Learn the common OS X El Capitan problems and be instructed on the workflow of downgrading to previous operating system version in a hassle-free way.
Apple’s brand-new OS X El Capitan centers around speed, stability and security. The existing Mac customers whose boxes meet this operating system version’s technical specifications qualify to get their upgrade for free, which is great news given the anticipations of a better performance, simplicity and a more streamlined experience with the Split View multitasking as well as refined features, including Apple Maps, Spotlight, Notes, Photos, and Safari browser. Both the end users and experts enjoy the new look and feel of the platform, plus it’s processing the commonplace tasks notably faster. Just like it often times occurs with upgrades, though, there are some flies in the ointment along the way. The current bugs with wireless connection, apps and peripherals, obviously, will be gradually fixed as subsequent El Capitan updates are rolled out, but what to do if the wait isn’t an option?
Apple Mac OS X 10.11, El Capitan Operating System Software, Apple Mac Pro Mac OS X 10.11, El Capitan Apple Desktops & All-In-One Computers, Casual Computing Mac OS X 10.11, El Capitan MacBook 60GB or more Intel Core Duo Apple Laptops, Mac OS X 10.11, El Capitan MacBook Air Apple Laptops 11.6 in Screen. Oct 11, 2015 Reinstall OS X Yosemite. The Mac maintenance and security app called Combo Cleaner is a one-stop tool to detect and remove OS X El Capitan virus. This technique has substantial benefits over manual cleanup, because the utility gets hourly virus definition updates and can accurately spot even the newest Mac infections.
Let’s review some of the issues reported by users after upgrading to El Capitan. Quite a few Mac computer owners are encountering WiFi problems, in particular slow connection or hurdles establishing it altogether. There are widespread Bluetooth issues, especially in regards to Magic Trackpad connectivity, which won’t let people use their mouse and other wireless devices. Some users are complaining of annoying sidebar opening in the updated Safari at random. The Photos app has been giving customers a hard time too, displaying a message that says “Photos must quit because the photo library has become unavailable or its data is corrupt”. Previewing photos might make them come up green. To top it all off, Microsoft Office products for Mac are known to be crashing – the problem is being worked on, but the timeline for the fix isn’t clear thus far.
Beyond any doubt, the multiple El Capitan bugs are going to be addressed by Apple in the near future. Sometimes, however, the user needs full functionality of their machine right here and right now, for instance when a project deadline is approaching or similar. If that’s the case, it’s possible to downgrade to the previous OS X version as a temporary or permanent measure. Importantly, this process should be complemented by restoring all data. The section below covers the steps to uninstall OS X El Capitan and reinstall Yosemite the right way.
Uninstall OS X El Capitan manually
Before proceeding, think twice whether the current issues after upgrading to El Capitan are critical enough to switch back. If so, make sure the machine is connected to the Internet and follow the steps below.
1. Click on the Apple icon in the top left part of the desktop and select Restart from the drop-down
2. As the machine is restarting, press Command + R
3. Select Disk Utility on the Mac OS X Utilities screen and click Continue
4. Highlight the startup disk and hit Erase tab
5. When a popup window appears, make sure the OS X Extended (Journaled) is selected in the Format field and assign a name to your disk (e.g. Macintosh HD)
6. Click the Erase button and wait for the operation to complete.
Reinstall OS X Yosemite
The Mac maintenance and security app called Combo Cleaner is a one-stop tool to detect and remove OS X El Capitan virus. This technique has substantial benefits over manual cleanup, because the utility gets hourly virus definition updates and can accurately spot even the newest Mac infections.
Furthermore, the automatic solution will find the core files of the malware deep down the system structure, which might otherwise be a challenge to locate. Here’s a walkthrough to sort out the OS X El Capitan issue using Combo Cleaner:
- Download Combo Cleaner installer. When done, double-click the combocleaner.dmg file and follow the prompts to install the tool onto your Mac. By downloading any applications recommended on this website you agree to our Terms and Conditions and Privacy Policy. The free scanner checks whether your Mac is infected. To get rid of malware, you need to purchase the Premium version of Combo Cleaner.
- Open the app from your Launchpad and let it run the update of malware signature database to make sure it can identify the latest threats.
- Click the Start Combo Scan button to check your Mac for malicious activity as well as performance issues.
- Examine the scan results. If the report says “No Threats”, then you are on the right track with the manual cleaning and can safely proceed to tidy up the web browser that may continue to act up due to the after-effects of the malware attack (see instructions above).
