IMac 20" Mid 2007: Upgraded to 10.6.4 - Now having display issues

Recently, I upgraded my iMac from Tiger to Snow Leopard. I purchased a box set from Buy.com that included Snow Leopard, iLife '09 and iWork '09. Didn't seem to have any trouble with any of the installs. However, now I'll be working on the machine and all of a sudden my screen will go either black, white, fuzzy lines, or vertical lines. I would say 90% of the time the screen goes black. I can't bring it back without pressing and holding the power button down to do a hard reboot.
I've reset the SMC and the PRAM. Doesn't seem to help.
I have 2GB of RAM on this machine and didn't really have a problem until the upgrade. Any ideas on how to fix this problem?
It's becoming more and more of a problem.
Thanks!

Ok... took some time to further research this issue. Didn't find much in the way of concrete diagnosis until a friend of mine who is a fellow Mac user. Here's his situation: He had the iMac white model that was released right before mine (the first released aluminum model). He said he had recently upgraded his iMac to Snow Leopard using the same box set product (Snow Leopard, iLife 09, iWork 09) that I purchased for upgrading my Mac. He then described to me exactly what my computer's symptoms (lines in the screen, system freezes, black screens). He said then that his graphics card finally just fried (which was attached to his montherboard) so the repair cost would have put him at about $600. I quickly backed everything up on my hard drive and then reinstalled Tiger this past weekend. Haven't had a single episode. I'm just really bummed out now because I can't run iLife 09. Someone has GOT to have a solution for this by now. From what I'm now hearing this is a pretty widespread issue.

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How can I send a .pdf in iChat without it turning into a .zip file? I just upgraded to Lion and am now having this issue.. Please help.

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Hi,
It is no good smiling sweetly as I have children and it odes not work
To explain further.
I answer the alerts first, that I get for "New Posts" in threads I have contributed to.
Then I read my other email.
Then I come back to the boards to read the oldest Unread thread first.
Not linking to the Thread to highlight there is one whilst emailing me is a bit like queue jumping.
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Speak soon.
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I have a rather old iMac 20" (mid 2007) and I want to upgrade the Hard drive. How do I change it? How do I transfer all my applications? May I just copy the old hd into the new one? Thanks.

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Please complete your profile so at the very least we know what version of OS X your machine has installed.

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Can I fix this high fan speed?

Open Activity Monitor in the Utilities folder. Select All Processes from the Processes dropdown menu. Click twice on the CPU% column header to display in descending order. If you find a process using a large amount of CPU time, then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps. Be sure to note the name of the runaway process so you can track down the cause of the problem.
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How do I know if my iMac is Mid-2007 or later - would like to know if my iMac is Mavericks capable before upgrading...

Model Name:          iMac
Model Identifier:          iMac8,1
Processor Name:          Intel Core 2 Duo
Processor Speed:          2.66 GHz
Number Of Processors:          1
Total Number Of Cores:          2
L2 Cache:          6 MB
Memory:          2 GB
Bus Speed:          1.07 GHz
Boot ROM Version:          IM81.00C1.B00
SMC Version (system):          1.29f1

I have an iMac. , mid 2007. Frequently, when I take an action, the little color wheel starts spinning and goes on for quite awhile. Save a file, close a file, open a file, open a window, it's all random. Somtimes it stalls, sometimes it doesn't. Why?

I have an iMac. , mid 2007. Frequently, when I take an action, the little color wheel starts spinning and goes on for quite awhile. Save a file, close a file, open a file, open a window, it's all random. Somtimes it stalls, sometimes it doesn't. Sometimes long, sometims short. Why is this happening?

Consider adding more memory. Be sure you have adequate free space on the hard drive - 15 GBs or 10% of the drive's capacity, whichever is greater. Do not run too many applications concurrently. Visit The XLab FAQs and read the FAQ on resolving the SBBOD.
Do some maintenance:
Repair the Hard Drive and Permissions
Boot from your Leopard 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. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
Kappy's Personal Suggestions for OS X Maintenance
For disk repairs use Disk Utility. For situations DU cannot handle the best third-party utilities are: Disk Warrior; DW only fixes problems with the disk directory, but most disk problems are caused by directory corruption; Disk Warrior 4.x is now Intel Mac compatible. Drive Genius provides additional tools not found in Disk Warrior. Versions 1.5.1 and later are Intel Mac compatible.
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Carbon Copy Cloner
Data Backup
Deja Vu
SuperDuper!
SyncTwoFolders
Synk Pro
Synk Standard
Tri-Backup
Visit The XLab FAQs and read the FAQs on maintenance, optimization, virus protection, and backup and restore.
Additional suggestions will be found in Mac Maintenance Quick Assist.
Referenced software can be found at CNet Downloads or MacUpdate.
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Where can I buy an inverter board and cable for my iMac 24 (mid 2007)

