mac repair near me

Troubleshooting MacOS: An In-depth Guide to Solving Common Issues

Don't let Mac OS issues slow you down - empower yourself with troubleshooting techniques to keep your system running smoothly.


Mac systems have become incredibly popular over the years, known for their sleek design, user-friendly interface, and reliability. As Apple’s proprietary operating system, MacOS powers millions of MacBooks, iMacs, and other Apple devices used by consumers and professionals alike. However, even reliable systems like MacOS can run into problems occasionally. This blog post aims to explore some of the most common MacOS issues users face and provide helpful troubleshooting solutions to get systems back up and running smoothly.

Whether experiencing slow performance, system crashes, Wi-Fi connectivity problems, or common software errors, this guide offers practical fixes to get Macs operating optimally again. With a proactive approach to maintenance like regularly updating software, backing up data, and utilising built-in utilities like Disk Utility, many issues can be prevented or easily resolved. For more stubborn problems, we’ll also cover when it’s wise to enlist professional help from a service like My Computer Works.

By the end, Mac users will feel empowered to handle a range of common system issues on their own. With the right troubleshooting techniques, you can get your Mac humming along like normal again in no time!

Identifying Mac OS Problems

Slow performance issues are a common complaint among Mac users. The system can begin to lag and feel sluggish over time as disk space fills up and resource-hungry applications run in the background. Using the built-in Activity Monitor tool is a great way to identify which apps are using up system resources. Quitting unused apps can help free up RAM and improve speed. Clearing up disk space by deleting unused files and applications is another technique to boost performance.

Addressing Freezes and Crashes

When a Mac freezes or crashes unexpectedly, it can be incredibly frustrating. However, there are a few common culprits to check. An incompatible app or system extension could be causing conflicts. Updating apps and macOS to the latest versions can help resolve this. Insufficient RAM may lead to freezes when running intensive tasks. Restarting and using Activity Monitor to quit other apps can help. Hardware issues like bad RAM or a failing hard drive could also be the root issue. Running Apple Diagnostics can help test for faults.

Software Compatibility Issues

Sometimes apps won’t launch or function properly due to compatibility problems after an operating system update. Checking that the app has been updated to work with the current macOS version is important. For older apps, using the Rosetta translation tool or an earlier version of macOS compatible with the app can help. Creating a separate test user account on the Mac can determine if the issues stem from system-wide problems versus user account conflicts. Reinstalling the app and resetting app permissions/preferences may also resolve stubborn software issues.

The Impact of macOS Updates on Older Devices from My Computer Works

Wi-Fi and Connectivity Issues

Wi-Fi connectivity issues are a common frustration for Mac users. Frequent disconnections, slow speeds, and difficulty connecting can make it seem like your Wi-Fi is unreliable. However, there are several troubleshooting techniques you can try before giving up.

Solutions for Wi-Fi Drops and Disconnections

If your Mac keeps dropping its Wi-Fi connection, the problem could be interference from other devices, distance from your router, or software settings. Try these fixes:

  • Make sure your router firmware is updated and restart your router
  • Check the Wi-Fi channels in use and switch to a less crowded channel
  • Move your Mac closer to the router if the signal is weak
  • Disable VPNs, proxies, or security software temporarily to test if they are interfering
  • Reset your Mac’s PRAM/NVRAM to clear any Wi-Fi settings errors

Strategies for Improving Wi-Fi Connectivity

Aside from connection drops, slow Wi-Fi speeds can also hamper connectivity. To optimise performance:

  1. Make sure your router’s antennas are properly positioned
  2. Change your router’s broadcast channel to reduce interference
  3. Set up router QoS to prioritise your Mac’s traffic
  4. In Network Preferences, set your DNS servers to Google or OpenDNS
  5. Customise your Mac’s MTU setting for your network (around 1400-1500)

Troubleshooting Bluetooth Connectivity

Like Wi-Fi, Bluetooth can also be temperamental. If you have issues with Bluetooth peripherals:

  • Check that devices are charged, powered on, and paired properly
  • Reset Bluetooth module by turning off Bluetooth then shutting down and restarting your Mac
  • Delete the device pairing and re-pair to refresh the connection
  • Check for sources of interference like USB 3.0 devices or heavy network traffic
  • Try moving closer to the device if the Bluetooth signal is weak

With some targeted troubleshooting, you can get your Mac’s wireless connectivity back up to speed.

Startup and Boot Problems

If your Mac is having issues starting up, there are several troubleshooting steps you can try. First, check your power connections and cables to make sure everything is securely plugged in. Faulty cables or loose connections are a common cause of startup problems.

You’ll also want to check your login items and startup programs. An incompatible app trying to load at startup can prevent your Mac from booting properly. Go to System Preferences > Users & Groups > Login Items and remove any suspicious or unnecessary programs.

Repair Disk Permissions

Using Disk Utility to verify and repair disk permissions can often resolve quirky startup issues. Disk Utility is built into your Mac – just search for it in Spotlight. Click your startup drive, select First Aid, then click “Repair Disk Permissions.” This will scan and fix any errors.

