Retina 2.3ghz or normal MacBook pro 2.6ghz ?

I am buying a new MacBook pro soon ,but I don't know which should I buy ><
I normaly use for parallel desktop (3d max ),photo shop ,autocad and I am a architecture student
So which one should I buy
Retina 2.3 ghz 256gb flash or normal MacBook 2.6ghz 750gb ? ?

Since I own a Retina - i would suggest you go for it.
But since you're using it for Photoshop - the go with the non-Retina - Photoshop doesn't look that great in the Retina at the moment - not apple's fault - adobe hasn't released an update yet. Same goes with Microsoft Office.
One advantage of going Retina is the screen - looks great and videos are vibrant.
I still however, suggest you go with the non-Retina for the hard drive space and the speed of the 2.6GHz. You'll need the extra speed for what you'll be using it for and you'll need the storage space.
256GB flash might not be enough for you - you can upgrade it now via third party but will void your warranty if you decide to do so since Apple considers the Retina as a sealed unit.
So stick with the non-Retina for now.
good luck

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Can i update osx mountain lion to old macbook pro 2.6ghz

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<Edited By Host>

Probably - this is what I 'found' in MacTracker:
...and that's what that Apple Serial Number website pulled up for that serial number. We'll have to wait for the OP to clarify!
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Message was edited by: clintonfrombirmingham

Upgraded 2012 MACBOOK PRO 2.6Ghz 8GB RAM 750 GB an alternate for RETINA MBP 15 or NOT?How good is its potential, reliability ?

I am a student and an aspiring filmmaker.I am also into digital cinematography (Canon 550D) and now will be venturing into editing. I am in DIRE NEED of help
I have a few problems regarding the purchase of Macbook pro.I live in Kolkata(India).I have been waiting for the past 1 and a half years to buy a Mac but after the release of Retina Macbook pro 15.I am left confused. Its near unupgradability and unreparibility rumors, delayed delivery, and 1st generation hardware issues especially the lack of Optical drive made me reconsider my decision of buying one.
I want to know whether I can go for the top model of Non Retina - 2.6Ghz 8GB RAM 750 GB 1 GB Nvidea as an alternate choice for Retina MBP pro or NOT ?
1.I wanted to buy the Retina Base model. Though it is very recently launched and there is a big risk buying it because they say it is unrepairable and unfixable as 'everything is glued into the motherboard' dialogue scares me. Something goes wrong after purchase and they send it back to US, is what the Apple officials said. Moreover they don’t keep one on a demo at Apple stores in kolkata. I have searched almost everywhere and have been to many resellers in my city but no use.
NOW,I am very sceptical about custom ordering a Macbook 15 non retina with High-Res 1680X1050p from US.I don’t know how much custom duty or expenses I have to pay and is it safe or not. Time is also a factor. Sadly, I have to buy one in Kolkata (my city) it seems.
2. I am opting for Macbook Pro 15,2.6 Ghz,8GB RAM. Buying it for the sole purpose of editing(audio, video, photos).I need something which is fast along with a good screen size. My original decision was to buy the 17inch but after the launch of Retina and the upgraded 15 inch, I am only looking forward to the upgraded models. Many say 13 inch is fast, but it features a dual core with a maximum of 2.9Ghz clockspeed. I on the other hand want a quad core i7 with good upgradability options and a good screen size. The 13 inch may be a favorite for many, but I want nothing less than a 15 inch. One good option I get with non Retina 15 is its upgradability, while many say Retina MBP 15 can be made upgradable in future but that time is yet to come and by the time the whole web becomes ‘retina friendly’ and all applications supporting its 2880X1800 resolution, I may end up waiting only. Yes the picture quality remains unbeatable when compared to Retina Pro and it will always be. Though friends, I am a student, I want something which is fast, can run almost anything and future dependable. Retina Mac book Pro in India is 2799 USD - Base model. I cannot pay that amount just for the screen. As far as speed is concerned, I plan to get an OWC SSD and a 16 GB OWC RAM in the future resulting in greater speed when comparing the configuration with Retina 15.That problem is solved.
My problem here is this: The web is filled with reviews and videos of Retina Macbook Pro and the upgraded Macbook Pro 15 is just no where, if you even find a few videos, they only feature unboxing videos of Macbook pro 15 (i7-2.3Ghz-4GB-500GB-500MB Nvidea).Other videos compare the 2.3ghz model with Retina 15 pro. They are not elaborate like the 15 Retina Pro reviews.
1. I want to know about the real performance, potential, pros, cons of Macbook Pro 15 (i7 2.6Ghz 8GB RAM 750 GB 1GB Nvidea graphics).
So my question to you is what is your opinion on the 15 inch non retina ? HOW FAST do you think is the new upgraded 15inch non retina i7-2.6Ghz-8GB-750GB model really is ?I have read on many mac forums and seen on a particular youtube video that 15inch 2.3Ghz model takes an alarming 40 seconds to start because of traditional hard drive ! A normal DELL Inspiron starts at 15 secs max with i3+4 GB RAM and this particularly confuses me about the whole quad core processing and stuff and speed when running applications like C6,FCP,Lightroom etc is to be determined in regard to the model I want to buy.
2. Is it necessary to buy APPLE CARE WARRANTY when buying a laptop from Apple.What are the benefits and how is it different form the normal customer care ?
3. Please enlighten me on some nice headphones from Sennheizer under 90 USD.I am considering Sennheiser HD 439.I am not a bass freak and I want something to use for listening to voice, loud clear. In short, a headphone for all purpose. I heard the HD 449 is not that good compared to HD 439.They say it is Jazz oriented. Another confusion !
Finally, If you know anyone who knows about this configuration (15inch 2.6 8GB RAM 750GB) and its performance than please help me out my friends. Any small detail, input, you feel like please let me know. Please help me be sure and satisfied am buying my Macbook Pro very soon and I am awaiting your response.

