snow leopard – Mac OS X 10.6.8 can not move to El Capitan

MacBook Pro V: 10.6.8
Hardware: Intel 2.53 Ghz Core 2 Duo
Ram: 4 GB.
I want to upgrade my macbook PRO. In fact, I have Mac OS X v.10.6.8, I found on Apple's support that I had to download Mac OS X EL CAPITAN, but when I try to connect to download the package, the site sends me the next alert
Apple ID never uses the App Store
Requires an update of the software.
and then, I need to update my software.
Someone knows where and how to get MACOSX EL CAPITAN to upgrade my laptop. Thank you.

el capitan – How can I download an older version of OS X / macOS?

[This section is still work in progress]
It seems that in the new Mojave App Store, the old installers purchased do not appear at all. The "simple method" of entering the history of your purchases is no longer valid.

Sierra and High Sierra are available via direct links – see below.

Test the installation program of El Capitan that has a published URL will appear in the App Store, but if the download is requested, the message "Not valid for this Mac" will not appear plus, it now says "The requested version of macOS is not available".

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Additional tests are needed – welcome contributions – to see if other versions of the operating system are removed in the same way. We may need direct links to these, which I do not have at the moment.

Sierra itself has now disappeared from everyone's buying history. However, Apple keeps full Sierra availability even if High Sierra is absent. No Apple ID is required.

High Sierra Link tested by Mojave in January 2019 – still works for download, though via the new Software Update control panel. It will not work on a Mac Mojave, but you will have the installer in your Apps folder to move it somewhere else.

I've successfully tested this method in January 2019 – still working as shown for a Mac limited to El Capitan. Old purchased operating systems are always listed and accessible.

The easiest way – if available – to use your purchase history on the App Store.
If you have previously installed an OS X version, it will still be available in this list. This should include all public beta versions.

The version available from this list will always be the latest version of its type, namely 10.7.5, 10.8.6 … 10.11.6

Image heavily modified to display only operating system versions.enter the description of the image here

Note that the download or installation will be based on whether or not you have saved the installation file locally, even on a non-bootable drive.

If the version you are trying to download is older than the Mac you are trying to download, the download is not allowed.
[looking for workarounds to this part – edits welcome – I can’t test this as the newest Mac I have is a 2012 Mac Pro]

Potential workarounds, need for testing –
How to re-download Lion from Mountain Lion

If you are trying to upgrade an older machine running Snow Leopard or Lion, you can get a special version of El Capitan on the App Store.

This version of El Capitan is for users of OS X Snow Leopard or
OS X Lion who wants to upgrade to macOS High Sierra. If you are
running Snow Leopard or Lion and wants to move to High Sierra,
you must first install El Capitan. This version of El Capitan can
also be installed on computers that are not compatible with High

Note this last sentence … this version will not be installed on a machine that is do not currently on Snow Leopard or Lion, if the machine is able to run High Sierra.
This makes it a very specific resource and not a general "get out of prison" card for anyone who wants El Capitan.

enter the description of the image here

If you need to reinstall from Recovery and previously used Sierra 10.12.4 or higher, 3 options are now available.
Hold the appropriate key combination to the start chime …

  • cmd R
    reinstall the latest macOS installed on your Mac without upgrading to a later version
  • Opt ⌥ cmd R
    upgrade to the latest Mac OS compatible with your Mac
  • shift Opt ⌥ cmd R
    reinstall the macOS that came with your Mac or the version closest to it that is still available.

The first two options are available for all newer Macs than Lion, around 2009.

There is also the option to create a bootable USB flash disk drive, using this Apple tool – Apple KB: OS X: About the Recovery Disk Wizard

If you have access to an earlier version of any operating system, 10.11.0, etc., and want to upgrade, you can download Apple's Combo Updaters which contains everything needed to directly access the latest version of the point in one step, for example. 10.11.6

Google is good at finding them, like the best result if you simply do a search combo update 10.11 but here are links to some

Mavericks 10.9.5
Yosemite 10.10.5
El Capitan 10.11.6
Sierra 10.12.6
High Sierra 10.13.6

If you need to create a bootable USB stick to install from

How to create a bootable USB flash drive on a Mac?

How to create a bootable USB drive Mac on Windows?

  1. Find a friend who can access the download[[[[advisable]

  2. Find a torrent / sharing site[[[[not recommended]

Additional note:
There is no "legitimate" way to download macOS from a computer other than Mac. It requires the Apple App Store.

Note: You can not use a Time Machine backup to return to an older operating system than the last backup on that Time Machine drive.

This means that to preserve your ability to restore to a previous backup and operating system with your Time Machine backup, you must swap this Time Machine drive before you upgrade the operating system. Indeed, once the Time Machine reader sees the new operating system, it is no longer possible to return to the old one. You can still manually extract data from Time Machine, but you can not use them to restore the older operating system.

