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Current version by: Jen Morris ,

Title:

Will not boot, but only fan starts up. Dead DC board?

Text:

This iBook has been working fine for years, and began to behave strangely quite suddenly: the screen flashed and audio played.  At restart worked at first, then it crashed. We were able to run in FireWire mode to back up some files.  A subsequent attempt to startup from DVD failed (and the disk will not eject).

Now it will not boot at all:  no chime, no screen display, no FireWire disk mounting.  A fan starts when power button is pushed, and stops when pwr btn is held down for a few seconds.  Otherwise, nothing.  Tried keystrokes for PMU reset, no help.

The battery is good (4 lights) and AC adapter seems ok.  Could this be a DC board problem, or is logic board failure more likely?  What to test first?

Device:

iBook G4 14" 933 MHz-1.33 GHz

Status:

open

Accepted Answer:

110075

Edit by: Jen Morris ,

Title:

Will not boot, but only fan starts up. Dead DC board?

Text:

This iBook has been working fine for years, and began to behave strangely quite suddenly: the screen flashed and audio played.  At restart worked at first, then it crashed. We were able to run in FireWire mode to back up some files.  A subsequent attempt to startup from DVD failed (and the disk will not eject).

Now it will not boot at all:  no chime, no screen display, no FireWire disk mounting.  A fan starts when power button is pushed, and stops when pwr btn is held down for a few seconds.  Otherwise, nothing.  Tried keystrokes for PMU reset, no help.

The battery is good (4 lights) and AC adapter seems ok.  Could this be a DC board problem, or is logic board failure more likely?  What to test first?

Device:

iBook G4 14" 933 MHz-1.33 GHz

Status:

open

Accepted Answer:

110075

Edit by: Jen Morris ,

Title:

Will not boot, but only fan starts up. Dead DC board?

Text:

This iBook has been working fine for years, and began to behave strangely quite suddenly: the screen flashed and audio played.  At restart worked at first, then it crashed. We were able to run in FireWire mode to back up some files.  A subsequent attempt to startup from DVD failed (and the disk will not eject).

Now it will not boot at all:  no chime, no screen display, no FireWire disk mounting.  A fan starts when power button is pushed, and stops when pwr btn is held down for a few seconds.  Otherwise, nothing.  Tried keystrokes for PMU reset, no help.

The battery is good (4 lights) and AC adapter seems ok.  Could this be a DC board problem, or is logic board failure more likely?  What to test first?

Device:

iBook G4 14" 933 MHz-1.33 GHz

Status:

open

Accepted Answer:

110075

Edit by: Jen Morris ,

Title:

Will not boot, but only fan starts up. Dead DC board?

Text:

This iBook has been working fine for years, and began to behave strangely quite suddenly: the screen flashed and audio played. At restart worked at first, then it crashed. We were able to run in FireWire mode to back up some files. A subsequent attempt to startup from DVD failed (and the disk will not eject).
 
Now it will not boot at all: no chime, no screen display, no FireWire disk mounting. A fan starts when power button is pushed, and stops when pwr btn is held down for a few seconds. Otherwise, nothing. Tried keystrokes for PMU reset, no help.
Now it will not boot at all: no chime, no screen display, no FireWire disk mounting. A fan starts when power button is pushed, and stops when pwr btn is held down for a few seconds. Otherwise, nothing. Tried keystrokes for PMU reset, no help.
 
The battery is good (4 lights) and AC adapter seems ok. Could this be a DC board problem, or is logic board failure more likely? What to test first?

Device:

iBook G4 14" 933 MHz-1.33 GHz

Status:

open

Edit by: Jen Morris ,

Title:

Will not boot, but only fan stars upstarts up. Dead DC board?
Will not boot, but only fan stars upstarts up. Dead DC board?

Text:

This iBook has been working fine for years, and began to behave strangely quite suddenly: the screen flashed and audio played.  At restart worked at first, then it crashed. We were able to run in FireWire mode to back up some files.  A subsequent attempt to startup from DVD failed (and the disk will not eject).

Now it will not boot at all:  no chime, no screen display, no FireWire disk mounting.  A fan starts when power button is pushed, and stops when pwr btn is held down for a few seconds.  Otherwise, nothing.

The battery is good (4 lights) and AC adapter seems ok.  Could this be a DC board problem, or is logic board failure more likely?  What to test first?

Device:

iBook G4 14" 933 MHz-1.33 GHz

Status:

open

Original post by: Jen Morris ,

Title:

Will not boot, but only fan stars up?

Text:

This iBook has been working fine for years, and began to behave strangely quite suddenly: the screen flashed and audio played.  At restart worked at first, then it crashed. We were able to run in FireWire mode to back up some files.  A subsequent attempt to startup from DVD failed (and the disk will not eject).

Now it will not boot at all:  no chime, no screen display, no FireWire disk mounting.  A fan starts when power button is pushed, and stops when pwr btn is held down for a few seconds.  Otherwise, nothing.

The battery is good (4 lights) and AC adapter seems ok.  Could this be a DC board problem, or is logic board failure more likely?  What to test first?

Device:

iBook G4 14" 933 MHz-1.33 GHz

Status:

open