Well, are you talking about a 750 Hard Drive or SSD? If SSD (quite expensive) it will certainly be as fast. One option is to get the smallest HD they have and with the Non Retina you can upgrade the HD to an SSD later or now but save a little money. Check with iFixit or OWC for instructions. HD's do take longer to start up and load, but once open, the processor and video work just the same as on the Retina model. The SSD speed is nice, but really not critical. So you have to wait a minute for your computer to boot up. The other big question is you need to find out if the non-retina model will take 16GB of ram. According to OWC's site, it will, 16GB for 150USD. Once you get programs open and resident in ram, everything will fly.

MACBOOK PRO 2.6Ghz 8GB RAM 750 GB(Upgraded MBP 2012) an alternate for RETINA MBP 15 or NOT?How good is its potential, reliability ?

I am a student and an aspiring filmmaker.I am also into digital cinematography (Canon 550D) and now will be venturing into editing. I am in DIRE NEED of help
I have a few problems regarding the purchase of Macbook pro.I live in Kolkata(India).I have been waiting for the past 1 and a half years to buy a Mac but after the release of Retina Macbook pro 15.I am left confused. Its near unupgradability and unreparibility rumors, delayed delivery, and 1st generation hardware issues especially the lack of Optical drive made me reconsider my decision of buying one.
I want to know whether I can go for the top model of Non Retina - 2.6Ghz 8GB RAM 750 GB 1 GB Nvidea as an alternate choice for Retina MBP pro or NOT ?
I wanted to buy the Retina Base model. Though it is very recently launched and there is a big risk buying it because they say it is unrepairable and unfixable as 'everything is glued into the motherboard' dialogue scares me. Something goes wrong after purchase and they send it back to US, is what the Apple officials said. Moreover they don’t keep one on a demo at Apple stores in kolkata. I have searched almost everywhere and have been to many resellers in my city but no use.
NOW,I am very sceptical about custom ordering a Macbook 15 non retina with High-Res 1680X1050p from US.I don’t know how much custom duty or expenses I have to pay and is it safe or not. Time is also a factor. Sadly, I have to buy one in Kolkata (my city) it seems.
I am opting for Macbook Pro 15,2.6 Ghz,8GB RAM. Buying it for the sole purpose of editing(audio, video, photos).I need something which is fast along with a good screen size. My original decision was to buy the 17inch but after the launch of Retina and the upgraded 15 inch, I am only looking forward to the upgraded models. Many say 13 inch is fast, but it features a dual core with a maximum of 2.9Ghz clockspeed. I on the other hand want a quad core i7 with good upgradability options and a good screen size. The 13 inch may be a favorite for many, but I want nothing less than a 15 inch. One good option I get with non Retina 15 is its upgradability, while many say Retina MBP 15 can be made upgradable in future but that time is yet to come and by the time the whole web becomes ‘retina friendly’ and all applications supporting its 2880X1800 resolution, I may end up waiting only. Yes the picture quality remains unbeatable when compared to Retina Pro and it will always be. Though friends, I am a student, I want something which is fast, can run almost anything and future dependable. Retina Mac book Pro in India is 2799 USD - Base model. I cannot pay that amount just for the screen. As far as speed is concerned, I plan to get an OWC SSD and a 16 GB OWC RAM in the future resulting in greater speed when comparing the configuration with Retina 15.That problem is solved.
