Filter
Top Products
iMac (24-inch Mid 2007) Take Apart — Symptom Charts 219
Hard Drive Issues
Note: The following information is for Intel-based and PPC Macintosh drive compatibility
Drives to be used in booting Intel-based Macintosh hardware should be formatted and •
partitioned with an Intel-based Macintosh disk utility running on Intel-based Macintosh
hardware. That should ensure you get the correct default partition map and structure for
reliable booting.
Intel-based Macintosh CPUs in Target Disc Mode will only mount on PPC machines running •
Mac OS X 10.4.10 or later, and may show one contiguous partition rather than separate
partitions on the host machine.
Always make sure to use the OS that came with the machine if you need to reinstall software •
(ask the customer for the discs if necessary), and the diagnostics specically designated for
that hardware.
System hangs during normal startup process.
1. Make sure all software updates have been applied to the computer. Refer to KBase article
303903, Intel-based iMac: Installing available updates , and to Apple Downloads for all
available updates for the iMac (Mid 2007) model of computers. If this doesn’t solve the issue, go
on to the next step.
2. Boot from the system CD that came with the computer. Use Disk Utility to verify the hard drive.
3. Using Disk Utility, reformat the hard drive.
4. Check all cable connections to and from the hard drive.
5. Replace the hard drive data cable.
6. Replace the hard drive.
7. Replace the logic board.
Fails Apple Hardware Test for HD Temp Sensor, System Noisy
Make sure the LCD temp sensor cable is connected to the sensor on the back of the LCD 1.
panel.
Make sure the LCD temp sensor cable is fully inserted into the connector on the bottom left 2.
side of the logic board.