My Mid 2007 iMac Runs Fine (Quite Fast) But Then Suddenly It Become Really Slow And Starts Crashing.

Also it take about 10-15Min's to boot. I have 2GB Ram.

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Mid-2007 iMac Running Mavericks Windows 7 Home Premium 64-bit Install

How do I go about installing a Windows 7 Home Premium 64-Bit (OEM) partition on a mid-2007 iMac running Mavericks?
Apple says that 64-bit Windows 7 isn't supported by my model iMac, but I know for a fact that other people have gotten it to work. I'm just a little unclear on how exactly to do it. In any case, I made the mistake of buying two copies of Windows 7 64-bit under the assumption that they would install just fine on my iMac and MacBook Pro (MacBook Pro is from 2007 as well), so I need to get this working.
What version of Boot Camp should I use? What version support drivers should I download? Apple says that Boot Camp 5.1, which is what I have, is incompatible with my iMac, and it says the same thing for every driver download that supports 64-bit versions of Windows 7, but would it be correct to say that this "incompatibility" is only the case if I don't first modify my Windows 7 installation disc according to the instructions in the attached link?
There is a Windows XP partition on my MacBook Pro, so I figure I can get on it to modify the installation disc before attempting a 64-bit Windows 7 install on the iMac.
http://www.gopulls.com/blog/2009.08.26/install-windows-7-x64-on-a-mac-beat-the-s elect-cd-rom-boot-type-error/

Tug was not wrong. From the Boot Camp System Requirements page: http://support.apple.com/kb/HT5634
iMac (24-inch, Mid 2007)
4
DVD
DVD
iMac (20-inch, Mid 2007)
4
DVD
DVD

No sound on optical audio input but audio signal is there; mid-2007 iMac running OS 10.6.8

I've connected a digital turntable to my iMac via Toslink RCA/optical and I know the cables and converter are working. In the Sound preferences I can see evidence of an audio signal being received but there is no sound. This setup used to work before I had my hard drive replaced.

Erase the drive then install OS X:
Drive Partition and Format
1. Boot from your OS X Installer Disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu.
If you are preparing an external or a non-startup drive, then open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Apply button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Security button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
If this doesn't work then the drive is probably bad or some of the new RAM you installed is marginally defective.

When I first open firefox it is fast but as I surf it gets slower and slower them stops, I have to close it and restart. what do I need to do to fix this?

I start of using Firefox 7, as I surf or stumble it gets slower and slower loading pages till it just starts to freeze up. I have to shut down firefox and restart. This only happens after 3 or 4 web pages.

As suggested I went to Control Panel & chose Add/Remove Pgms. Now, near the bottom was Windows iLivid Toolbar. I then hi-lighted it & removed it. The date it was last used seemed to be when my problem started. I am not a big user of toolbars (except the main ones); so I had no issues about deleting one that I did not recognize.
Then I opened up Mozilla again & changed my Home Page, using Tools then Options. I closed out Mozilla, then brought it up again & my new Home Page was showing just fine. Wow! What a relief it worked. I hope it lasts. Thanx Firefox !

How can I check for spyware on my Intel based mid-2007 iMac running Lion?

I recently received a message stating that my Intel based iMac desktop may contain spyware plus a friend sent me a copy of an email to my iCloud email address that i did not send to him, i was not even home using my iMac on that date. I do have anti-virus software on my iMac from Integra and I do a scan each day before i shutdown the iMac and have not received any such warnings from that software.
I do appreciate any and all advise I can receive in this matter. A long time ago I did receive an email a Yahoo based email address and was notified that I could possibly loose my email account due to junk email being sent from my iMac. I did have the support/warranty from Apple at that time and a phone rep did talk me through steps to check for any intrusion to my iMac with negative results, the iMac was clear of any spyware, etc.
Hoping there is the same for this issue.