My problem here is this: The web is filled with reviews and videos of Retina Macbook Pro and the upgraded Macbook Pro 15 is just no where, if you even find a few videos, they only feature unboxing videos of Macbook pro 15 (i7-2.3Ghz-4GB-500GB-500MB Nvidea).Other videos compare the 2.3ghz model with Retina 15 pro. They are not elaborate like the 15 Retina Pro reviews.
I want to know about the real performance, potential, pros, cons of Macbook Pro 15 (i7 2.6Ghz 8GB RAM 750 GB 1GB Nvidea graphics).
So my question to you is what is your opinion on the 15 inch non retina ? HOW FAST do you think is the new upgraded 15inch non retina i7-2.6Ghz-8GB-750GB model really is ?I have read on many mac forums and seen on a particular youtube video that 15inch 2.3Ghz model takes an alarming 40 seconds to start because of traditional hard drive ! A normal DELL Inspiron starts at 15 secs max with i3+4 GB RAM and this particularly confuses me about the whole quad core processing and stuff and speed when running applications like C6,FCP,Lightroom etc is to be determined in regard to the model I want to buy.
A. Is it necessary to buy APPLE CARE WARRANTY when buying a laptop from Apple. What are the benefits and how is it different form the normal customer care ?
B. Please enlighten me on some nice headphones from Sennheizer under 90 USD.I am considering Sennheiser HD 439.I am not a bass freak and I want something to use for listening to voice, loud clear. In short, a headphone for all purpose. I heard the HD 449 is not that good compared to HD 439.They say it is Jazz oriented. Another confusion !
Finally, If you know anyone who knows about this configuration (15inch 2.6 8GB RAM 750GB) and its performance than please help me out my friends. Any small detail, input, you feel like please let me know. Please help me be sure and satisfied am buying my Macbook Pro very soon and I am awaiting your response.

Well, are you talking about a 750 Hard Drive or SSD? If SSD (quite expensive) it will certainly be as fast. One option is to get the smallest HD they have and with the Non Retina you can upgrade the HD to an SSD later or now but save a little money. Check with iFixit or OWC for instructions. HD's do take longer to start up and load, but once open, the processor and video work just the same as on the Retina model. The SSD speed is nice, but really not critical. So you have to wait a minute for your computer to boot up. The other big question is you need to find out if the non-retina model will take 16GB of ram. According to OWC's site, it will, 16GB for 150USD. Once you get programs open and resident in ram, everything will fly.

Can't update from 10.8 to 10.8.2 on Macbook Pro Retina 15" (restored from old Macbook Pro 13")

So I bought the new Macbook Pro Retina 15" and restored from my Macbook Pro 13". Everything is good except that when I go to AppStore to update other Apps it says I need the latest 10.8.2 update but that doesnt' even show up. Is there some new update coming out soon that will resolve my problem?

If the 10.8.3 comes out and I can't update it from the AppStore, then I'll try your original method you wrote "
Boot to the Recovery HD partition, Command+r at startup, and select Reinstall Mac OS"
But with that method, do I keep everything or will I lose everything? If it keeps it, I can do that right now then.
Thanks!!!

15 inch Macbook pro w/o retina display or 13 inch Macbook pro with retina display?

Want to get a macbook for university. Going to be used primarily for work and casual use. Have a 32inch full hd tv to connect up to for watching movies etc, which is the better choice?

