Common Data Loss Symptoms
When
I turn on my Mac I just get a gray screen and it does not start.
-
Hardware incompatibility. Check
the hardware attached to the computer.
- Firmware incompatibility. Check the firmware
versions of the hardware attached to the computer for compatibility
with your Mac.
- Hard drive malfunction. The hard drive requires
physical data recovery.
When I turn on my Mac I get a folder with a question-mark
in the middle.
- Startup device is not set. Wait
a few seconds and your Mac will find a startup device. Set the startup
device in your System Preferences. Or, hold down the "Option" key
when starting your Mac and select the proper startup device.
- File system corruption. The file system is in need of recovery.
- Hard drive malfunction. The hard drive requires physical data
recovery.
When I turn on my
Mac I get a "broken folder" or "prohibitory
sign."
- NVRAM reset required. Reset the NVRAM and setup the startup drive.
- File system corruption. The file system is in need of recovery
and reinstallation.
When I turn on my Mac I get an empty blue screen
with or without a progress indicator.
- Hardware incompatibility. Check the hardware attached to the computer.
- Corrupt or missing software. The corrupt or missing software must
be repaired or reinstalled.
- File system corruption. The file system is in need of recovery
and reinstallation.
When I turn on my
Mac I get a "kernel panic."
- NVRAM reset required. Reset the NVRAM and setup the startup drive.
- File system corruption. The file system is in need of recovery
and reinstallation.
- Hardware incompatibility. Check the hardware attached to the computer.
When I turn on my Mac it boots into Unix.
- File system corruption. The file system is in need of recovery
and reinstallation.
I can no longer see a hard drive attached to my
computer. It does not mount on my desktop, but it does appear in the
System Profiler or Disk Utility.
- File system corruption. The file system is in need of recovery
and reinstallation.
- Hard drive overwritten. The hard drive has been overwritten with
another file system. The original data must be recovered.
- Hard drive malfunction. This
may signal the beginnings of a physical failure of the hard drive.
It is, however, a good sign that the hard drive can been seen in
Disk Utility.
I can no longer see a hard drive attached to my
computer. It does not mount on my desktop, nor does it appear in the
System Profiler or Disk Utility.
- Hard drive malfunction. The hard drive requires physical data
recovery.
- Hardware incompatibility
or malfunction. The hard drive is connected
to a malfunctioning port or device.
I can no longer see a hard drive attached to my
computer. The hard drive is making a clicking or grinding noise.
- Hard drive malfunction. The
hard drive requires physical data recovery. Any clicking or strange
noises from the hard drive are very good indicators of a serious
physical failure.
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