You can't use a specific Mac OS X disc for a Mac with a different computer. First, call Apple and buy Mac OS X Snow Leopard > http://support.apple.com/kb/HE57 Then, make a backup, insert the DVD and upgrade OS X. Finally, open  > Software Update and install the most recent version

Windows 8.1 on Mid 2007 iMac

So, I need to run Windows 8.1 on my 24-inch mid 2007 iMac, running OS X 10.9.4. Yup, I could run it in VMware Fusion, but this time I would prefer to run in directly on the hardware.
I went out and paid $139.99+tax for a copy of Windows 8.1 pro 64-bit.
When I tried to install it on my mid 2007 iMac, using Boot Camp it tells me that ONL

ONL

Mid 2007 iMac video card does not meet minimum requirements for latest iMovie update

Tried updating to the latest version of iMovie and I get the following message. "Your computer's video card does not meet the minimum system requirements." I haven't had any luck finding what those requirements are. What are the minimum requirements?
Thanks.

I'm having the same issue here too. I'm using a mid 2007 iMac 2.4 GHz Intel Core 2 Duo with 4GB of SDRAM and ATI Radeon HD 2600 Pro 256 MB.
What bugs me is that the update shows up but you are not allowed to install it. Either one of two things needs to happen.
#1 apple allows users to hide the update but still let you know that there is a hardware incompatibality
#2 don't let the update show up at all

Problems with Installing 4GB RAM on mid 2007 iMac

I ordered 2 X 2GB sticks of PC2-5300 DDR2 SODIMM RAM for my Boss's mid 2007 iMac from Crucial.com. Well they arrived a few days later and today I have been trying to install them for a few hours now without any luck. I have installed new RAM about 5-6 times without any problems before on different MacBooks and iMacs. After this install I plugged back into the wall and hit the power button, the iMac made a little noise (internal noise) then nothing, just a blank screen. I thought maybe the RAM was bad so I inserted 2 other chips (we ordered 4 X 2GB to upgrade 2 iMacs) and still no luck. After making sure the iMac would boot with the old RAM (which it did), I tried installing 1 X 1GB with 1 X 2GB and it booted up perfectly. I did this with all four 2 GB RAM chips to make sure they all worked and they did. Each time I successfully booted, I went to the system profiler to make sure it recognized 3GB of RAM and it did. So my question is why is this mid 2007 Aluminum iMac not working with 4GB of RAM, but it works perfectly with 3GB? Thanks in advance, sorry for the long question.

+It seems to me that it is not just a problem with the RAM but with the imacs themselves.+
How does this make any sense when one considers that Apple successfully specified, produced, sold and delivered all three iMac (mid 2007) models with an optional 4GB of RAM pre-installed?
In addition, Apple has, without issue, sold large quantities of that same RAM online and over-the-counter for customer upgrades. Much of all that 2GB, and the latest 4GB RAM, as usual, has been manufactured by Micron, the publicly owned U.S. manufacturing company parent of the Crucial direct sales division. The same type of RAM was also being provided to Apple by other manufacturers.
I received my two orders of upgrade RAM from Micron/Crucial even before I had purchased my 24-inch iMac, and it's worked great ever since I installed it. I also installed the second half of that order into my current MacBook, purchased a month after the iMac, and it's also been working great ever since. These are certainly superior Apple products.
Obviously there has been a change in RAM manufacturing design at Micron, probably due to their change-over to the costly, challenging high-tech 50nm and 40nm manufacturing technologies, and it is nothing more than Micron's problem.
Message was edited by: myhighway

I upgrade my mid 2007 IMac to Yosemite and it has been running very slowly since then. I have 3GB of ram. Should I go back to Mavericks?

I upgraded my mid 2007 IMac to Yosemite and it has been running very slowly since then. I have 3GB of ram. Has this been a problem for anyone else?

Your iMac year and model is low on RAM.
3 GBs is really not enough RAM to operate your Mac under OS X Yosemite OR Mavericks smoothly and efficiently.
New Macs now ship with 8 GBs of RAM as minimum, base installed amount of RAM.
Your Mac model can take a maximum amount of 6 GBs of RAM.
I strongly recommend purchasing and installing the necessary RAM amount to meet the 6 GB RAM total.
If you live in the U.S. , Correct, compatible and reliable Mac RAM can be purchased from online Mac RAM sources Crucial memory or OWC (macsales.com).
OWC (macsales.com) has the proper RAM module or kit needed to get your Mac to the 6 GB RAM total limit.
http://eshop.macsales.com/item/Other%20World%20Computing/5300DDR2S6GP/
RAM is user installable and is, relatively, easy to install be newbie and novice Mac users.
http://eshop.macsales.com/installvideos/imac_mid_2007_mem_h/
Good Luck!