Welcome to Apple Support Communities
I recommend a non-Retina MacBook Pro unless you need the Retina display. MacBooks Pro with Retina display are very limited and you can't replace anything if you don't want to void warranty. Also, repairs are more expensive, so purchase AppleCare for your MacBook Pro with Retina display.
Go for the 15-inch MacBook Pro if you need good GPU performance. The 13-inch MacBook Pro with Retina display has got an Intel HD Graphics 4000 as the graphic card, and it's not supported in Adobe apps, for example. Also, apps that require GPU performance won't work properly.
If you are not going to do any heavy task, the 13-inch MacBook Pro should work

Best way to transfer from mid 2012 macbook pro retina to new mid 2014 macbook pro

I'm updating to a new 2014 macbook pro. am i better off using a migration assistant from one to another, or restoring from Time Machine (with ethernet to thunderbolt adapter)? Or some other method?
thanks,
ptkmac

keg55 wrote:
I have used the Setup Assistant during setup of OS X and I would use a current Time Machine back up to point to during Setup Assistant. I have also manually copied data and apps over from another Mac while on my network. Both take some time and both were equally successful.
So, you have a choice after backing up your current Mac:
Have both Macs on your network, run setup on your new Mac and afterwards manually copy files from the old to the new Mac.
Run setup on your new Mac and use the Setup Assistant to migrate from a Time Machine back up all your user accounts, data and settings.
Question on a similar line except I wanted to partition the drive that came on the new Mid 2014 MBPro (2.8 GHz, 1 TB SSD, 16 GB RAM). Migrating from the old computer b/u seems pretty straight forward, but once the drive that come with the new MBPro is partitioned an install of OS X needs to be done. Here's what I did, I installed the Mavericks I had purchased from the App Store when it came out. Now, from reading here in the Communities, some have indicated the shipped Mavericks version is not the same as the App Store version. Now that the shipped Mavericks is history (after the partitioning) should I try somehow to restore that from the Recovery HD/process? Or ???
This isn't my first rodeo, so I just went full speed ahead and did the partitioning and copied the former MBPro (early 2011) disk created by Carbon Copy Cloner over to the new boot partition. It was suggested that an Erase and Install OS X could be done, but I don't see how that would bring the shipped Mavericks version for this new MBPro, unless the Recovery HD suite of utilities would go and grab that from Apple via Internet; which would be fairly lengthy since it would be via Internet connection.
I'll back up a bit here for a second... I"m not experiencing any problems (kernel panics, etc.) but not sure if the system now is as it should be. Hindsight being what it is I should have made a CCC copy of the shipped volume of Mavericks; if this is an issue.
The system seems to be running fine, and some of my "issues" (for lack of a better term) could be just the way the new Mid 2014 MBPro is handling things - like memory allocation (i.e. using close to the 16 GB most of the time) and kernel_task using 1 GB of memory - more at times). Possibly if I wasn't a regular watcher of Activity Monitor I would just be plodding along, since the system seems to be working fine. Occasionally some apps or their processes take a longer than I feel is what should be normal to do, hence looking at the Activity Monitor to see what is going on.
Sorry for the long ramble. Trying to see if I really have a problem that would necessitate a reinstall of Mavericks via Recovery HD; which could take up some valuable computer work time (which I'm also using posting here <grin>).
Thanks in advance for any ideas, suggesting, etc. Also, to the person who posted to my other question on this another thanks for those suggestions. None of which I've done - yet.
Take care all - and thank you again for all the great minds who make these Community Boards work.
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Is the SSD in the 15" MacBook Pro Retina compatible with the 13" MacBook Pro Retina?

A friend upgraded his Retina MacBook Pro 15" from 256GB to an OWC 480GB SSD. He was going to sell me the 256GB SSD he pulled out of his rMBP. I was thinking of buying the base 13" rMBP and installing that 256GB SSD from the 15" rMBP. Will that work or are they not compatible. Eyeballing it, they look to be exactly the same size so physically it would fit but not sure if they are not compatible for other reasons.

none of what you mentioned - use a damp micro fibre cloth to wipe your macbook retina.
make sure it's damp and not wet.
using a wet cloth can cause some drips between the keys that might create an issue - so make sure it's just damp.

(AIRDROP) Macbook Pro Retina Display Can't see Macbook Pro mid 2012

Hello,
I was trying to send and receive files from my macbook pro 13' mid 2012 (MBP) to and from macbook pro retina display 13' (MBPR) using airdrop.
both on Yosemite.
The problem is, I can't see my MBP from MBPR in airdrop. But the other way around works fine, I can see and send files from MBP to MBPR.
I've changed the 'allow me to be discovered by : Everyone' on both mac. Bluetooth and wifi are on. I even tried to search onlder mac from MBPR but no result.
Does anyone have the same problem? Is there any solution for this?

