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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

PowerBook - Power book G4 Not charging


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nelo36

 
Member Since: Sep 28, 2009
Location: liverpool uk
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Hi Have just received a brand new battery i bought from e bay
but when i put it in and check system i see this screenshot

screen says power connected but does not show that its charging

can any one advise any thing that can be done to fix this problem

thanks
in advance

nelo36
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csegeek

 
Member Since: Jun 11, 2009
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I would try the things listed in the basic trouble shooting article

The Notebook "Instant Fixes" Thread

- Battery charging problems
- Sudden loss of power whilst running off battery
- iBook refuses to switch on
then you might need to reset the PRAM (Parameter RAM) or the PMU (Power Management Unit).

To reset the PRAM, hold Apple-Option-P-R simultaneously at the Apple logo.
To reset the PMU, hold down “Shift-Control-Option-Power “.

Ce's GeekBook PC guru wana Be turned Mac geek
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nelo36

 
Member Since: Sep 28, 2009
Location: liverpool uk
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thanks for pointer cse geek dont really know what buttons are what ref PMU and PRAM resets

could you advise which button is which


thanks
nelo
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deus_ex_machina

 
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deus_ex_machina is just really nicedeus_ex_machina is just really nicedeus_ex_machina is just really nicedeus_ex_machina is just really nicedeus_ex_machina is just really nice
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Apple = Command key with this symbol: ⌘

Option = Alt key

for the PRAM, hold it until you hear it chime twice, then release the keys.
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nelo36

 
Member Since: Sep 28, 2009
Location: liverpool uk
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thanks deus have tried both but still not charging
pmu worked date changed
but PRAM reset i don't know shut down power up wait for apple logo pressed command option p+r no chime just started as normal
i dont know what else to try any help would be much appreciated
many thanks

nelo36
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csegeek

 
Member Since: Jun 11, 2009
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try this
power off ...

power back on and before the apple ding
hold down all of these keys

cmd (apple) opt and the o and f key

this should bring you to an open firmwar command prompt

Type in

reset-nvram and hit enter

then

reset-all and hit enter .. it should reboot.

see if that helps

Ce's GeekBook PC guru wana Be turned Mac geek
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nelo36

 
Member Since: Sep 28, 2009
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hi cse geek treid the nv reset rebooted but still no change profiler still states battery not charging brand new battery with no cycles and full health 5356mAh
dont want to kill new battery if i use without mains lead and battery runs out and cant re charge
any one have any other ideas

many thanks

nelo36
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nelo36

 
Member Since: Sep 28, 2009
Location: liverpool uk
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success many thanks t cse geek did a refresh on profiler unplugged power let use battery for 2 mins plugged power back in and refresh and we are charging

many thanks
nelo36
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csegeek

 
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rock on .. hopefully you are good to go ... with no other issues.. gotta love those PowerBooks..

Ce's GeekBook PC guru wana Be turned Mac geek
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nelo36

 
Member Since: Sep 28, 2009
Location: liverpool uk
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first one ive owned windows for years use pc in work PBG4 at home

thanks again

nelo36
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