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So did the update fix the 4850 problems?

Ya, the machine is somehow running cooler now. Previously the top of the Mac would be hot even with just light web surfing, email, etc.

Not it's actually cool to the touch a good 20-30 mins into power up.

The only thing I noticed is some trouble getting the Mac to sleep and I still have the popping speaker problem when the machine does certain things.

Other than that everything is great.
 
Bad Paper said:
My iMac w/ 4850 has never frozen. Should I install this update?
Click to expand...

My iMac never froze up either and I installed, primarily because it fixes a few other things too, and we don't always know everything Apple puts into such a fix.
 
After two days of using it after the update, it's been working great so far. No freezes yet, and the fan is not spinning any faster, or noticeably louder. Nor it experiences any noticeably slowdown. Booting time is fast as usual. I am impressed by Apple's fast respond, but I will wait a bit before I vote yes, just in case. ;)
 
I have to say, I remember putting my hand on top of the imac pre-fix, and it I felt like I could cook some eggs on it.

Now I put my hand on top of it, and it's just warm.
 
Okay, so i got my imac back from the apple store. The same one that said it was a third party software issue causingthe crashes.

I go to install this EFI Firmware update, but before I do I check my Boot ROM to see what it was to make sure I can see the change.

It already has the "new" Boot ROM that Apple says it will after the update.

Should I still install or should I assume that they installed it and just neglected to tell me.

Does anyone know what the old Boot ROM was? Was it always the same for some people?

HHM
 
Hard-Hat-Mac said:
Okay, so i got my imac back from the apple store. The same one that said it was a third party software issue causingthe crashes.

I go to install this EFI Firmware update, but before I do I check my Boot ROM to see what it was to make sure I can see the change.

It already has the "new" Boot ROM that Apple says it will after the update.

Should I still install or should I assume that they installed it and just neglected to tell me.

Does anyone know what the old Boot ROM was? Was it always the same for some people?

HHM
Click to expand...

Here is what you do. Use software update to get the firmware. Software update will not install the update by itself. Instead, when it is done, it will automatically open the firmware updating program, which will then check to see if you have the firmware. If it already does, it will not let you continue with the update, and will probably give you a box saying "Your computer's firmware is up-to-date with version 1.4 of the iMac EFI Firmware Update.". So just try it. It won't let you get past the last step if you already have it.
 
any backstory for those show voted the firmware didn't fix the freezign problems?

I reckon the first 3 can be invalidated.. Now I see there are 8?
 
It should have been made a public poll with their name shown so that people couldn't pump up the votes.
 
larrymarshall2 said:
update is available for me, will install now!

Ok so installed it, will turn on wifi now. so far no lockups but it's only been 2 min :D

Note to people who install. It's a little scary because when you turn the computer back on from installing the firmware, it emits a loud, high pitch that i couldnt control the volume of for about 3-5 seconds. then it stays black for 30 secs before installing with a progress bar. All these notes, except for the loud sound, is including in the notes so it's normal.

Next note: Before the update, I was unable to get safari, or software update to work through wifi. I can now do both!
Click to expand...

Well, I never experienced lock ups with my 2.93 iMac, although I never played games with maxed out options. I did play several HD movie trailers with no problem.
My problem is the Airport card,which will not work properly with Safari or Software Update. The transfer rates were very low, about 10-15 KB/sec, whereas I could download via Ethernet at 1.5 MB/sec. (and it's not my wireless router, cause my MacBook will download wirelessly at a very high speed).
Has anyone else (especially larrymarshall2 who commented on wifi problems) encountered similar problems, and were they resolved after the firmware update?
Thanks
George
 
Well, I am not sure whether it did fix the problem but yesterday night I got a rude shock. My pointer just stopped moving suddently while I was net-surfing and listening to music with iTunes, and my wireless mouse failed to work. Same with my wireless keyboard. Switching off and on the mouse won't work either. Although it was not a true freeze as the Itunes continue to play, it was as good as one.

It was not the first time above has happened.
 
rikun said:
Well, I am not sure whether it did fix the problem but yesterday night I got a rude shock. My pointer just stopped moving suddently while I was net-surfing and listening to music with iTunes, and my wireless mouse failed to work. Same with my wireless keyboard. Switching off and on the mouse won't work either. Although it was not a true freeze as the Itunes continue to play, it was as good as one.

It was not the first time above has happened.
Click to expand...

Should've plugged in a wired mouse or keyboard obviously to further troubleshoot.
 
jmpage2 said:
It should have been made a public poll with their name shown so that people couldn't pump up the votes.
Click to expand...

It is a public poll, are you oxygen deprived this AM?

Simply click the hyperlink under the # of votes and then whenever you re-visit the page the names are auto displayed.
 

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jmpage2 said:
It should have been made a public poll with their name shown so that people couldn't pump up the votes.
Click to expand...

Not all were trying to pump up the votes; some were newbies who didn't know better or were too lazy to click to view results instead of taking a vote in order to view them. It's a non-scientific poll after all.
 
There are a couple of posts on the Apple discussion forums where people say there machines are still freezing after the update albeit less often.

I've had no freezes in the 5 days since the update. Also got a free shuffle as a bit of compensation :cool:
 
Fixed for me...

but I don't want to say "thank you Apple"...this is really a big mistake made by apple engineers.
 
+++

Seems as if egg-frying heatups correlated with the freezeups. ;)

Is this anything like how
Global Warming can make Climate Temps go down sometimes?
(oh? you didn't hear that one?) ;)

+++

What actually was the problem? Hot Component(s)? Wimpy Fan? Both?

In our Post Heat/Freeze problem Era,
are there any more unresolved '09 iMac issues?

Disobedient Pixels?

Something else not working sometimes?

+++
 
rikun said:
Well, I am not sure whether it did fix the problem but yesterday night I got a rude shock. My pointer just stopped moving suddently while I was net-surfing and listening to music with iTunes, and my wireless mouse failed to work. Same with my wireless keyboard. Switching off and on the mouse won't work either. Although it was not a true freeze as the Itunes continue to play, it was as good as one.

It was not the first time above has happened.
Click to expand...

I was one that reported/voted that the firmware fix did not work, as this is exactly what happened to me (although I didn't have any music playing, so it appeared like a true freeze). I have had this occur two times, but the second time I had the knowledge of the bluetooth mouse and keyboard problem. Sure enough, I put the iMac to sleep and both keyboard and mouse responded again.

I take back my negative vote.
 
It wasn't just the heat. I tried a fan hack, which cooled the whole innards down about 10°C still crashed. post firm- the temps are staying about the same and (fingers crossed) no crashing. Fan speeds are a little faster I can hear them now (not a bad thing) and iStat tells me so, but not really dropping the ° much. o, best part= not having to wait very long for the fix. what was it I was reading for the last iMacs 5 months? Other than the freezing seems to be running like a champ.
*knock*
*wood*
 
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