Windows Mac; Windows 7 and newer, including Windows 10: Mac OS X El Capitan and newer, including macOS Mojave (Catalina users see warning below): If using MathType with Pages (et.al.) on macOS 10.14 Mojave, please make sure that you are using Pages 7.3, Keynote 8.3, and Numbers 5.3 or later. I might ask if anyone knows how I can run the installer manually - from the command line I can cd to /Volumes and see my main hard drive and the downloaded dmg file 'Install OS X El Capitan'. If I could run the installer from the downloaded file, I'd saver about 2 hours for these tests and not download that installer file over and over.
Install Mac Os El Capitan
Reinstalling macOS is usually the last option when fixing an error on Mac. Installing a fresh copy of the Mac operating system should resolve all problems that your computer is experiencing, even those that are normally difficult to get rid of.
You can re-install macOS via the Recovery menu, which can be accessed by holding down Command + R during startup. You can choose to re-install using a bootable USB drive or using Internet Recovery. Most users prefer the latter because it is faster and more convenient.
Reinstalling an operating system can be a frustrating and time-consuming process. Mac OS X El Capitan. Yosemite just got bigger. In order to transmit multicast flows from Dante Virtual Soundcard on OS X 10.11 (El Capitan), the IP address of the Ethernet port must be set to static, and/or the Wi-Fi port must be turned on. Reinstall macOS. Select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions. Follow these guidelines during installation: If the installer asks to unlock your disk, enter the password you use to log in to your Mac. If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first. If your Mac is a 2011 or later you can use Internet Recovery (command-option-r) to erase the hard drive and reinstall the original OS then upgrade to High Sierra from there. If you insist on using El Capitan you will need to sign into the App Store on a Mac that cannot run High Sierra and download EL Cap, then make a bootable usb installer to use on your MBP. Rileypardy123 Said: 'Reinstalling macOS X El Capitan: I’ve been trying to reinstall El Capitan on an old Mac book air and I tried getting help from Apple support and nothing has worked I’ve rebooted into recovery mode I’ve changed the date in terminal pretty much anything I can find on Apple discussions I’ve tried.
However, Internet Recovery is not always a good option, especially if your internet connection is not stable. One of the issues that could occur is error code -2003f. Some Mac users reported trying to reinstall macOS Sierra, but error code -2003f appeared, causing the installation to fail. This error can also happen when re-installing other versions of macOS.
What Is Error Code -2003f?
Error code -2003f happens when users try to re-install macOS using Internet Recovery after reformatting the drive. The error may cause your Mac to freeze and the installation of the operating system to fail. Aside from an unresponsive machine, you might also see a spinning globe or a blank screen that means the reinstallation process got stuck. You might even lose all access to your computer because of the bug.
Some users who were trying to install macOS Sierra but got error code -2003f reported seeing a flashing folder with a question mark before the error appeared. The flashing folder with a question mark means that your Mac cannot find its system software, making it impossible to proceed with the installation.
What Causes Error Code -2003f?
Poor internet connection is the leading cause of this error. Negative error codes in this range are usually associated with Wi-Fi problems. This means that your internet connection is not sufficient to successfully complete the process. The error often happens when you’re doing internet recovery over Wi-Fi connection.
Aside from poor unstable internet connection, other factors that could lead to error code -2003f include virus infection, hard disk errors, and incomplete installation of macOS. We’ve listed here several ways to resolve this problem and get rid of this error code.
How to Fix Error Code -2003f
Fixing error code -2003f is simple, especially once you’ve narrowed down the real cause of the problem. Getting rid of the junk files on your Mac with the help of Outbyte MacRepair can help rule out other factors that might be causing the error. Scan your Mac with your antivirus software as well before doing any troubleshooting to make sure that viruses are not wreaking havoc on your computer.
Once you’ve completed these steps, you can then proceed with the fixes below.
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Fix #1: Switch to Wired Connection.
Reinstall El Capitan
Since the main reason behind this error is a poor internet connection, switching to wired connection should be your first course of action. Disconnect your Wi-Fi connection first, then restart your router. Next, use an ethernet cable to connect your Mac to your router, then try running Internet Recovery again to see if the error has been fixed.
Fix #2: Reset PRAM and NVRAM.
Another way to fix error code -2003f is to reset the Parameter RAM (PRAM) or Non-Volatile RAM (NVRAM). NVRAM, which is the modern version of PRAM, stores system settings, including serial port configuration and definition.
To reset your Mac’s PRAM/NVRAM, follow the steps below:
- Restart your Mac.
- When you hear the startup sound, hold down Command + Option + P + R immediately.
- Hold this combination for 20 seconds, then let go to continue booting up.
- If you have an older version of Mac, keep holding the keys until you hear the second startup sound.
Try reinstalling via Internet Recovery again to see if you can complete the process successfully.
Fix #3: Run Disk Utility.
Reinstall El Capitan On Mac
A damaged or defective hard drive can cause several problems for your Mac, including error code -2003f. You can use macOS’ built-in disk utility to repair a damaged or defective hard drive.
Follow these instructions to run the disk tool to restore your drive:
- Launch macOS Utilities by restarting your Mac and holding down Command + R.
- Release the keys when the macOS Recovery page loads.
- Click on Disk Utility from the options, then hit Continue.
- Click View, then Show All Devices.
- Choose your installation disk from the sidebar.
- Click the First Aid Button >Run.