- In case Combo Cleaner has detected malicious code, click the Remove Selected Items button and have the utility remove OS X El Capitan threat along with any other viruses, PUPs (potentially unwanted programs), or junk files that don’t belong on your Mac.
- Once you have made doubly sure that the malicious app is uninstalled, the browser-level troubleshooting might still be on your to-do list. If your preferred browser is affected, resort to the previous section of this tutorial to revert to hassle-free web surfing.
When you upgrade to macOS Catalina, you get more of everything you love about Mac. Experience dedicated apps for music, TV, and podcasts. Smart new features in the apps you use every day. And Sidecar, which lets you use iPad as a second Mac display. Best of all, upgrading is free and easy.
Chances are, your Mac can run macOS Catalina.
Mac computers with Metal-capable graphics processors (GPUs) can upgrade to macOS Catalina.
Make sure you’re ready to upgrade.
Os X Sierra
Before you upgrade, we recommend that you back up your Mac. Then, if your Mac is running OS X Mavericks 10.9 or later, you can upgrade directly to macOS Catalina.
Upgrading is free. And easier than you think.
Upgrading from macOS Mojave?
Go to Software Update in System Preferences to find the macOS Catalina upgrade. Click Upgrade Now and follow the onscreen instructions to begin your upgrade. If you don’t have broadband access, you can upgrade your Mac at any Apple Store.
Upgrading from an older version of macOS?
If you’re running High Sierra (10.13), Sierra (10.12), or El Capitan (10.11), upgrade to macOS Catalina from the App Store. If you’re running Lion (10.7) or Mountain Lion (10.8), you will need to upgrade to El Capitan (10.11) first. If you don’t have broadband access, you can upgrade your Mac at any Apple Store.
- OS X 10.9 or later
- 4GB of memory
- 12.5GB of available storage (OS X El Capitan 10.11.5 or later)*
- Some features require an Apple ID; terms apply.
- Some features require a compatible internet service provider; fees may apply.
For details about your Mac model, click the Apple icon at the top left of your screen and choose About This Mac. These Mac models are compatible with macOS Catalina:
- MacBook (Early 2015 or newer)
- MacBook Air (Mid 2012 or newer)
- MacBook Pro (Mid 2012 or newer)
- Mac mini (Late 2012 or newer)
- iMac (Late 2012 or newer)
- iMac Pro (2017)
- Mac Pro (Late 2013 or newer)
Siri
Requires a broadband internet connection and microphone (built-in or external).
Hey Siri
Supported by the following Mac models:
- MacBook Pro (2018 or newer)
- MacBook Air (2018 or newer)
- iMac Pro
Dictation, Voice Control, and Voice Memos
Requires a microphone (built-in or external).
Spotlight Suggestions
Requires a broadband internet connection.
Gestures
Requires a Multi-Touch trackpad, Force Touch trackpad, Magic Trackpad, or Magic Mouse.
Force Touch gestures require a Force Touch trackpad.
VoiceOver gestures require a Multi-Touch trackpad, Force Touch trackpad, or Magic Trackpad.
Photo Booth
Requires a FaceTime or iSight camera (built-in or external), or USB video class (UVC) camera.
FaceTime
Audio calls require a microphone (built-in or external) and broadband internet connection.
Video calls require a built-in FaceTime camera, an iSight camera (built-in or external), or a USB video class (UVC) camera; and broadband internet connection.
Apple TV
High Dynamic Range (HDR) video playback is supported by the following Mac models:
- MacBook Pro (2018 or newer)
- iMac Pro (2017)
- Mac Pro (2019) with Pro Display XDR
Dolby Atmos soundtrack playback is supported by the following Mac models:
- MacBook Air (2018 or newer)
- MacBook Pro (2018 or newer)
Sidecar
Supported by the following Mac models:
- MacBook (2016 or newer)
- MacBook Air (2018 or newer)
- MacBook Pro (2016 or newer)
- Mac mini (2018 or newer)
- iMac (late 2015 or newer)
- iMac Pro (2017 or newer)
- Mac Pro (2019)
Supported by all iPad models with Apple Pencil support:
- 12.9-inch iPad Pro
- 11-inch iPad Pro
- 10.5-inch iPad Pro
- 9.7-inch iPad Pro
- iPad (6th generation or later)
- iPad mini (5th generation)
- iPad Air (3rd generation)
Continuity Camera
Requires an iPhone or iPad with a Lightning connector and iOS 12 or later.
