Installing Lion over Mountain Lion-Is this possible?

I have a MacBookAir5,2 model with Mountain Lion pre-installed. However, we are using Lion in our environment. I tried booting off of a Lion cd a I received a circle with a slash running through it. Is there any way to install Lion on MacBook Air models with Mountain Lion pre-installed?
Thanks.

I know this sounds like a stupid question, but we really only have one Macbook Air with lion preinstalled. So, would I need to install lion on to an external using another Macbook Air with similar drivers? Does it matter if I install lion on to the external using a macbook pro instead of an air? How would I go about doing that? Thanks.

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Installing Mavericks over Mountain Lion

I try to install Mavericks over Mountain Lion but keep getting this message: Unapproved caller, securityagent may only be invoked by Apple software.
Now I am stocked and cannot do anything :-(
Any suggestions?

Dang! that was so NOT cool. Same thing happened to me and feel lucky to have found this thread.
I was stuck in a loop of that dialog popping up saying "Unapproved Caller". I tried clicking OK repeatedly and it still kept popping up.
Seeing the comment about Safe Mode, I took the gamble and held the power switch on my 27" iMac until it powered off, waited a moment, then pushed the power button again and as soon as the chime sound happened, held Shift key to boot in Safe Mode and that worked just like it did for @Bart2904.
How in the world would an average user know how to recover from such a situation - it would be bricked computer and a trip to Genius bar. Again, not cool.

Trying to install Lion. says this disk is not enabled (journaled) - but when I look at the drive it actually is os extended journaled - Stuck! Have tried repair disk permissions and still no luck

trying to install Lion. says this disk is not enabled (journaled) - but when I look at the drive it actually is os extended journaled - Stuck! Have tried repair disk permissions and still no luck - any thoughts? Have spent two weeks trying to get apple support and itunes to help me get lion after a hard drive fail and now they are closed and I really just want to get moving!

Are you installing OS X Lion over an existing installation of Snow Leopard, or are you reinstalling?
First be sure you have everything on your system backed up. Then reboot with the Command-R keys held to get to the OS X Lion recovery volume. In here, select Disk Utility and use the First Aid tab in here to run a verification on your boot drive. If there are any errors, fix them and then try the installation again.
The next step would be to format the drive, so with your backup secured, use Disk Utility's Erase tab to re-format the drive to Mac OS X Extended (journaled), and then quit Disk Utilty and attempt the installation again.

I am using os x 10.4.11 on a 2.4 ghz intel core 2 duo. I don't believe I can install lion on this system but was wondering what is the highest version I can use?

I am using os x 10.4.11 on a 2.4 ghz intel core 2 duo. I don't believe I can install lion on this system but was wondering what is the highest version I can use?

Here are the requirements for Lion:
http://osxdaily.com/2011/06/07/mac-os-x-10-7-lion-system-requirements/
In order to install Lion you have to have Snow Leopard and then update to 10.6.8:
http://store.apple.com/us/product/MC573/mac-os-x-106-snow-leopard
Personally I suggest that you stop at Snow Leopard. It still is the most efficient OS that Apple has devised and it still works great. Go to the Lions only if there are feature that you really need. There may be a price to pay in slower performance though.
Ciao.

I can install lion whit this operative sistem

I have a 2008 Mac with leopard 10.5.4 and I am interested in install lion.
Could we do any way?

Nope sorry, you have to buy the $29 Snow Leopard Install Disc, update to 10.6.6 or 10.6.8 depending on who is right, then use the App Store to get Lion...
Mac OS X Lion System Requirements
In order to install Mac OS X 10.7 you will need:
    •    Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon processor
    •    2GB of RAM
    •    Mac OS X 10.6.6 or later with the Mac App Store installed
    •    At least 4GB of additional disk space to accommodate the download, but more is obviously recommended
http://osxdaily.com/2011/06/07/mac-os-x-10-7-lion-system-requirements/
PS. No idea why anybody would want Lion/10.7, worst OSX so far IMHO.