- Follow the on-screen instructions to repair the disk.
Reinstall El Capitan Mac
Once the hard drive has been repaired, check if you are able to re-install macOS without encountering error code -2003f.
Fix #4: Use a Bootable USB Installer
If reinstalling via Internet Recovery doesn’t work, you can use a bootable installer instead to install the Mac operating system. This allows you to install macOS even with poor internet connection.
To create your bootable installer, follow the steps below:
Reinstall El Capitan Temporarily Unavailable
- Download your preferred macOS. For macOS Mojave, you can get it directly from the App Store.
- For older versions of macOS, check the Purchased tab of your App Store and download the installer from there.
- When the installer loads after downloading, quit it immediately.
- Find the installer file in your Applications folder. It should be named Install <macOS version>.
- Connect the USB device or external hard drive you are going to use as the bootable media to your Mac. Make sure it has at least 12GB of free space and is formatted as Mac OS Extended.
- Launch Terminal from the Utilities folder.
- Type in the command that corresponds to the macOS version you want to install:
- Mojave: sudo /Applications/Install macOS Mojave.app/Contents/Resources/createinstallmedia –volume /Volumes/MyVolume
- High Sierra: sudo /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia –volume /Volumes/MyVolume
- Sierra: sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia –volume /Volumes/MyVolume –applicationpath /Applications/Install macOS Sierra.app
- El Capitan:sudo /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia –volume /Volumes/MyVolume –applicationpath /Applications/Install OS X El Capitan.app
- Hit Enter to execute the command.
- Type in your account name and password to proceed.
- Press Y to erase the volume.
- Wait for the process to be completed, then eject the volume afterwards.
To use the bootable installer to reinstall macOS, edit your startup preferences using Startup Manager and choose your USB or hard drive as the startup disk. Your computer will then start up to macOS Recovery. Just click the Install macOS button and follow the on-screen instructions from there.
Summary
Getting error code -2003f while reinstalling macOS via Internet Recovery can be irritating because it compounds whatever problem you are experiencing instead of fixing it. Fortunately, the methods above should help resolve this error and allow you to finish the installation process successfully.
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You’ve most likely already updated your Mac to OS X El Capitan, but have you taken the essential post-updating steps necessary? Here are four things to do after installing OS X El Capitan.
OS X El Capitan was released last week to much fanfare. The new version of Apple’s Mac operating system arrived with a handful of cool new features, and while it keeps the same overall design as OS X Yosemite, the new version has enough to offer that makes it a great upgrade for users.
There are improvements to Spotlight Search that give users more information when searching for something, as well as allows users to use natural language to look up something, like “emails that I’ve ignored from Chris,” giving you a list of emails from Chris that you haven’t read yet or replied to.
There’s also new swipe gestures that you can use in a handful of stock apps, like Mail and Safari, and there’s also a revamped Notes app that allows users to insert photos, create checklists, and provides more options for organization.
Read: How to Upgrade Your Mac to OS X El Capitan
There’s even a new Split View feature for ultimate multitasking.
Overall, it’s a nice upgrade from OS X Yosemite. However, if you updated to OS X El Capitan, there are a handful of things that you should do after installing the new version.
Troubleshoot Any Problems
A new OS X version isn’t complete without its initial problems that pop up when it first releases, which is there are usually a handful of updates that release throughout the year to fix them.
If you come across any problems in OS X El Capitan, you’ll want to know how to troubleshoot these problems in the hopes that you can fix them yourself, even if it’s temporary.
We’ve already discussed a handful of problems with El Capitan and how to fix them, but if you’re having a unique problem, there are several ways to go about troubleshooting it and finding a solution.
Apple’s own support community forums are great for posting your problems or searching for a post that someone has already posted. More than likely, there’s someone else that’s experiencing the exact same problem as you.
If there’s not a fix for your problem, then the only thing you can really do is wait for an update from Apple, which will come with all sorts of bug fixes that could fix your problem.
Update Apps
When a new version of OS X releases, most apps can work with it right out of the box, but sometimes apps need to be updated by the developer in order for them to properly work. This goes for OS X El Capitan.
For me, all of my apps worked just fine with OS X El Capitan without needing updates, but I really only have a small handful of apps that I use. Your situation might be different.
Reinstalling Mac Os X El Capitan
Even if an app does work with OS X El Capitan out of the box, it’s possible that the developer is working on a new version to officially support the new OS X update, and it could even come with some new features exclusively for OS X El Capitan users.
This is why it’s important to check for updates more often the first couple of weeks after you install OS X El Capitan, since many apps could have received updates.
Reconfigure Settings
While updating to OS X El Capitan keeps your apps and settings intact, it actually changes around some settings automatically, so if you had something disabled while you were on OS X Yosemite, it could have been enabled during the El Capitan installation.
This is why it’s important to go back into System Preferences after you updated OS X and just make sure that all of the settings that you want changed are indeed changed.
Plus, it’s a good idea to do this every now and then anyway to make sure that your settings are where you want them to be at all times.
Back Up
Lastly, but certainly not least, after you update to OS X El Capitan and everything is running smoothly, be sure to back up your Mac.
Time Machine is perhaps the best option for backing up your Mac, as it’s a built-in utility and it’s really easy to use. Plus, it automatically backs up your files on a daily basis without any interaction from the user.
Of course, there are other options, like cloud backup services, but Time Machine is an easy-to-use solution that gets the job done without much fuss.
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