How do I clean my mid 2007 iMac? The disk space is running VERY low and I would love an idea. I make videos and upload them to youtube and I need space to do that. Thanks for your time!

How do I clean my mid 2007 iMac?
The disk space is running VERY low and I would love an idea. I make videos and upload them to youtube and I need space to do that. Thanks for your time!
If you have an idea please respond!

You should never, EVER let a conputer hard drive get completely full, EVER!
With Macs and OS X, you shouldn't let the hard drive get below 15 GBs or less of free data space.
If it does, it's time for some hard drive housecleaning.
Follow some of my tips for cleaning out, deleting and archiving data from your Mac's internal hard drive.
Have you emptied your iMac's Trash icon in the Dock?
If you use iPhoto, iPhoto has its own trash that needs to be emptied, also.
If you store images in other locations other than iPhoto, then you will have to weed through these to determine what to archive and what to delete.
If you use Apple Mail app, Apple Mail also has its own trash area that needs to be emptied, too!
Look though other Apple Mail folders like the junk mail and delete the mail that is in there. Look through your sent items folders and see there is any mail in there that can be deieted.
Delete any old or no longer needed emails and/or archive to disc, flash drives or external hard drive, older emails you want to save.
Other things you can do to gain space.
Once you have around 15 GBs regained, do a search, download and install OmniDisk Sweeper.
This app will help you locate files that you can move/archive and/or delete from your system.
STAY AWAY FROM DELETING ANY FILES FROM OS X SYSTEM FOLDER!
Look through your Documents folder and delete any type of old useless type files like "Read Me" type files.
Again, archive to disc, flash drives, ext. hard drives or delete any old documents you no longer use or immediately need.
Look in your Applications folder, if you have applications you haven't used in a long time, if the app doesn't have a dedicated uninstaller, then you can simply drag it into the OS X Trash icon. IF the application has an uninstaller app, then use it to completely delete the app from your Mac.
Download an app called OnyX for your version of OS X.
When you install and launch it, let it do its initial automatic tests, then go to the cleaning and maintenance tabs and run the maintenance tabs that let OnyX clean out all web browser cache files, web browser histories, system cache files, delete old error log files.
Typically, iTunes and iPhoto libraries are the biggest users of HD space.
move these files/data off of your internal drive to the external hard drive and deleted off of the internal hard drive.
If you have any other large folders of personal data or projects, these should be archived or moved, also, to the optical discs, flash drives or external hard drive and then either archived to disc and/or deleted off your internal hard drive.
Good Luck!

I recently updated my Mid 2007 iMac with the latest OS 10.8.5 now my external hard drives will not show up. They show up when I boot them up on a machine running and earlier OS. Is there a fix for this?

I recently updated my 20-inch, Mid 2007 iMac with the latest OS 10.8.5 now my external hard drives will not show up. They show up when I boot them up on a machine running and earlier OS. Is there a fix for this?

Can you see them in Disk Utility?
If so, can you select and Mount them?
If not, disconnect them, reset the iMac's SMC and then reconnect them.
Intel-based Macs: Resetting the System Management Controller (SMC)
1. Shut down the computer.
2. Unplug the computer's power cord.
3. Wait fifteen seconds.
4. Attach the computer's power cord.
5. Wait five seconds, then press the power button to turn on the computer.
If you still can not see them, connect them back up to the iMac running the older OS, open Disk Utility and look to see how they are partitioned and formatted.

Can I use faster memory in Mid-2007 iMac?

I currently have factory spec (1 GB) memory in my 20" (Mid-2007) iMac. Specs for memory in this machine say I need pc2-5300, unbuffered, non-parity, 200-pin, 667MHz DDR2 SDRAM. I noticed my hardware has an 800 Mhz bus.
1) Can I use 800 Mhz RAM that is otherwise the same spec?
2) How important is CAS Latency (e.g., the installed memory is spec'd as CL=5, the 800 Mhz RAM all seems to be CL=6)?
Any help is greatly appreciated!

