Mavericks on Mid 2007 iMac won't recognize hard driveon start up. "?" on folder

iMac - Mid 2007- recently, in last 3 weeks, due to spinning beach balls locking up the machine, upgraded RAM to 4GB, from Lion to Mountain lion and finally,yesterday to Mavericks. Worked great for about 24 hours and this evening while using Mail,spinning beach ball. Force shut down and all that shows on restart is "?" on a folder icon. Tried starting up on Mountain lion disk which worked but when I set start up disk to MountainLion disk, now the main hardrive doesn't show up. Tried all kinds of start-up keys but nothing works. All peripherals unplugged including time-machine drive and ethernet. Getting frustrated.

That can happen. When you reformat a disk, bad sectors will be mapped out. The disk can "relocate" certain things to good sectors, and map these things out. There's an area of the disk for this. However when the "remapping" area gets full, the disk dies. This is a "soft" failure (as opposed to an actual "crash" where the hardware fails and you can hear things), but it's nearly as deadly as far as how things end up.
With a 7-year old machine it may be time to look for a new machine. Thing about a Mac mini is that you need a monitor too

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Updated to OS X Maverick/won't recognize hard drive now

I just updated to OS X Maverick. now the imac won't recognize the external HD I've used for years. Any suggestions? I don't want to lose any data.
thanks.

I have similar problem with Parallel 5 after upgrading to Maverick. Some of my programs on Windows won't
open now with Maverick operating systme. Say I should upgrade Parallel.

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

IMac won't recognize midi device

IMac won't recognize midi device (Roland Fantom) which is connected via USB only; no midi interface. I have rebooted both the Roland and the iMac, still no go. I have manually added the midi device under Audio Midi setup, still none of my apps will recognize the device; Logic Pro, ProTools and Sibelius. How do I get this configured? I've read through some other posts and nothing has worked.

Its standard for all computers - if you have 3rd party things that do not work - contact that company - they may have a driver for you to download specific for mac.
Some 3rd party things are windows only - probably same for Mac.

I have a mid 2007 iMac and the internal superdrive audio cd won't play, the DVD works. Can I purchase an external cd drive that will work with my iMac?

I have a mid 2007 iMac (Model A1224 iMac 7,1) and the internal superdrive audio cd won't play, the DVD works. Can I purchase an external cd drive that will work with my iMac?

Welcome to the Apple Support Communities
Any external optical drive will work with your Mac. If you want an Apple USB SuperDrive, see > http://www.tuaw.com/2012/04/02/use-the-macbook-air-superdrive-with-any-almost-ma c/
The best option is to take the Mac to an Apple Store and get the Mac's SuperDrive repaired

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!

I have a mid 2007 iMac and want to know if i can upgrade to OS X Mavericks?

I have a mid 2007 iMac and want to know if i can upgrade to OS X Mavericks?

Just adding a point to Paul's suggestion of suppliers. (Congrats on getting to 5 figures, Paul)
In North America contact OWC …        Upgrade Apple iMac Memory
In Europe contact Crucial.com …       RAM Memory Upgrade
Both companies have facilities to guide you and will recommend the correct memory package to meet whatever needs you describe to them.
There may be benefits buying from your own geographical location insofar as Shipping charges, Local sales taxes and Exchange rates. Check out the basic memory costs and do your sums.

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

I have a mid 2007 iMac.    2 GHz Intel Core 2 Duo, 4 GB 667MHz DDR2 SDRAM, OSX 10.9.5.   I attempted to do the latest update and got the message: Start up disk is full. Delete files. How do I do that?

I have a mid 2007 iMac.    2 GHz Intel Core 2 Duo, 4 GB 667MHz DDR2 SDRAM, OSX 10.9.5.   I attempted to do the latest update and got the message: Start up disk is full. Delete files. How do I do that?