I installed Mavericks on my macbook pro and now I want to go back to Lion, is this possible and how?

I'm not satisfied with OS X Mavericks and I'd like to go back to OS X Lion! How do I do this as easy as possible?

Erase your hard drive and install your Lion system backup. If you don't have a Lion backup, the you can do an Internet Recovery:
Install Mavericks, Lion/Mountain Lion Using Internet Recovery
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
Boot to the Internet Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND-OPTION- R keys until a globe appears on the screen. Wait patiently - 15-20 minutes - until the Recovery main menu appears.
Partition and Format the hard drive:
1. Select Disk Utility from the main menu and click on the Continue button.
2. After DU loads select your newly installed hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed. Quit DU and return to the main menu.
Reinstall Lion/Mountain Lion. Mavericks: Select Reinstall Lion/Mountain Lion, Mavericks and click on the Install button. Be sure to select the correct drive to use if you have more than one.
Note: You will need an active Internet connection. I suggest using Ethernet
if possible because it is three times faster than wireless.
This should restore the version of OS X originally pre-installed on the computer.

Why can't I install lion? 10.6.8, 2.16 core2duo 3GB

Why can't I install lion? This is a 2.16 core2duo running 10.6.8, with 3GB of memory.
Yes, it IS a core2duo.
Does anyone have any ideas?
Please, don't assume I'm stupid. It is a 2.16 core2duo. It is not a core duo.

Also, it runs Lion with no problem from an external disk. I'm running an install attempt now from an external drive. I tried upgrading the drive to lion before installing it in the MB Pro, but when I tried to boot from it, it booted to the Apple screen with the progress bar like when you update firmware which froze after awhile. I repartitioned the drive and started over again.
It is is partioned correctly.
I

Blank White Screens After Installing Lion in Software

Before I start, I have a Macbook Pro 5,1 -- 2.66Ghz Core2Duo with 8GB of RAM, 500GB 7200rpm HDD, and an nVidia 9600GT M Graphics card
I installed Lion. This install was an UPGRADE from 10.6.8. Most of my apps arent working at all. Adobe CS 5.5 Master Collection, Final Cut Pro, Ableton Live, and even Time Machine.
They all just open up and give me a blank white screen (literally, a window, and instead of there being stuff inside the window its just a big giant WHITE BOX OF NOTHING). Time machine actually shows me the selected finder window but i couldnt select any older time machine dates.
Additionally I tried dragging icons off the dock, and it froze up my entire machine just by dragging them off the dock. I had to right click on icons to remove them.
I finally booted up into the "Recovery HD" and recovered my Time Machine backup to Snow Leopard 10.6.8 that I was using before.
I would very much like to use Lion, but it seems to have alot of problems with my machine. Should I do a completely fresh install maybe?
Any other solutions?

I have reverted to a backup from yesterday in which Lion was first installed and ran without problems. But this time, the windows of my apps were still white.
I also tried creating a new user account, thinking that there was a chance that it was a conflict with a piece of 3rd party software. Not that I can rule out software conflicts, but I still had the same problems.
So I'm now reverting to Snow Leopard. Ugh…
At least the "Recovery Partition" is pretty cool ;)
-Chris