Reset NVRAM and SMC

Resetting your Mac’s NVRAM and SMC can clear out certain startup settings that may be causing problems. Here are the steps:

  1. Shut down your Mac
  2. For NVRAM: Press the power button and immediately hold down Command + Option + P + R until you hear the startup chime a second time
  3. For SMC: Press left Shift + Control + Option + Power button at the same time. Release all keys at once

After resetting NVRAM and SMC, attempt to start up your Mac again normally.

Reinstall macOS

If the above steps don’t work, you may need to reinstall your Mac’s operating system. First, back up your data. Then boot into Recovery Mode by holding Command + R when turning on your Mac. You can use Disk Utility to erase/format the startup drive, then proceed with reinstalling macOS.

For advanced startup issues, it’s best to take your Mac into an Apple Store or authorised service provider. They can diagnose hardware faults or utilise advanced tools like Apple Diagnostics to pinpoint the problem.

Common Software Errors

Application crashes and freezes can be incredibly frustrating for Mac users. Often, these issues stem from problems with specific apps rather than systemic software errors. If an app is crashing frequently, first try uninstalling and reinstalling the latest version. Also check for available updates to the app which may address stability issues.

If crashes persist, try resetting the NVRAM and SMC on your Mac as this can resolve software conflicts. Additionally, examine the crash logs in Console to pinpoint the cause of the crashes. Deleting the problematic app’s preferences files and clearing caches can also help resolve stubborn stability problems.

Manage Mac Storage to Prevent Errors

Running out of storage space can cause a range of performance issues and errors on a Mac. To manage storage effectively:

  • Use the About This Mac window to monitor available space on your startup disk
  • Offload unused apps and files to external storage
  • Delete system caches and logs using in-built tools like Storage Management
  • Upgrade to a larger internal SSD if necessary to expand available storage

Additionally, optimise storage by storing media files on external drives and enabling optimisation features for System, Photos and Mail. Proactively managing storage can dramatically improve stability and prevent frustrating errors caused by a full disk.

Get your Mac back on track with practical solutions for common Mac OS issues - rely on My Computer Works for expert support.

Solutions and Tips

Keeping your Mac operating system up-to-date is crucial for maintaining performance and fixing issues. Apple regularly releases software updates that include bug fixes, security patches, and new features. To update, go to System Preferences > Software Update and install any available updates. Allowing automatic updates is also an option to ensure you always have the latest version.

Use Disk Utility

Disk Utility is an important built-in Mac app for resolving disk problems. It can repair permissions issues, fix disk errors, verify and repair connected drives, and optimise storage. To use it, go to Applications > Utilities > Disk Utility. Select the disk/drive and click First Aid to check for and fix errors. You can also verify disk health and performance with Disk Utility.

Reset NVRAM and SMC

Resetting the NVRAM and SMC can fix many system issues like battery problems, system crashes, graphics issues, and more. To reset NVRAM, shut down your Mac, turn it on, and immediately press Command + Option + P + R until you hear the startup chime again. This clears parameter random access memory. To reset SMC, press Control + Shift + Option + Power button and release all keys at once. This resets system management controls.

Use Safe and Recovery Modes

Booting into Safe Mode can help isolate software issues by loading only essential drivers and apps. To use, restart your Mac and hold Shift after you hear the startup chime. This launches Safe Mode. Recovery Mode reinstalls macOS and repairs disks. To enter, restart and hold Command + R. Use these modes to troubleshoot when your Mac isn’t working correctly.

Back Up Your Data

Regular backups are crucial for protecting your files from data loss. macOS has a built-in Time Machine feature that makes automated backups effortless. An external hard drive works best for Time Machine. You can also manually backup to cloud storage like iCloud or Dropbox. Having a current backup allows you to easily restore data if needed.

Seeking Professional Help

When it comes to complex hardware issues with your Mac, it may be necessary to seek professional technician assistance. Internal components like the logic board, RAM, hard drive, and other intricate parts can be tricky to diagnose and repair on your own. An experienced technician has the proper tools, training, and experience to accurately pinpoint hardware faults and perform the required repairs.

Addressing Hardware Faults

Warning signs of hardware failure include system crashes, odd graphical glitches, overheating, strange noises from inside the computer, and more. An Apple technician can run diagnostics to isolate the issue and determine which components need replacement. They have access to genuine Apple parts to restore your Mac to full working order.

Data Recovery Assistance

In cases of data loss due to hard drive failure, accidental deletion, water damage, and other catastrophic events, expert data recovery assistance may be required. Apple technicians utilise advanced tools and techniques such as:

  • Bypassing failed components to extract data
  • Repairing drives in a dust-free cleanroom environment
  • Employing data recovery software to salvage lost files

While data recovery can be expensive, it may be the only option for recovering irreplaceable documents, photos, and other important data.

The Impact of macOS Updates on Older Devices from My Computer Works


Troubleshooting issues with your Mac can be frustrating, but this guide has aimed to provide practical solutions to many of the most common problems Mac users face. By summarising key troubleshooting techniques and outlining when professional assistance may be required, users can hopefully resolve problems efficiently and keep their systems running smoothly.

Seek Expert Help When Needed

While this guide aims to provide DIY solutions to common issues, some problems require professional assistance. Complex hardware failure, significant data loss or corruption, and system problems persisting after exhausting self-help steps may necessitate consulting a trained technician. Services like those offered by My Computer Works can provide expert Mac troubleshooting and repair when needed.

Share the Post:

Related Posts