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See clues here in the last post...
http://forums.macrumors.com/archive/index.php/t-869303.html
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http://www.welovemacs.com/im24lcdresc.html
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24" iMac LCD Panel w/ Inverter Board and Gasket (p/n 1005316)
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Replacing imac 24" mid 2007 hard drive

hello everyone
recently my imac 24" mid 2007 320gb 2gb ram mac hard drive completely failed i have tried everything it starts up sometimes then freezes other times it doesnt even recognise the hard drive so i am currently using it through a boot on a external hard drive my question is if i were to replace the hard drive myself (using youtube videos i am quite tech minded so looks fairly easy) would i have to get a certain type of hard drive i know its 3.5" but is there a simple to the size 1tb/2tb and als oi have read the transfer rate may need to be tapered down is that true and if so how would i go about doing it ?
any help will be appreciated thanks very much
craig jenkins

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http://i16.photobucket.com/albums/b13/CRazY_GAmEr_07/SATA2.jpg
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Hi, we are using mac mini's for our developement purpose. connecting the same through using Real VNC. Mac mini's are late 2009 and 2010. Now we have upgraded them to 10.8.5. after upgrading having display issues after launching the simulators

hi, we are using mac mini's for our developement purpose. connecting the same through using Real VNC. Mac mini's are late 2009 and 2010. Now we have upgraded them to 10.8.5. after upgrading having display issues after launching the simulators, we are unable to view the icons we need to move the simulator (into different places) to view the icons.
Also we are having Mac book pro's (Late 2009 & 2010) after upgrading them to 10.8.5. Unable to launch the mac, getting only white screen with apple icon.
Let me know is there any specific Hardware (Graphic Cards) we need to use for the same.
Please provide me the early solutions.
Regards,
Suresh.

Hi, try this first...
Bootup holding CMD+r, or the Option/alt key to boot from the Restore partition & use Disk Utility from there to Repair the Disk, then Repair Permissions.

IMac Intel Mid 2007 Wifi crash after Lion 10.7.3 Combo update

After the Lion 10.7.3 upgrade my WiFi Airport connection is crahed with no more InterNet connection.
On a iMac mid 2007 Intel.
The recent update for WiFi cant be installed.
Hey Apple, can You hel me ?

It sounds like your issue is with your ISP's DNS settings. Please study CNET's DNS Article and MacWorld's DNS Troubleshooting and finally change your DNS settings to:
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2. Network
3. Click Advanced
4. Click DNS tab
5. Click + sign
6. Add 208.67.222.222
7. Click + sign
8. Add 208.67.220.220
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10. Exit System Preferences

How do I know if my iMac is Mid 2007 or later?

I have 10.6.8 and know my SN but have no idea how to determine date of manufacture.

Open  > About this Mac > More Info, and look at Model Identifier. The Mid 2007 iMac model identifier is iMac7,1

What mac os 10.8 - 10.10 would you recommend for an iMac from mid 2007

I have a mid 2007 iMac stock 2 Gb ram. What OS would give me the best performance for this older model?
I am running 10.7.5 and am planning a clean install.

OS X 10.10. Yosemite system requirements:
http://support.apple.com/en-us/HT6412
Application compatibility:
http://roaringapps.com
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IMac 24" mid 2007 video card

If my video card is bad will the mini dvi port work for an external monitor. My screens glows around the edges and flickers colors along edges also, no video at all. Thank you in advance.