I am aware there are symbols. My technical issue is the MagSafe2 adapter. What people typically do is connect their laptops to the wall when they're battery dies off. No biggie. I can attach it to the outlet. Well, when I connect the adapter to the outlet, nothing happens. Nothing happens at home, at Starbucks, at McDonalds, at other people's home.
When I brought this up with technical support in August when I bought it, technical support person said I might have issues with my electrical wiring at home. I've never had issues with electrical wiring at home because my other Apple products work fine when connected to the outlet. My July 2011 MacBook Pro charged without a hitch.
And I was able to charge my Retina MBP only at night or very early in the morning.
But this weekend, I couldn't charge it at all. I'm starting to think it might be the MagSafe2 adapter problem.
I feel rather ridiculous buying the highest-end of the 15 inch Retina MBP. It cost me over $3000. Right now I'm working with my 5 year old Hewlett Packard laptop. At least my HP works, which can't be said about this top-of-the line Apple product.
Probably explains why Apple stocks are falling. At $3000 I shouldn't be having these type of problems.
Sheeeesh!!!

How can I tell the differences between the new MacBook Pro with retina display and the old MacBook Pro with retina display by looking

I'm just wondering the differences between the new MacBook Pro with retina display which was just released in October 2013 and the old MacBook Pro with retina display.

Thank you for the reply! As you said they looked exactly the same, so I'm not able to tell the differences just by looking, right? I'm thinking to buy a new 13-inch MacBook Pro with retina display, but I'm not buying the MacBook in Apple Store, I'm buying it in other shops, how can know whether they are not selling me the old model of MacBook Pro with retina display?

Do apple protection plan for macbook pro cover retina or is it just macbook pro

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Covers all Mac models. Just be sure to order the correct AC item for YOUR specific model. Price is contingent on the model covered.
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http://store.apple.com/us/browse/home/applecare

Macbook Pro 2.6ghz i7 2013 system freeze when using Premiere/AME CC 2014

I have a Macbook Pro i7 2.6ghz form late 2013 and I have been experiencing some serious problems with my system freezing while using Premiere Pro and whilst rendering from AME.
I am running the latest version of CC (8.1) on OSX 10.9.5.
GFX card: NVIDIA GeForce GT 750M 2048 MB
RAM: 16 GB 1600 MHz DDR3
I have CUDA enabled, I need the performance boost so rendering previews of the CPU is not much of a option for me.
I have experienced this problem since I started running Premiere on my laptop (3 months ago). If I am doing any GPU hungry processes within Premiere or AME the system will freeze, when it freezes nothing will respond and the screen stays frozen, I have to do a manual shut down.
I went as far as replacing the whole laptop with Apple as they put it down to a faulty GFX card, the new one has the same problem which leads me to think that the problem is with how Premiere and AME work with the new Macbook Pro's.
These crashes happen up to three times a day if I'm doing a full day of editing and I have to make sure I don't push the system to hard to avoid it, the crashes don't tend to happen when I am editing 5D footage but they are quite frequent when editing 4k GH4 footage. I am working off multiple hard drives with valuable data which are put at risk when the system crashes. I normally work on a 6 core Mac Pro but next week I'll be pushing my laptop pretty hard with a full week of editing and I'd love to avoid these crashes.
If more info and specs are needed to identify the problem, I'll be happy to provide them.
Cheers, Moja.
ps.
My system just crashed twice today, once while writing this message, I had a project open in Premiere but I wasn't even editing, its currently 30 degrees in Melbourne, one of the hottest days of the year yet, which leads me to believe that the heat is contributing to the GFX card or CPU overloading.

mojareeves1 wrote:
I forgot to add that I have also updated to the latest nvidia card driver.
My music seems to keep playing when the crash occurs which suggests the hard drive and other components are still running fine, its just the GFX card that is crashing.
The GFX card may be a red herring if it still crashes in software mode and with the internal card. The fact that you have music playing, however, may be a clue. Programs that can access your audio hardware (like Soundflower) at the same time as Pr have been known to conflict and cause crashes. Turn off any background audio processes. Check your system audio settings, as well as Pr's audio and audio hardware settings. If you can, change the source of Pr's Desktop Audio in Preferences>Audio Hardware. Try changing the ASIO settings.
The next (and most painful) step would be to work your way meticulously through this document:
Troubleshoot system errors, freezes | Mac OS 10.x | Adobe software
The "Re-create Adobe application preferences" step often helps a lot.
Cheers,
Jeff

My battery is not charging and condition is normal [MacBook Pro 2012]

Well my battery is not charging and it says that condition is normal (image below):
I went to an iShop in México and the dude that works there said to me: "it is working fine", I dont know what to do, help please?

