My late 2008 Macbook aluminium is running hot

i already upgrade to 8GB 1333 Ram and 120GB SSD+500GB harddrive (remove dvd).
when open software like new macbook pro 2012. but if running heavy software then will Hot.
68°C will runing 5000-6500rpm...i scare overheat...
if original is 2.0Ghz intel core 2 duo cpu and 2GB 1066mhz ram..when install mountain lion will very slow , and always lag....
after upgrade my macbook late 2008 aluminium..running perfect like new macbook pro 2012. only Temperature problem running heavy software..
so any body can share u opinion.....
Thank You,
by raytooth

First step I take is to make a list of the Apps I have installed that I want in the new setup as well as any irreplaceable folder/files you do not want to lose. Pretty much everything you need is in your User folder but creating the full bootable image will create a copy of everything on your hard drive just incase. A full image with CCC or SuperDuper can also be used to get your system back to square one if things go bad. Time Machine is also a good source to recover data, but I would use one of the other programs so you'll have multiple backups I found it also works best if you use the exact same user name on the new system to prevent file permissions issues.
Read http://support.apple.com/kb/HT2980 for the important stuff. It is out dated but still applies in Lion. iCloud also makes short work out of this as well. On first boot ML asks for your Apple ID, if you are using iCloud syncing Contacts, Calendars/Reminders, Notes and Safari Bookmarks will automatically get restored. All I had to do was replace my email folders and preference files for the hard stuff. On top of that copying from the back up your Documents folder, the Music/iTunes folder is all that is needed for iTunes and Pictures/iPhoto Library restored my iPhoto pictures.
Then go out onto the net and download fresh installs for any third party apps you may use. A quick Google search will generally find any data or other files you need to recover that may be hidden in the file system. It sounds tougher than it is and once you've done it it will be much quicker and easier down the road when you have to do it again. I'm sure I missed lot of info here but check and double check that you have all the data you want back on your new setup before wiping any of your back up drives, give it a few weeks before you commit the drives to backing up your new system.

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My late 2008 Macbook Pro is running hot with Mountain Lion

I've seen a few messages on here and on other sites about people's MBP's running about 5 to 10degC hotter after installing Mountain Lion.
I've had Mountain Lion for a good 5 days and I've seen no improvement. I've fixed permissions using Onyx, I've reset the PRAM and the SMC and I've also gone through all of my apps to update any that do not run on Mountain Lion.
No improvement.
As I sit here now and type, my MBP is running at 66degC and the fan is at 3000rpm.....I then use smc control to ramp the fan up to 6000rpm.....the temperature drops to around 62degC.....I then set the fanspeed to default. About 2 minutes later, the temperature increases and the fan automatically ramps up again to around 3000rpm. Ive also updated Adobe Flash.
I only have Transmission and Safari open - that's it. Nothing else.
Does anybody have any idea how to resolve this issue or do I need to hold tight and wait for Apple to acknowledge it and issue a corrective patch? Or simply, is it that my machine is on it's deathbed? It worked okay with Lion!
I am almost convinced that Apple are upgrading these new OSX in a way so that we all have to keep going out and buying new MBP's - this isn't going to happen. I will downgrade back to Lion, and then Snow Leopard, if I have to. I will get my full money's worth with this laptop, and then I might consider going back to Windows.....
Any suggestions would be appreciated.
Thanks

First step I take is to make a list of the Apps I have installed that I want in the new setup as well as any irreplaceable folder/files you do not want to lose. Pretty much everything you need is in your User folder but creating the full bootable image will create a copy of everything on your hard drive just incase. A full image with CCC or SuperDuper can also be used to get your system back to square one if things go bad. Time Machine is also a good source to recover data, but I would use one of the other programs so you'll have multiple backups I found it also works best if you use the exact same user name on the new system to prevent file permissions issues.
Read http://support.apple.com/kb/HT2980 for the important stuff. It is out dated but still applies in Lion. iCloud also makes short work out of this as well. On first boot ML asks for your Apple ID, if you are using iCloud syncing Contacts, Calendars/Reminders, Notes and Safari Bookmarks will automatically get restored. All I had to do was replace my email folders and preference files for the hard stuff. On top of that copying from the back up your Documents folder, the Music/iTunes folder is all that is needed for iTunes and Pictures/iPhoto Library restored my iPhoto pictures.
Then go out onto the net and download fresh installs for any third party apps you may use. A quick Google search will generally find any data or other files you need to recover that may be hidden in the file system. It sounds tougher than it is and once you've done it it will be much quicker and easier down the road when you have to do it again. I'm sure I missed lot of info here but check and double check that you have all the data you want back on your new setup before wiping any of your back up drives, give it a few weeks before you commit the drives to backing up your new system.

How do I stop my 2008 Macbook from constantly running hot?

I have a Macbook 13" early 2008 model (NOT pro) running on Snow Leopard that is constantly hot with the fan being exceptionally loud from the first minute of use until I put it in sleep mode or shut it down, especially when running flash, silverlight, watching videos/movies, playing music (which must be on loud to compensate for the loudness of the fan), etc.
I recently took the following steps to a more permanent solution to the problem, with no luck:
Upgraded from Leopard to SL.
Installed extra memory (I now have 4GB ram instead of 2GB).
Deleted many items to ensure more available space on the computer (now have about 70GB free).
Opened up the laptop and cleaned the inside of dust (there was quite a lot after 5 years!). I also disconnected the fan and carefully cleaned this of dust as well (no components were harmed during the cleaning).
These steps have not been effective - in fact they do not seem to have made any difference to my heat problem. The only differences in my computer's performance are the obvious changes that come with upgrading from Leopard to SL, and that startup is about 10 seconds quicker (after installing more ram). My laptop is, in fact, scolding hot underneat and sounds like a jet taking off this very minute as I'm writing this question.
PLEASE if you have any solution for me at all (hopefully inexpensive, as I've been through quite a few expensive steps already) write them here and help me with my problem! I've had this issue for the last year or two, and am tired of not being able to have my LAPtop on my LAP because it will burn me.
Thank you!