Apple going MS style - don't install Lion if you don't need to

Hi,
I am obviously frustrated. I want to warn anyone with an Apple MacBook, MacBook Air or iMac that is not very recent. If you do not need Lion, don't install it. It is a disaster.
Don't get me wrong. I am a huge Apple fun, but with this release I am getting a degavu regarding my MS Windows history. Lion has similar "features" as Windows has and which were my original reason the happily get rid of MS Windows. Apple has gone totally the wrong way with this release if you ask me.
Problem I have since I installed Lion:
- non responsive applications for no apparent reason.
- hanging system several times a day.
- having to reboot my system to get any response from it several time a day.
- totally unpredicatable battery lifetime of my MacBooks. Mostly less than half the original amount before installing Lion.
This is not just on a single system, but on all systems I have. All systems were bought during 2007.
In my opinion this release is in it's current state a disaster and absolutely not Apple worthy. I hope they fire some people at Apple for this, becaus this will damage the brand in my opinion and should never happen again.
Why MS style (in my opinion)? Apple has given a lot of focus on useless graphical features (LaunchPad and MissionControl) (also degavu regarding MS). Well I can tell you it is not worth it. Snow Leopard was working like a charm. Lion is more like a Snail.
I hope Apple will come with updates really quickly, otherwise I am afraid the are now on the same quality level as MS. The point have always been happy to pay the Apple prices, because they were absolutely worth it. I can get poor quality for much less money. Even though this update is very cheap, it is still not worth the money.
Best regards,
Ruud Wijnands

I have two other email accounts so the loss of loss of apple email is no big thing. Cheaper cell phones is not a bad thing either
so ha ha back at ya

Can't install Lion in two macs

Hi, i'm using a MBA where i purchased, downloaded and installed LION with no problem. When i sign in APP Store with the same apple ID in my Imac 27" i can't seem to be able to download and install LION on this machine...it shows the price and buy now button. How do i install it for free on my 27"? Thanks in advance

the same thing happened to me, and I couldn't even get to download lion on my second macbook pro, because i was getting this "500 internal server error".
And to my surprise, I checked my paypal statement and I was charged 20 times for Lion, a total of $599.80.
I'm talking to apple about it, but till now no solution.
check out the screenshot below.

My computer case seems like it gets really hot after installing lion

My Macbook Pro is only 5 months old and I don't remember that the case ever got very warm. Now I can't even keep it on my lap because of the hot case. It almost seems worse after installing Lion earlier this week. I'm not positive about that?
What should I do?
Hardware Overview:
Model Name:          MacBook Pro
Model Identifier:          MacBookPro8,2
Processor Name:          Intel Core i7
Processor Speed:          2.2 GHz
Number of Processors:          1
Total Number of Cores:          4
L2 Cache (per Core):          256 KB
L3 Cache:          6 MB
Memory:          8 GB
Boot ROM Version:          MBP81.0047.B0E

The Macbook Pro shell (bottom) will get hot during long periods of use... such as playing games, DVDs, etc. Also depends on the environment you are in... There is nothing wrong with it.

Can I install Lion on a second computer?

If I buy Lion from App Store, can I install Lion to a second computer and using the two computer in the same wifi at the same time?
Technically?
Legally?

rockman413 wrote:
How to define non-commercial use? If I'm a writer and I write articles on my mac, is this commercial use?
Talk to your and/or Apples lawyers, I can't answer that.
One of my computer is 10.5, how can I install Lion on this machine? Thanks!
If you're going to download from the App Store it needs to be running 10.6.8. Apple also now has Lion on a flashdrive that I believe can be installed on non Snow Leopard machines. Finally if you have Lion on one of your machines already you can make your own flashdrive installer which again I believe will work on non Snow Leopard machines.
Search here or on the web or Apples site for more detailed info.
regards

Is this possible with LOG ERRORS?