Kenand,
Well you belong in the Intel forum but...
If my video card is bad will the mini dvi port work for an external monitor.
No
My screens glows around the edges and flickers colors along edges also, no video at all.
From the service manual:
"1. Make sure all software updates have been applied to the computer. Refer to KBase article
303903, Intel-based iMac: Installing available updates or to Apple Downloads “iMac Software Update 1.2 (Tiger) or iMac Software Update 1.3 (Leopard)."
"Reset your computer’s PRAM (Parameter RAM):
-- Shut down the computer.
-- Locate the following keys on the keyboard: Command, Option, P, and R.
-- Turn on the computer.
-- Press and hold the Command-Option-P-R keys simultaneously. You must press this key combination before the gray screen appears.
-- Hold the keys down until the computer restarts and you hear the startup sound for thesecond time.
-- Release the keys"
Reset the SMC:
"To reset the SMC on an iMac (24-inch 2007)
1. From the Apple menu, choose Shut Down (or if the computer is not responding, hold the
power button for approximately ten seconds until it powers off).
2. Unplug all cables from the computer, including the power cord.
3. Wait at least 15 seconds. The SMC reset occurs automatically once the iMac has been
unplugged from the AC power source for several seconds.
4. Plug the power cord back in, making sure the power button is not being pressed at the time.
5. Reconnect your keyboard and mouse to the computer.
6. Press the power button on the back to start up your computer.
Note: The iMac (24-inch) does not have a button on the main logic board for resetting the SMC,
which eliminates the need to remove the computer’s cover to reset it (as required for some other
models)."
Report back. There are more tests but the front bezel and access door will have to come off.
Richard

After installing Mavericks (from Mountain Lion) on my iMac 20" mid 2007 I cannot read musical cd on the internal drive neither on external. No problems at all with my macbook air.

When I put a musical CD into the reader (no matter if it is the internal Matshita or an external drive) the system write a message like :" this computer cannot read the disk" (in italian "il disco inserito non è leggibile da questo computer").
I have also a macbook air : no problem at all with the same CD and the same external reader.
Please help me.....

Followup: on a business trip. Booked ahead for Genius Bar appointment. Fixed in half an hour. His hardware test found nothing wrong with the MacBook. He flashed Mountain Lion onto the laptop with no hiccups. Right there in the store the MB connected to iCloud and I had all my personal information back. Back in the hotel room it only took me 3 hours to fully reinstall all my purchased software over the hotel's wired LAN from the App Store and third party sites, without needing a single DVD like in the bad old days. Even re-installing MS Office was painless. I just searched with Google, then the MS page I clicked on served up a form with my information on it automatically and sent me an email with the product key when I clicked download. Obviously their server recognized this device. I cloned the MB to a small PassPort backup portable external hard drive and then used the MacBook normally in meetings next day. Very impressive service. We've come a long way from portable computing two decades ago.
Still a mystery why the installation would not complete at home, but problem resolved.

I have an old imac that won't upgrade to itunes ios5. Now i can't log my iphone 4s into it or access/ transfer anything from my previous iphone 3gs. Please advise

I have been told that my iMac jjust can not be upgraded to the software that supports ios5. Normally this is not a problem since its working just as well as the day I got it. However since it holds my itunes, now i have a problem of 1) can not access it with my ipad or my iphone 4s 2) i can not retrieve any of the pictures, songs etc that i had on my previous iphone 3gs and consequently 3) i can not use icloud. I have considered transferring my itunes to a pc but i hate the pc experience and if i would plug in my 3gs into that itunes it would format the phone and erase all content on it. So far i have been told that the only option is to buy a new mac. This is very frustrating because i don't really need one and i should not be excluded from apple services for my new products simply because macs become somehow "un-upgradeable" after a while. Not to mention, that i do not have the funds atm. I really hope the is another way out there for people like me and that i don't have to worry about my mac simply being inoperable (causing all my other apple devices to be crippled as well) after a few years.
Thank you,
Tina

Glenn,
I tried upgrading to leopard, even bought the software and brought it home but it wouldn't let me. So i went back to apple, gave them the specifications of the machine and been told my machine is simply too old for leopard. This is incredible to me because it really isn't THAT old (i think just a little over 6 years maybe) and yet i'm left out on the curb when it comes to using newer apple products. I understand technology moves on but the mindset that i am supposed to dump a perfectly working machine after a couple of years or face not being able to use any other apple product is counter to what thought apple was about.

IMac 20" Mid 2007: Upgraded to 10.6.4 - Now having display issues

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