You are still under warranty and/or have AppleCare, call them. Let them deal w/it.

MacBook PRO 2.6Ghz 8GB RAM (2012) -i ned more RAM, is it possible?

Hello, how can help me.
i´m a designer and i ned more as 8GB RAM. Maybe 16GB.
Is it possible?

Assuming it isn't a Retina model, yes.
Maximum Memory
16 GB (Actual) 8 GB (Apple)
Memory Slots
2 - 204-pin PC3-12800 (1600 MHz) DDR3 SO-DIMM

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I need to reinstal snow leopard!! Lion isn´t work well in my laptop

If you have TimeMachine drive follow these instructions
http://web.me.com/pondini/Time_Machine/14.html
Back to Snow Leopard from Lion install method
Read and print out these instructions, your computer is going to be offline and you will be cutoff from help until your machine is restored.
Clear the Desktop, Downloads and Trash of anything you wish to keep by placing their files in the respective Documents, Music, Pictures, Movie folders.
Boot into Windows and backup any files there as well. Disconnect all other drives and devices not involved.
Backup ALL your Users folders (Documents, Pictures, Movies, Music etc) manually (drag and drop methods) to a (not to TimeMachine) external powered drive (HFS+ journaled formatted in Disk Utility) and disconnect, your going to be wiping the entire boot disk of ALL DATA. (warning, everything will be gone and not recovered, OS, programs, files, Windows etc all gone.)
If Lion is hosed but boots: You may want to hold c and boot off the 10.6 installer disk and use Disk Utility to format the new blank external drive instead of using OS X Lion's Disk Utility. Then reboot into Lion and copy files that way. If you have a backup of your files this is not necessary.
If Lion won't boot: You can install OS X 10.6 onto a blank external HFS+ journaled formatted drive and then hold option key and boot off the external drive and grab your files if you don't have a backup. If your Lion drive won't mount or is corrupted try a Disk Utility repair, as a last resort use DataRescue (commercial software you need to download) to do a 1's and 0's recovery (not pretty, you should always backup)
Here we go!
Hold c and boot off the 10.6 installer disk that comes with your computer and second screen in just STOP there, don't install OS X yet.
Look up at the Utilities Menu for Disk Utility.
On the left is the name of your hard drive maker (Hitachi, Toshiba, Seagate, WD etc.), click it and Erase (format HFS+ Journaled), give it the same drive name as before, and click Erase...
(note: if you want to "scrub" the drive of old files that haven't been overwritten yet, then use the Security Option > Zero Erase, takes a lot longer)
This should wipe the drive of ALL partitions (GUID, OS X and 10.7 Recovery, Windows if present)
When it's done, quit and install OS X 10.6.
When you setup a first account, use the same user name as before, this way you can simply drag and drop the content of your previous Users folders from the external drive right back into the new Users folders and everything should work peachy. Links in iTunes to music, playlists and iPhoto links especially.
Update OS X to 10.6.8 using the Combo Update for best results.
http://support.apple.com/kb/DL1399
Run the Software Update under the Apple Menu
Then install all your programs from fresh sources and validate/update.
(Note: If your original machine had 10.5 and you want the free iLife that comes with the disks with the computer, then you'll have to install 10.5 first using the same c boot/erase/format methods as above, then update to 10.6 via the disk, then Combo Update 10.6.8)
Final steps to prevent such a mess from reoccuring
A lot of people use a Carbon Copy Clone of their boot drive to a new/blank HFS+Journaled external drive (used only for this purpose) as a "hold the option key" bootable backup in case something goes wrong with their boot drive or need to restore to a previous OS X version..
Restoring from a bootable clone is rather painless and nearly automatic as it's a duplicate of the boot drive cloned. Make as many clones as you need.
It can be autoupdated to just apply changes so it doesn't take as long as a full clone.
http://bombich.com/get_ready_for_lion.html
Also use a TimeMachine drive, although not bootable like a clone, is easy to restore stuff from provided you have a installer disk to boot from (Restore TM is right under the same menu as Disk Utility on the installer disk), so if your superdrive is dead or your installer disks are missing or damaged, your out of luck.
Always maintain two copies of your data on two seperate pieces of hardware at all times to prevent a unexpected surprise from catching you.
Do not maintain a Bootable Clone and a TimeMachine partition on the same external drive, seperate drives is best.

Retina 2.3ghz or normal MacBook pro 2.6ghz ?

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