I have a procedure which does a bulk insert/update operation using MERGE (running on Oracle 10gR2). We want to silently log any failed inserts/updates but not rollback the entire batch no matter how many inserts fail. So I am logging the exceptions via LOG ERRORS REJECT LIMIT UNLIMITED. This works fine actually.
The one other aspect is the procedure is being called from Java and although we want any and all good data to be committed, regardless of how many rows have bad data, we still want to notify the Java front end that not all records were inserted properly. Even something such as '150 rows were not processed.' So I am wondering if there is anyway to still run the entire batch, log the errors, but still raise an error from the stored procedure.
Here is the working code:
CREATE TABLE merge_table
    t_id     NUMBER(9,0),
    t_desc   VARCHAR2(100) NOT NULL
CREATE OR REPLACE TYPE merge_type IS OBJECT
    type_id     NUMBER(9,0),
    type_desc   VARCHAR2(100)
CREATE OR REPLACE TYPE merge_list IS TABLE OF merge_type;
-- Create Error Log.
BEGIN
    DBMS_ERRLOG.CREATE_ERROR_LOG(
        dml_table_name      => 'MERGE_TABLE',
        err_log_table_name => 'MERGE_TABLE_ERROR_LOG',
END;
CREATE OR REPLACE PROCEDURE my_merge_proc_bulk(p_records IN merge_list)
AS
BEGIN
    MERGE INTO merge_table MT
    USING
        SELECT
            type_id,
            type_desc
        FROM TABLE(p_records)
    ) R
    ON
        MT.t_id = R.type_id
    WHEN MATCHED THEN UPDATE
    SET
         MT.t_desc = R.type_desc
    WHEN NOT MATCHED THEN INSERT
        MT.t_id,
        MT.t_desc
    VALUES
        R.type_id,
        R.type_desc
    LOG ERRORS INTO MERGE_TABLE_ERROR_LOG ('MERGE') REJECT LIMIT UNLIMITED;
    COMMIT;
END;
-- test script to execute procedure
DECLARE
    l_list       merge_list := merge_list();
    l_size       NUMBER;
    l_start_time NUMBER;
    l_end_time   NUMBER;
BEGIN
    l_size := 10000;
    DBMS_OUTPUT.PUT_LINE('Row size: ' || l_size || CHR(10));
    l_list.EXTEND(l_size);
    -- Create some test data.
    FOR i IN 1 .. l_size
    LOOP
        l_list(i) := merge_type(i,'desc ' || TO_CHAR(i));
    END LOOP;
    EXECUTE IMMEDIATE 'TRUNCATE TABLE MERGE_TABLE';
    EXECUTE IMMEDIATE 'TRUNCATE TABLE MERGE_TABLE_ERROR_LOG';
    -- Modify some records to simulate bad data/nulls not allowed for desc field
    l_list(10).type_desc := NULL;
    l_list(11).type_desc := NULL;
    l_list(12).type_desc := NULL;
    l_list(13).type_desc := NULL;
    l_list(14).type_desc := NULL;
    l_start_time := DBMS_UTILITY.GET_TIME;
    my_merge_proc_bulk(p_records => l_list);
    l_end_time := DBMS_UTILITY.GET_TIME;
    DBMS_OUTPUT.PUT_LINE('Bulk time: ' || TO_CHAR((l_end_time - l_start_time)/100) || ' sec. ' || CHR(10));
END;
/I tried this at the end of the procedure, but it does not work, probably because I am not using SAVE EXCEPTIONS:
    IF (SQL%BULK_EXCEPTIONS.COUNT > 0) THEN
        RAISE_APPLICATION_ERROR(-20105, SQL%BULK_EXCEPTIONS.COUNT || ' rows failed for the batch.' );
    END IF;Also the one thing we would like to have is the datetime logged for each failure in the ERROR_LOG table. We may be running several different batches over night. Is this possible to manipulate the table to add this?
Name                              Null?    Type
ORA_ERR_NUMBER$                            NUMBER
ORA_ERR_MESG$                              VARCHAR2(2000)
ORA_ERR_ROWID$                             ROWID
ORA_ERR_OPTYP$                             VARCHAR2(2)
ORA_ERR_TAG$                               VARCHAR2(2000)
CHANNEL_ID                                 VARCHAR2(4000)
CHANNEL_DESC                               VARCHAR2(4000)
CHANNEL_CLASS                              VARCHAR2(4000)Edited by: donovan7800 on Feb 16, 2012 1:14 PM
Edited by: donovan7800 on Feb 16, 2012 1:17 PM