Continuity Sketch and Continuity Markup
Requires an iPhone with iOS 13 or an iPad with iPadOS.
Handoff
Requires an iPhone or iPad with a Lightning connector and iOS 8 or later.
Instant Hotspot
Requires an iPhone or iPad with cellular connectivity, a Lightning connector, and iOS 8.1 or later. Requires Personal Hotspot service through your carrier.
Universal Clipboard
Requires an iPhone or iPad with a Lightning connector and iOS 10 or later.
Auto Unlock
Supported by Mac models introduced in mid 2013 or later.
Requires an Apple Watch with watchOS 3 or later or an iPhone 5 or later.
Approve with Apple Watch
Supported by Mac models introduced in mid 2013 or later.
Requires an Apple Watch with watchOS 6 or later or an iPhone 6s or later with iOS 13.
Apple Pay on the Web
Requires MacBook Pro with Touch Bar, an iPhone 6 or later with iOS 10 or later, or an Apple Watch with watchOS 3 or later.
Phone Calling
Requires an iPhone with iOS 8 or later and an activated carrier plan.
SMS
Requires an iPhone with iOS 8.1 or later and an activated carrier plan.
Home
Requires an iPhone with iOS 12 or later and a configured Home app.
AirDrop
AirDrop to iOS and iPadOS devices requires an iPhone or iPad with a Lightning connector and iOS 7 or later.
AirPlay
AirPlay Mirroring requires an Apple TV (2nd generation or later).
AirPlay for web video requires an Apple TV (2nd generation or later).
Peer-to-peer AirPlay requires a Mac (2012 or later) and an Apple TV (3rd generation rev A, model A1469 or later) with Apple TV software 7.0 or later.
Time Machine
Requires an external storage device (sold separately).
Power Nap
How To Reinstall Os X El Capitan For Macbook Air 2012
Supported by the following Mac models:
![How to reinstall mac os el capitan How to reinstall mac os el capitan](/uploads/1/3/7/4/137402253/125028673.jpg)
- MacBook (Early 2015 or newer)
- MacBook Air (Mid 2012 or newer)
- MacBook Pro with Retina display (Mid 2012 or newer)
- Mac mini (Late 2012 or newer)
- iMac (Late 2012 or newer)
- iMac Pro (2017)
- Mac Pro (Late 2013 or newer)
Boot Camp
Allows Boot Camp installations of Windows 10 on supported Mac models.
Exchange Support
Requires Microsoft Office 365, Exchange 2016, Exchange 2013, or Exchange Server 2010. Installing the latest Service Packs is recommended.
Windows Migration
Supports OS X 10.7 or later and Windows 7 or later.
App Store
Available only to persons age 13 or older in the U.S. and many other countries and regions.
- Apple Books
- Apple News
- App Store
- Automator
- Calculator
- Calendar
- Chess
- Contacts
- Dictionary
- DVD Player
- FaceTime
- Find My
- Font Book
- Home
- Image Capture
- Launchpad
- Maps
- Messages
- Mission Control
- Music
- Notes
- Photo Booth
- Photos
- Podcasts
- Preview
- QuickTime Player
- Reminders
- Safari
- Siri
- Stickies
- Stocks
- System Preferences
- TextEdit
- Time Machine
- TV
- Voice Memos
- Activity Monitor
- AirPort Utility
- Audio MIDI Setup
- Bluetooth File Exchange
- Boot Camp Assistant
- ColorSync Utility
- Console
- Digital Color Meter
- Disk Utility
- Grapher
- Keychain Access
- Migration Assistant
- Screenshot
- Screen Time
- Script Editor
- Sidecar
- System Information
- Terminal
- VoiceOver Utility
- Arabic
- Catalan
- Croatian
- Simplified Chinese
- Traditional Chinese
- Traditional Chinese (Hong Kong)
- Czech
- Danish
- Dutch
- English (Australia)
- English (UK)
- English (U.S.)
- Finnish
- French
- French (Canada)
- German
- Greek
- Hebrew
- Hindi
- Hungarian
- Indonesian
- Italian
- Japanese
- Korean
- Malay
- Norwegian
- Polish
- Brazilian Portuguese
- Portuguese
- Romanian
- Russian
- Slovak
- Spanish
- Spanish (Latin America)
- Swedish
- Thai
- Turkish
- Ukrainian
- Vietnamese