I totally agree with lenn5! Many folks here in the forum have reported all sorts of problems, everything from kernal panics to won't even boot when they installed the 800MHz ram. You will see a great improvement in performance by adding another 1GB or 2GB module in the empty slot, or max it out with a 2x2GB kit.
http://support.apple.com/kb/HT1423?viewlocale=en_US
Message was edited by: den.thed

How well does OSX Yosemite run on a Mid 2007 iMac?

I own a Mid 2007 iMac with 4GB 667Mhz DDR2 RAM, Intel Core 2 Duo 2.0Ghz processor and has ATI Radeon HD 2400 XT 128 MB graphics. I was considering upgrading from OSX Mavericks 10.9.4 to OSX Yosemite, but fear it may slow the Mac down. If anybody has upgraded their Mid 2007 iMac, does it slow the system down? Thank You.

Hi JRos23. Thanks for sharing your experience.
I also have a mid 2007 iMac (2.4 GHz Intel Core 2 Duo) and I'm waiting on reviews like yours to evaluate if it is worth to take the leap and update. Last year I updated to Mavericks from Lion (skipped Mountain Lion) and it improved a lot on many fronts. However, it only felt smooth when I updated the RAM to 6GB. Apple specs tells us that this machine supports max 4Gb, though I found many people saying that it would support 1x2GB + 1x4Gb, and it does. I trully recommend it. If it helps anyone, I bought these: link (sorry, Spanish Amazon store).
However, seeing that you're having a good enough experience until now I will definitely consider it as near future project, maybe with 10.10.1. Is it really an improvement or are there any daily usage setbacks?
Cheers,
JP

Mid 2007 iMac SSD in optical bay - cannot write to last block of device

Hi All,
I've just replaced my optical drive in my 20" mid 2007 iMac (Dual core, 2.4 Ghz, 2 Gb RAM running Mavericks) with a solid state drive (Crucial MX100). The plan is to transfer my boot disk to this drive while keeping my 1 Tb HDD for media and such.
I followed the ifixit guide and it all went smoothly, however when I try to partition or erase the new SSD using Disk Utility, it tells me "Operation failed - cannot write to last block of the device". After googling, I found some answers here that suggested the optical bay cable may be faulty, so I bought a replacement and swapped it in, but no such luck, same problem. I also saw some threads suggesting that the boot disk should be in the original hard drive spot, but since this isn't the boot disk (yet) this shouldn't be the issue.
My computer recognizes the new SSD but won't allow me to partition it. Any suggestions on how to proceed?
Thanks!

ds store wrote:
3. The new disk is just bad.
OK. If that's the case, I'll just get another disk.
Lots of problems with that hybrid drives on Mac's on these forums, get another one that's 7,200 RPM and from Western Digital, not Seagate.
With a 7,200 RPM you get more performance across the entire drive, not just what's cached in the small flash portion of the hybrid.
https://discussions.apple.com/community/notebooks/macbook_pro?view=documents#/
1. Hybrid drives: I'm on number 8 in 6 different machines, no problems at all, what happens when you try?
2. The OP is not using a Hybrid.
3. Lot's of problems with WD drives not booting on these forums though.

Connecting mid-2007 iMac to LG TV via mini dvi to HDMI

I am trying to connect my mid-2007 iMac to my 42" LG HDTV to no avail. I am running iOS 10.6 Snow Leopard. I bought the mini dvi to HDMI adapter and plugged the iMac into the TV. I went to the display tab in the system settings and see that the iMac recognizes the tv. I went to the arrangements section and it recognizes the tv. When I click on gather windows it even calls it the LG TV. However, there is nothing showing on my TV. It says no input detected. When I move my mouse to the right side of the screen it disappears like it is going to a second monitor.
Any thoughts?

Hey Corinthone, did you ever figure it out? I have a mid2007 iMac running snow leopard & a 120hz LGTV 42". I was having the same issues as you(yes Frankie, I made sure I was selecting the correct hdmi input). Now with the same setup, my LG recognizes the HDMI input from my iMac. It says connecting but then 'no signal' on the screen. The hdmi2 is still showing a connection in 'inputs' just no picture on TV. I started changed the setting via my mac but still nada. The lg is 120hz. Does that have anything to do with it? Thanks

My Mid 2007 iMac Runs Fine (Quite Fast) But Then Suddenly It Become Really Slow And Starts Crashing.

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