Freeing Up Space on The Hard Drive
1. See Lion/Mountain Lion/Mavericks' Storage Display.
2. You can remove data from your Home folder except for the /Home/Library/ folder.
3. Visit The XLab FAQs and read the FAQ on freeing up space on your hard drive.
4. Get an external hard drive on which to store some of your files after which you can
      erase the data from your internal drive to free up space.
5. Also see Freeing space on your Mac OS X startup disk.
6. See Where did my Disk Space go?.
7. See The Storage Display.
You must Empty the Trash in order to recover the space they occupied on the hard drive.
You should consider replacing the drive with a larger one. Check out OWC for drives, tutorials, and toolkits.
Try using OmniDiskSweeper 1.8 or GrandPerspective to search your drive for large files and where they are located.

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

HT4241 Does dvi to HDMI adapter works on mid 2007 iMac? Some how my iMac detect the sharp tv but the tv screen is black.

Does dvi to HDMI adapter works on mid 2007 iMac? Some how my iMac detect the sharp tv but the tv screen is black.

you need mini dvi to hdmi cable
http://store.apple.com/us/product/M9321G/B/apple-mini-dvi-to-dvi-adapter?fnode=5 1
and
http://store.apple.com/us/product/HA835ZM/A/belkin-hdmi-to-dvi-d-cable-2-m66-ft? fnode=51

My mid 2007 iMac doesn't recognise 2GB RAM module in DIMM/1

I am trying to upgrade the RAM in my mid 2007 iMac from 1GB to 4GB. It originally had a 1GB module in slot DIMM/0 and nothing in slot DIMM/1. I inserted the two new 2GB modules, one in each slot but DIMM/1 just reports as being 'empty'. I have tried swapping the modules and different configurations of 1 & 2GB modules but DIMM/1 only reads the original 1GB module (from DIMM/0) and reports 'empty' when either of the two 2GB modules are installed.
I have reset PRAM, checked EFI firmware update and updated OSX to version 10.6.8 (from 10.5.8) but still the same result. The best I can get is 3GB (2GB in DIMM/0 and 1GB in DIMM/1). I am definitely pushing the modules firmly into place. Is there anything else I can try?

Your machine will accept up to 6GB of RAM however you must a) have the correct specifications, no variations at all and b) must push hard with both thumbs to fully seat the RAM. The correct RAM for your system would be the specifications shown here. I suspect 1 of three things with the RAM you bought.
1. Wrong specifications!
2. Incorrectly installed
3. Defective RAM
I would STRONGLY recommend using Crucial or my preferences OWC, which is the memory shown in the link.
BTW I have a late 2007 24" 2.8GHz iMac with 6GB of RAM.

I want to dual boot Windows 8 on my 20-inch, Mid 2007 iMac, from an external USB drive.

I want to dual boot Windows 8 on my 20-inch, Mid 2007 iMac, from an external USB drive. The internal drive is completely dead, it doesn't even show up in Disk Utility. I'm running 10.8.2 from the external drive. When I start Boot Camp Assistant, at the Introduction page, when I press the continue button nothing happens. Do I have to have internal drive to run Boot Camp Assistant? Can anyone provide me with the steps to dual boot, with his setup? Thanks in advance!

Hi maczimillon,
Only follow these steps, it works for my:
Open "System Information" and note your "Boot ROM Version" (some like MBP51.007E.B06)
Navigate to "Utilities" in Finder and open the package contents of -BootCampAssistant.app- with right click. Duplicate the "Info.plist" file to the Desktop e.g. and open that with Text Editor.
You must locate the keys "DARequiredROMVersions"and "USBBootSupportedModels"
Add new strings with the information of your machine under booth keys (step 1), always respect the format, such as: <string>MBP51.007E.B06</string> for the frist key and <string>MBP51</string> for the second key.
Save changes and replace the original plist file (it may ask you to enter admin pass)
If you proceeded correctly you will see the checkbox "Create a Windows 7 USB install disk" enabled in Boot Camp Assistant.
Then you can follow the usual Boot Camp installation using your WIN8 DVD iso image . The assistant program will proceed resizing your disk partition and installing necessary drivers for your iMac.
I strongly recomends you to use thirld party's bootloaders like rEFInd (rEFIt) because of the Apple SMC versions of some old machines should not be able to boot properly from external devices like USB drives.

Mavericks on Mid 2007 iMac won't recognize hard driveon start up. "?" on folder

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