Ah yes I remember. The guy needing the TABLE(p_records).
Re: Merge possible from nested table?
>
I tried this at the end of the procedure, but it does not work, probably because I am not using SAVE EXCEPTIONS:
IF (SQL%BULK_EXCEPTIONS.COUNT > 0) THEN
RAISE_APPLICATION_ERROR(-20105, SQL%BULK_EXCEPTIONS.COUNT || ' rows failed for the batch.' );
END IF;
>
Correct - you need to use SAVE EXCEPTIONS.
I know there is the FORALL command, but I figured there was a way to do this with MERGE since the procedure does an update if a match is found instead
But you can use MERGE with FORALL and add the SAVE EXCEPTIONS to handle your problem.
I still have a question as to what the source of the PL/SQL table provided by the parameter Is this table being prepared in another PL/SQL procedure, in Java, or how? Are you confident that the number of rows in the table will be small enough to avoid a memory issue?
If in PL/SQL you could pass a ref cursor and then in this proc use a LOOP with a 'BULK COLLECT into' with a LIMIT clause to do the processing.

Can you install Lion over the top of Mountain Lion to get rid of these awful Logic glitches?

Folks -
I too have experienced the 'help! Logic is running away with itself and won't respond to me' scenario. I thought it was just me at first... I know there are several other folks that are having other problems ranging from annoyances to show-stoppers.
In my case, the biggest problem is that my Mackie Control (original; version 1.02)that has worked flawlessly in the past is plagued with the following symptoms:
Frequently is not detected or initialized when Logic starts up. This always worked prior to Mountain Lion.
If it IS detected, it will get a MIDI download from Logic so that all of the screen text and values come up, but none of the input functions (i.e. raising/lowering a fader on the control surface) are picked up/executed by Logic. I have tried different MIDI ports and cables and no change in the problem.
This control surface is pretty important for my workflow. I am seriously considering downgrading back to Lion, if it's possible.
Does anyone know if it is possible/safe to install Lion back on top of Mountain Lion? The glitches in Logic with Mountain Lion have made the system unstable and fairly unusable.
Thanks!
Pete

Turns out that the problem REALLY WAS MOUNTAIN LION!
I had a clone of my Mountain Lion disk in my Mac Pro. I do a full clone every night, so I booted from that, and erased my primary disk.
Then, I used Time Machine to go back to just before I installed Mountain Lion and then booted from the Lion DVD that I had made when Lion launched (see Google for this). I recovered to my erased disk, and 2.5 hours later I had a full 10.7.4 system up and running on my primary disk. This WORKS!!! I have just tried Logic, and the problems I was having disappeared. The Mackie Control surface is now responsive, and I'll bet Logic doesn't run away anymore either. Great tools - Carbon Copy Cloner (I'm a registed user) and Time Machine saved my butt.

Have just down loaded Yosemite over Mountain Lion, Indesign CS5 does not work ( Am dependant on it) although Bridge , Light Room and Elements operate OK How do I solve this rapidly. Can any one help on this issue. Thanks

Have just down loaded Yosemite over Mountain Lion, Indesign CS5 does not work ( Am dependant on it) although Bridge , Light Room and Elements operate OK How do I solve this rapidly. Can any one help on this issue. Thanks

Sorry to say it, but I think you can see from Bob's response that there's no way to solve this rapidly.
Did you take an image of your Mountain Lion install before upgrading to Yosemite? Roll back to that. If you're not in the habit of taking a snapshot of your system before performing operating system upgrades - get in that habit. If you are dependent on anything at all on hour computer, having a reliable backup method in place is essential. If you don't have a Time Capsule, or some other way to run Time Machine onto a disk that's not in your computer, go set that up yesterday.
If you can't just remove Yosemite and roll back to Mountain Lion for whatever reason, you can partition your drive so that you can install both Yosemite and Mountain Lion on the same drive, and then boot into Mountain Lion when you need to work in CS5. Or you can take your Mountain Lion disc (I assume you have one, no?) and then use it to create a virtual machine in something like VirtualBox to run Mountain Lion from inside Yosemite.

Installing Lion over Mountain Lion-Is this possible?

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