Thanks for the suggestions Mike.
However, like I stated before, it's not just those activities that make it run extremely hot - even something as simple as writing this entry makes my computer feel like it's on fire and sound like plane engine. That's not normal.
I should have included in my question that I already have reset the SMC.. twice... Using the exact method you describe in your answer. Power off, remove MagSafe and battery, hold power button, reverse the steps and turn back on.
I also have been using a usb-connected cooling pad with three fans for the past year. It does prevent the laptop from heat of the laptop from touching me directly, thus making it less uncomfortable, however the computer still runs just as hot when on the cooling pad and also just as loud. I'm looking for a permanent solution.
But thank you for trying to help

2008 macbook pro fan runs hot

My mac runs really hot, is there something I can update in the OS to help fix this? The monitor is starting to separate from the back (seriously) form the heat. I use my mac a LOT and I have two small kids so it's been bumped around a few times, so who knows if that had something to do with it and I plan to take it to apple to have it looked at (after I back it up this week) but was wondering if there was a fix for it running hot. It almost burns my fingers above the keyboard at the top if I touch it when it is running hot (if I have a lot going, illustrator, photoshop, dreamweaver etc).
- b

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Another temporary fix that I found elsewhere in the discussions is to shut the MBP down, remove the battery and disconnect the power cord, then press the power button for 5 seconds. Re-install the battery, then boot. This supposedly does a partial reset of the PMU (Power Management Unit.)
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I have a late-2008 macbook that is running 10.5.8. I also have a newer macbook that came with snow leopard. Can I use the install disk that came with the newer macbook to update my older macbook?

Also, when upgrading from Leopard to Snow Leopard, will I lose all the data that is currently on my hard drive?

No, that SL disk is meant for the computer it came with only.
Upgrading to SL generally will not cause data loss, but you should have a backup of your important files in any case.
You can get a Snow Leopard disk by calling Apple - in the USA it's 800-MY-APPLE.
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I have a late 2008 Macbook Pro, I am trying to run MW3 but it will not work without crashing a few minuets into the game. The general specs on my computer are a dual processor 2.53 ghz. 4 gb ram and a NVIDIA geforce 9400 (9600 is the alternate card).
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I have been unable to update firmware on this computer for about a year now. Im not sure why.
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Why don't you take your 'old' MBP into your local Apple Store and have them check out everything that's wrong with it - and I mean everything? Then, when you get an estimate about how much it would cost to get the machine completely repaired, ask about the Apple flat-rate repair pricing?
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8 GB or more of available space
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Crucial
Other World Computing
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Renewing a Late 2008 MacBook Pro: hard drive and battery substitution

Hi all,
I am an happy user of a late 2008 MacBook pro.
However, with the passing of time, it became slow and the battery also deteriorate (it still quite OK, but it is not like at the beginning).
But let's start from the beginning: the hard drive
By googling for a while, I noticed that several people experienced very slow performance of their late 2008 MacBook Pro. That is also my case. Apparently, this is due to the hard disk which is dying, and then I considering to change it. However, I haven't found answers to these questions:
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- I only have the original installation disks of the first Leopard. I made all the updates through the network. Moreover, since it passed lot of time, I am afraid that some sector of the installation disks may be damaged. This means that I may fail in the installation of Mac Os X on the new hard drive. If I have to reinstall everything from scratch with the new hard drive and without installation disks, how should I do?
- If I go a Mac Reseller shop, will do they perform this operation? And how much does it costs to make it? Or I may also go to some generic computer reparation guy?
- Is it convenient to save all the data (movies, documents, pictures, emails, etc) somewhere (e.g. external HD) and then perform a completely new installation?
Next, let's consider the battery.
Here is a screenshot taken with iStat Pro:
Do you think it is worth changing it? From System Profile I have those other info:
Full charge capacity (mAh):          3386
       Current (mA):          846
       Voltage (mV):          12029
Condition:          Replace soon
What do you suggest to do then? How much does it cost a new battery? Actually, I think that also the processor performance deteriorate (it often becomes very hot, especially when watching Flash or Silverlight stuff), but, unfortunately I cannot change it.

Hi!
Thanks for all the answer. Please let me to resume this old and interesting discussion.
After having evaluated several solutions (including NAS, different ways of backup, etc) I bought an external firewire HDD, since I believe it nicely fits my necessities. Next, after these holidays, I will finally replace my old HDD with a SSD one. I think 120 GB are ok. I just need the apps and small-sized documents (rather LaTeX, Matlab, word, pages or excel documents, etc. - no movies or mp3 (I have Spotify, for that) ). Large files (e.g. movies, pictures, etc) may end up in external firewire HDD.
Now, let's consider the OS. I currently have 10.6.8 and I am very satisfied of that. I find it very stable, and all the apps I need are still well supported. On the other hand, given that there are like 5 years that I have the same installation, I may have a lot of obsolete files and setting that I can safely remove. This means that once I will have performed a backup of my documents, my email, my pictures etc. I can safely throw away all the rest. Hence, I may perform a brand-new installation of the OS. Although I am happy with 10.6.8, I was wondering if it is worth to upgrade it (I have a 2.53 Ghz Intel Core 2 Duo - 4 GB 1067 Mhz DDR3 RAM) to Lion, Mountain Lion or Mavricks. In that case, which would be the real benefits? And what about the cons?
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My late 2008 Macbook aluminium is running hot

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