Re: Video Oddness

[aechmea]

I have a G4 iMac which had similar problems, particularly the odd
artefact, menu bar not rendered and old screen images still present
until you open another window over them.  It was worse when it got
warmer (summer) but ran almost all winter without a problem.
Eventually it got worse and worse until it finally gave in.

It was a Vram problem. Hardware diagnostic program on the boot/instal
CD (OSX 10.2?) found the problem.  Replaced mother board (to which
Vram and Video is soldered in the case of the iMac).  Has worked
perfectly since.
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Re: Upgrading the OS on an iMac700

[aechmea]

On Nov 8, 4:57 pm, Kris Tilford [EMAIL PROTECTED] wrote:
  On Sat, Nov 8, 2008 at 12:25 AM, aechmea [EMAIL PROTECTED]  
  wrote:

  Sorry Jim and others, I wasnt clear enough.  My iMac is actually a G4
  - the LCD on a stick in the half snowball.  I have a feeling that  
  10.5
  will work since it's a G4.  But will 10.5 actually work nicely or  
  just
  plod along.

 On Nov 7, 2008, at 11:47 PM, Marty Levine replied:

  Im running 10.5 on an eMac 700 right now and normaly on a 450mhz
  sawtooth.  Its not a speed demon but its useable.  Tiger might be
  faster though.

 I just posted results of downgrading a 1.67 GHz G4 PowerBook from  
 10.5.5 to 10.4.11. There was about a 20% speed increase across the  
 board for 10.4.11. This is a noticeable amount of speed and Tiger  
 seemed much quicker. I don't think that Leopard offers anything worth  
 a 20% speed hit. Your iMac won't support Core Image or Core Animation,  
 so that basically leaves Spaces  Stacks (both just eye candy), and  
 Time Machine (buggy and doesn't seem reliable). I've got Macs running  
 both Leopard and Tiger, I'd stick with Tiger on you G4 iMac.

OK, thats good. I didnt particularly want Leopard on the iMac, but I
just happened to have a retail DVD and a nonspecific one, so it would
have been a no-cost solution.

The 3 Tigers that I have would appear by their label to be machine
specific.  Maybe the G5 one would have a chance of installing on the
iMac, but I doubt that the Macbook or the Intel versions would work.
Looks like I need to search for a retail Tiger.

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Re: Upgrading the OS on an iMac700

[aechmea]

Sorry Jim and others, I wasnt clear enough.  My iMac is actually a G4
- the LCD on a stick in the half snowball.  I have a feeling that 10.5
will work since it's a G4.  But will 10.5 actually work nicely or just
plod along.



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