"Instant on" from sleep with adapater

G'day,
I've been getting mixed information about my girlfriends powerbook. Its a 15-inch Al.G4 1.25(M8981LL/A), over the past year its been having some problems. And has had a number of parts replaced, the logic board (twice), power adapter, track pad, screen, the part that the power adapter plugs into, the hard drive, the battery and the top case. Why have these parts been replaced, well I'm not 100% sure exactly..
but in any case, the laptop now doesn't 'instant on'.
For example if we run the battery flat and then connect in the power adapter it takes a few minutes before we are able to turn it back on. Using a third-party program, I believe it waits until the battery charges up to 10% before allowing the laptop to turn on. We are now being told by a different service centre that this is normal.
Firstly, is it normal?
Secondly, at one stage the power adapter was replaced and we were given a 45watt power adapter - I'm unsure what the first power adapter wattage was.Is it possible that whilst this is a high enough wattage to run the laptop and charge the battery, its not high enough to do so when the battery is flat ?
If any one knows anything - please help!
As this has been driving us insane
15-inch Al.G4 1.25(M8981LL/A)    

G'day,
I've been getting mixed information about my girlfriends powerbook. Its a 15-inch Al.G4 1.25(M8981LL/A), over the past year its been having some problems. And has had a number of parts replaced, the logic board (twice), power adapter, track pad, screen, the part that the power adapter plugs into, the hard drive, the battery and the top case. Why have these parts been replaced, well I'm not 100% sure exactly..
but in any case, the laptop now doesn't 'instant on'.
For example if we run the battery flat and then connect in the power adapter it takes a few minutes before we are able to turn it back on. Using a third-party program, I believe it waits until the battery charges up to 10% before allowing the laptop to turn on. We are now being told by a different service centre that this is normal.
Firstly, is it normal?
Secondly, at one stage the power adapter was replaced and we were given a 45watt power adapter - I'm unsure what the first power adapter wattage was.Is it possible that whilst this is a high enough wattage to run the laptop and charge the battery, its not high enough to do so when the battery is flat ?
If any one knows anything - please help!
As this has been driving us insane
15-inch Al.G4 1.25(M8981LL/A)    

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