Upgrading Snow Leopard to El Capitan: Can not Select Disk in Setup

description of the problem

I'm trying to upgrade my MacBook (7.1) from Snow Leopard (10.6.8) to El Capitan. I've got the El Capitan installer on the App Store, but I can not select the disk to install when I run it. The icon on my drive is "dimmed", and when I try to click on it, a message appears, stating that "This drive can not be used to start your computer".

installer dialog

What I've tried

Using the Disk Utility, I checked the disk permissions and the disk itself. I've also tried removing and downloading the installer again from the App Store. I do not know what else to do. I have a Time Machine backup on an external drive, but I do not have the installation disk of Snow Leopard. I am at a loss.

java – El BottomNavigationActivity no cambia a otro activity

Ya probe different manes pero sigo with the result

Public class MainActivity extends AppCompatActivity {
Protected void onCreate (Bundle savedInstanceState) {
super.onCreate (savedInstanceState);
setContentView (R.layout.activity_main);


private BottomNavigationView.OnNavigationItemSelectedListener mOnNavigationItemSelectedListener
= new BottomNavigationView.OnNavigationItemSelectedListener () {

Public Boolean onNavigationItemSelected (@NonNull MenuItem element) {
switch (item.getItemId ()) {
Intent a = new Intent (MainActivity.this, MainActivity.class);
startActivity (a);
Pause; box:
Intention b = new Intention (MainActivity.this, SearchActivity.class);
startActivity (b);
Pause; box:
Intention c = new Intention (MainActivity.this, UserActivity.class);
startActivity (c);

returns false;


el capitan – Can not open Firefox and Xcode since my last update

I'm using OS X El Captain 10.11.6. This worked well until December 14, 2018. Indeed, I could use Firefox and Xcode (the main software that I use) without any problem.

But since December 14, 2018, after rebooting, I can not use Firefox or Xcode anymore. For Xcode, I get this error:

MacOS SDK was not found, but Xcode requires a macOS SDK. The installation of Xcode may be incomplete or damaged.

and, for Firefox, I get this error:

Your Firefox profile can not be loaded. It may be missing or inaccessible.

I followed the Mozilla Knowledge Base, I check the ~ / Library / Application Support / Firefox / Profiles folder and there is no record there. My profile has disappeared?

I've also noticed that two Apple updates were installed on December 14, 2018:

According to this link, MRTConfigData can remove malware and XProtectPlistConfigData can prevent their execution.

Do these updates have an impact on Xcode and / or Xcode? How to know which malware has been removed? And how can I restart Firefox and Xcode?

Need an El Capitan installer. Standard methods will not work

I have a MBP mid-2012. Came with Mountain Lion, upgraded to Mavericks in 2013 and never touched OS X again. Short story: I need El Capitan to run professional apps, and this one can not be newer, because an essential hardware element will not work on Sierra or later. I installed High Sierra yesterday to confirm and as I had not installed El Capitan at the time, I can not do it now that Sierra / High Sierra have come out. Is there a safe source here to download the installer (torrent)?

Thanks in advance.

el capitan – trying to erase external SSDs visible only in terminal mode

I have an SSD drive that has been removed from a MacAir and placed in an eclipse. I must have screwed up the directory by deleting files from the drive and not disassembling it because the drive is invisible in DiskUtil. I can see it in Terminal, but when I try to erase the drive with the help of diskutil, it starts up and reaches 30%, and then stops with the message. error below. The player has been saved, so I want to start all over again. The reader was in JHFS + format. Help?

Starting the CoreStorage operation
Disassemble logical volumes
Ejecting logical volumes
Destroy logical volume group
Error: -69783: Can not Delete CoreStorage Logical Volume Group

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El Capitan and old photoshop on a bootable partition

Macs very rarely support booting versions of macOS prior to the one they were delivered with – exceptions are rare and never greater than a one year release. This means that at least on a new machine, it is out of the question to partition and install an earlier version on bare metal.

Although CS3 supports Intel Macs without Rosetta, and that in theory, binary files should be launched on modern versions of macOS, compatibility with the latest versions is … mediocre … at better. There is some information circulating about it, but nothing is really guaranteed at work.

As it stands, your options are:

  • Try to get CS3 (or if you want to increase your chances, CS6) to work on a modern version of macOS
  • Continue using your old MacBook Pro (or another Mac) exclusively for CS3
  • Use an alternative to Photoshop (for example, Affinity Photo, Pixelmator, etc.)
  • Bite the ball and pay for CC

I understand that none of these options is really great; it's something that I've struggled with personally too. However, Adobe really does not give any other option.