR 2.53 ghz, 4 gig ram, I'm using Safari 4.04. I am using the WIFI at a guesthouse in Thailand (but I had the same issue in China, Vietnam ...).
I ran a speed test and it said download 7mb/sec and upload about 1mb/sec. I have an "app" that says bandwidth in 1.3kb/sec out 1.0kbs. I thought maybe it was Safari so I downloaded and installed Firefox. firefox gives me similar speeds. When I downloaded Firefox though I had a download speed of over 1mb/sec. But as soon as it finished downloading the speed went back to around 1kb/sec. I have rebooted my MBP many times. I did some Google searches but didn't find anything helpful.
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Mar 4, 2010
Have an Extreme base stations and express repeater connected to my DSL services. On my primary iMac connected via ethernet I get 5.25MBps speed. The speed on this computer is always constant. On the remote MacPro I get anywhere from 1.5MBps to 5MPps speed within a half hour of testing.
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May 21, 2010
I'm using Data Rescue III on a USB powered hard drive with and it's taking a very long time with my iMac G5... It says 42,291 hours remaining (about 5 years) If I did it on my Mac Pro would it go faster, or is the recovery speed based on the hard drive speed?
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Apr 8, 2012
My Mac OS X as soon as I turn it on the fan is running. I have already gone thru the reset SMC . Could I have too much stuff in it?
Info:iMac, Mac OS X (10.5.8), 2.66 GHz Intel Core 2 Duo 4GB 1067
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Apr 11, 2012
I have a 27" iMac that I recently took to the Apple Store to have the LCD replaced. When I got my machine back and started it up, the fans kicked on full speed and will not stop...this didn't happen prior to me taking it to repair...it ran nearly silent.My firmware and so forth is all up to date.... I downloaded SMC Fan Control to see what was going on... my computer is operating at 97 degrees farenheit. but my CPU fan is spinning at 4035 rpm. That's crazy over the top. Optical drive fan (with no disk in it) is spinning at 3736rpm...and my HD fan is at 1098rpm (which is probably about right.Â
Info:
iMac, Mac OS X (10.7.3), 27" i5 2.66 Ghz, 8 gb RAM
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May 5, 2012
My iMac has had a sudden decrease in wifi download speed. Upload speed hasn't changed and all othe connected devices still work as normal (the iPad still clocks in at around 30mbps and the iMac used too, now it's at 5.0 mbps). How do I fix the iMac? We have determined that it is not the internet provider and I have exahusted my ideas on how to get the speed back.
Info:
iMac 2.4 GHz Intel Core Duo, Mac OS X (10.6.6), 4 GB 800MHz DDR2 SDRAM
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May 25, 2012
I have a mid 2011 27" imac. Ever since I've had this computer, my wifi works fine for the first 5-10 min when I turn the computer on, then after that it starts to slow to the point where it takes 2min to load a page. Then I have to wait about 15min for it to start working properly again.
All the other wifi devices in my house (ipad, laptops) do not have this problem at all so it must be the imac and not the connection. I'm running the latest version of Snow Leopard 10.6.8
Info:
imac i7, Mac OS X (10.6.5)
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May 26, 2012
My iMac's Internet Sharing since one week still be very slow. I have a realy fast Internet on my computer, so, that's not a problem. I use IS for my iPad and it opens only 1-3 pages, then it just stills loading. One week earlier I could watch films etc, so it worked. The same problems are also with catching it on my iPhone, so the problems is by iMac. It writes "connection timeout" or something like this.
Info:
iMac, iOS 5.1.1
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Jun 12, 2012
I've recently upgraded my internet speeds through my ISP to have 50Mbps download and 2Mbps upload. I use my 2TB Time Capsule as a router as it has by far provided the best connectivity than any other router. I run dual network - connect my iPhone 4S through standard network and my iMac through 5GHz network. Since upgrading my speed, I have noticed that my iMac speeds vary greatly, but most of the time I'm struggling to get more than 10Mbps download, however on my iPhone I easily achieve almost 40Mbps. I have tried different browsers, and ensured all other applications are closed and even switched the iMac (2009 i7 quad core) to the standard network. At that point I noticed a slight increase in speed but it was short lived.Â
I am stumped on what to try next. Does anyone have ideas? The iMac is a little hot, but nothing that isn't normal so I can't put it down to heat or anything. I recently installed Windows 7 through bootcamp but didn't expect that to impact anything, however it was around a SIMILAR time that I noticed issues, as previously I was getting a consistent connection of 20Mbps before I upgraded.Â
Info:
iMac, Mac OS X (10.7.4)
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Aug 27, 2014
My iMac runs perfectly fine; more or less as it did when it was new. In OS X, when I shut down the computer, the fan runs at full speed indefinitely, unless I unplug it or boot back up. When running, the fan is perfectly normal (increases speed a bit when doing something taxing). I've never heard it at full speed before until this started happening. After following the SMC reset procedure with no luck (I'd like to add that the SMC reset only says it relates to fan problems when the computer is ON), I searched a bit and noticed there are one or two cases where a problem like mine was believed to be a motherboard issue, and therefore a costly fix.Â
However, here's the fun part. When booted into Windows 8.1, shutting down the iMac does not cause this issue to occur. It stays silent, as it should, even if I disconnect then reconnect the power. This leads me to believe it's unlikely to be a motherboard issue. However I've wiped, restored, and reinstalled fresh copies of Mountain Lion, Mavericks, and Windows 8.1, and the result is still the same: if I don't want to have to unplug it from the wall, then I have to use Windows to shut it down.Â
So then, my questions are these:
-What is the difference between shutting down from OS X and shutting down from Windows?
-Is an operating system allowed/able to touch BIOS settings?
-Is it possible to still be a hardware problem, given this difference?Â
My default OS is OS X, and it makes no difference if I change that to Windows. I also did a PRAM reset, even though that has nothing to do with fans...
Info:
iMac, OS X Mavericks (10.9.4)
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Apr 12, 2009
i have a 1.5 Mbps AT&T DSL connection, and multiple speed tests show a download speed of 1.2 Mbps (and 200 Kbps upload). when i download files, such as software updates from Apple, various podcasts, and even Silverlight from Microshaft, the speed is always between 140 - 160 Kbps. i contacted AT&T, and the rep said it was because of buffering by the servers i was receiving the files from. is this a reasonable explanation? is this an accurate use of the term "buffering"?
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Aug 26, 2009
Last night my fan kicked into high gear all of a sudden. I shut it down overnight and when booting up this AM I find it still running on high...quire noisy, of course. Is there something overheating? How to make it run at normal speed?
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