Re: Replacing power supply G4 MMD

2009-08-29 Thread mkehoe

I repaired permissions, and the desktop issue was resolved.  After I
press the internal re-set button for a few seconds, I can then press
the external button(switch) and the computer will boot up. I will try
replacing the power supply.  The locall Apple Store said the computer
is too old fort them to stock parts or repair.  Any ideas on where I
can verify the correct replacement power supply needed by my Power Mac
G4 MMD dual 867mz? I'd like to order one on-line and have someone help
me replace it.

Mira

 Not opening files is not a PRAM battery issue.  As a general rule PRAM
 battery problems involve boot up.

 In the Desktop when you single click on an item is it selected?  Can you
 then open it using the File Menu Open command.

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Re: Replacing power supply G4 MMD

2009-08-28 Thread mkehoe

Thanks for the quick responses from all. My G4 is a 2002 dual 867mHz.
The battery was replaced a year ago by someone who was helping me with
my computer.  I wasn't having any problems, he just thought that after
6 years it was good to replace the battery.  But ... maybe I should
try replacing the battery first.  When I try to clic on an item on my
desktop, it won't open, but I can go to Desktop from Finder and open
the item from the list. I read up on possible issues when the battery
is low or failing, and this sounded like it could be caused by the
battery. It's good to hear that the power supply isn't too
complicated.  I can take things apart and put them back together. If
it starts from the re-set button inside the computer, it sounds like
it could either be the battery, the external switch (button) or the
power supply.  Is there an easy way to figure out which it might be,
or should I just start with the easiest/cheapest solution? Any
thoughts?


On Aug 27, 1:35 pm, Sam Macomber s...@macomber.com wrote:
 just taking parts out.  takes a little time to snake the wires out and  
 put the new ones back in.     Straight forward replacement though...

 A thought on the MDD power supplies though, I had a second one fail  
 Monday.   Only two so far,  but both were the last model MDDs made  
 (the 2003 single 1.25GHz non-FW800 ones) and both failed with in a  
 month of each other...    Think the PS in those were cheaper than the  
 earlier ones of which we have several (a pair of dual 1.25GHz and a  
 dual 867MHz)   none of the early machines power supplies have failed  
 at this point.

 -sam
 (after the boss comes back from vacation you may see a late model  
 1.25GHz MDD G4 for sale...  just needs a PS hehe)



  I've been told that the power supply probably needs replacing in my G4
  MMD.  Symptoms are: often, when trying to start up, nothing happens,
  and I have to press the re-set button inside the computer.  I have
  been just putting the computer to sleep to avoid this.
  Question:  How hard is it to replace the power supply?  Is it just
  taking out the drives, and unscrewing and screwing things in, or does
  it require soldering?

  Mira
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Re: Replacing power supply G4 MMD

2009-08-28 Thread Clark Martin

mkehoe wrote:
 Thanks for the quick responses from all. My G4 is a 2002 dual 867mHz.
 The battery was replaced a year ago by someone who was helping me with
 my computer.  I wasn't having any problems, he just thought that after
 6 years it was good to replace the battery.  But ... maybe I should
 try replacing the battery first.  When I try to clic on an item on my
 desktop, it won't open, but I can go to Desktop from Finder and open
 the item from the list. I read up on possible issues when the battery
 is low or failing, and this sounded like it could be caused by the
 battery. It's good to hear that the power supply isn't too
 complicated.  I can take things apart and put them back together. If
 it starts from the re-set button inside the computer, it sounds like
 it could either be the battery, the external switch (button) or the
 power supply.  Is there an easy way to figure out which it might be,
 or should I just start with the easiest/cheapest solution? Any
 thoughts?

Not opening files is not a PRAM battery issue.  As a general rule PRAM 
battery problems involve boot up.

In the Desktop when you single click on an item is it selected?  Can you 
then open it using the File Menu Open command.

-- 
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting

I'm a designated driver on the Information Super Highway

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Replacing power supply G4 MMD

2009-08-27 Thread mkehoe

I've been told that the power supply probably needs replacing in my G4
MMD.  Symptoms are: often, when trying to start up, nothing happens,
and I have to press the re-set button inside the computer.  I have
been just putting the computer to sleep to avoid this.
Question:  How hard is it to replace the power supply?  Is it just
taking out the drives, and unscrewing and screwing things in, or does
it require soldering?

Mira
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guide is at http://www.lowendmac.com/lists/netiquette.shtml
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Re: Replacing power supply G4 MMD

2009-08-27 Thread Sam Macomber

just taking parts out.  takes a little time to snake the wires out and  
put the new ones back in. Straight forward replacement though...

A thought on the MDD power supplies though, I had a second one fail  
Monday.   Only two so far,  but both were the last model MDDs made  
(the 2003 single 1.25GHz non-FW800 ones) and both failed with in a  
month of each other...Think the PS in those were cheaper than the  
earlier ones of which we have several (a pair of dual 1.25GHz and a  
dual 867MHz)   none of the early machines power supplies have failed  
at this point.

-sam
(after the boss comes back from vacation you may see a late model  
1.25GHz MDD G4 for sale...  just needs a PS hehe)


 I've been told that the power supply probably needs replacing in my G4
 MMD.  Symptoms are: often, when trying to start up, nothing happens,
 and I have to press the re-set button inside the computer.  I have
 been just putting the computer to sleep to avoid this.
 Question:  How hard is it to replace the power supply?  Is it just
 taking out the drives, and unscrewing and screwing things in, or does
 it require soldering?

 Mira
 



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Re: Replacing power supply G4 MMD

2009-08-27 Thread Dan

At 11:22 AM -0700 8/27/2009, mkehoe wrote:
I've been told that the power supply probably needs replacing in my G4
MMD.  Symptoms are: often, when trying to start up, nothing happens,
and I have to press the re-set button inside the computer.  I have
been just putting the computer to sleep to avoid this.

Have you tried replacing the pram battery?

How hard is it to replace the power supply?  Is it just
taking out the drives, and unscrewing and screwing things in, or does
it require soldering?

It's fairly easy.  No soldering.

- Dan.
-- 
- Psychoceramic Emeritus; South Jersey, USA, Earth.

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Re: Replacing power supply G4 MMD

2009-08-27 Thread Bill Christensen

At 11:22 AM -0700 8/27/09, mkehoe wrote:
I've been told that the power supply probably needs replacing in my G4
MMD.  Symptoms are: often, when trying to start up, nothing happens,
and I have to press the re-set button inside the computer.  I have
been just putting the computer to sleep to avoid this.
Question:  How hard is it to replace the power supply?  Is it just
taking out the drives, and unscrewing and screwing things in, or does
it require soldering?

If it restarts fine from the internal switch and not the front 
switch, it may be something as simple as a problem with the switch 
itself.


-- 
Bill Christensen
http://greenbuilder.com/contact/

Green Building Professionals Directory: http://directory.greenbuilder.com
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Books/videos/software: http://bookstore.greenbuilder.com/

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