All About Fix USB Accessories Disabled Error on MacOS

All About Fix USB Accessories Disabled Error on MacOS

USB accessories are essential tools for modern computer users, allowing for easy and convenient connection of external devices such as keyboards, mice, printers, and more. However, Mac users may occasionally encounter an error where their USB accessories are disabled, preventing them from using these devices. This can be frustrating and disruptive to daily tasks, but fear not – there are solutions to fix this common issue. In this article, we will delve into the causes of the “USB accessories disabled” error on MacOS and provide step-by-step instructions on how to resolve it. So if you’re tired of your USB accessories failing to work on your Mac, keep reading to learn all about fixing this pesky problem.

How to Fix “USB Accessories Disabled” Error on MacOS?

If you’re a Mac user, you may have encountered the dreaded “USB Accessories Disabled” error when plugging in a USB device. This error can be frustrating, especially when you’re in the middle of a task and suddenly your USB accessories, such as keyboard, mouse or external hard drive, stop working.

In this guide, we will walk you through the steps to fix the “USB Accessories Disabled” error on your Mac.

Step 1: Check your USB ports

The first thing you should do when encountering this error is to check your USB ports. Sometimes, dust and debris can accumulate in the port, causing connectivity issues. Use a compressed air can to clean out any debris and try plugging in your USB device again.

If the issue persists, try using a different USB port. Sometimes, one of the USB ports on your Mac may be malfunctioning, so switching to another port can help solve the problem.

Step 2: Reset SMC and NVRAM/PRAM

If cleaning your USB ports and switching to a different port doesn’t work, the next step is to reset your Mac’s System Management Controller (SMC) and Non-volatile Random Access Memory (NVRAM) or Parameter Random Access Memory (PRAM). These are two components that store settings related to your USB ports and other hardware.

To reset SMC, shut down your Mac and press and hold the power button for 10 seconds. Then, release the button and turn on your Mac normally.

To reset NVRAM/PRAM, shut down your Mac and press and hold the Command + Option + P + R keys simultaneously for about 20 seconds. Then, release the keys and turn on your Mac normally.

Step 3: Update your software

Outdated software can also cause connectivity issues with your USB accessories. Make sure you have the latest software updates by going to the Apple menu > System Preferences > Software Update. If there are any updates available, install them and then try connecting your USB device again.

Step 4: Disconnect other USB devices

If you have multiple USB devices connected to your Mac, try disconnecting them and see if the “USB Accessories Disabled” error disappears. Sometimes, having too many devices connected can cause conflicts and result in this error.

Step 5: Check for compatibility issues

Make sure your USB device is compatible with your Mac before connecting it. You can check the device’s manual or manufacturer’s website to confirm compatibility. If your USB device is not compatible, it may cause the “USB Accessories Disabled” error to appear.

Step 6: Try a different USB cable

If you are using a USB device that requires a cable, try using a different cable. Sometimes, a faulty cable can cause connectivity issues with your Mac. If the USB device works with a different cable, then the original cable was likely the cause of the error.

Step 7: Check for hardware issues

If none of the above steps work, there might be a hardware issue with your Mac or USB device. You can try connecting the USB device to another computer to see if it works. If it does, then the problem is with your Mac. You may need to take your Mac to an authorized service provider for further diagnosis and repair.


The “USB Accessories Disabled” error on MacOS can be frustrating, but most of the time, it can be easily fixed by following the steps outlined in this guide. However, if none of the solutions work

What Causes “USB Accessories Disabled” Error?

“What Causes “USB Accessories Disabled” Error?

The “USB Accessories Disabled” error is an issue that can occur on a computer when a USB device connected to it is not recognized or acknowledged by the system. This error can be caused by several factors, including faulty hardware, virus/malware infections, outdated drivers, or improper settings. Let’s take a closer look at these possible causes and how to troubleshoot them.

1. Faulty Hardware:
One of the most common reasons for the “USB Accessories Disabled” error is faulty hardware. This can be due to a damaged or malfunctioning USB port, cable, or device. To determine if this is the cause of the error, try connecting the USB device to a different port or using a different cable. If the device works on another port/cable, then the original one may be faulty and needs to be replaced.

2. Virus/Malware Infections:
Another possible cause for this error is a virus or malware infection on your computer. These malicious programs can disrupt the functioning of USB devices and cause errors. To resolve this, run a full system scan with a reliable anti-virus software and remove any detected threats.

3. Outdated Drivers:
Outdated or corrupted device drivers can also lead to the “USB Accessories Disabled” error. To fix this, go to the Device Manager, locate the USB device, right-click on it and select “Update Driver Software.” You can also visit the manufacturer’s website and download the latest drivers for your USB device.

4. Improper Settings:
Sometimes, the error may occur due to incorrect USB settings. To check and adjust these settings, go to the Control Panel, select “System and Security,” and then click on “Power Options.” From there, select “Change plan settings,” click on “Change advanced power settings,” and expand the “USB settings” option. Make sure that the “Selective Suspend” setting is disabled.

5. BIOS Settings:
In some cases, the USB Accessories Disabled error may be caused by incorrect BIOS settings. To fix this, restart your computer and enter the BIOS setup by pressing the designated key (usually F2, F10, or Delete) during boot-up. Once in the BIOS, navigate to the USB settings and check if “Enable USB Controller” is selected. If not, enable it and save the changes.

6. USB Root Hub Settings:
Another potential solution is to ensure that the USB Root Hub is enabled and working properly. To do this, go to the Device Manager, expand the “Universal Serial Bus controllers” category, right-click on “USB Root Hub” and select “Properties.” Under the “Power Management” tab, make sure that the option “Allow the computer to turn off this device to save power” is unchecked.

In conclusion, the “USB Accessories Disabled” error can be caused by various factors, including faulty hardware, virus infections, outdated drivers, or improper settings. By following the troubleshooting methods listed above, you should be able to fix the issue and get your USB device working again.

Update the macOS of Your System to the Latest Build

Update the macOS of Your System to the Latest Build

Updating your macOS to the latest build is an important step in keeping your computer up-to-date with the latest features, enhancements, and security fixes. In this blog post, we will walk you through the process of updating your macOS to the latest build.

Step 1: Check Your System Compatibility

Before you start the update process, it is important to check if your system is compatible with the latest macOS build. Head to the Apple support website and look for the latest macOS build. Scroll down to see the list of compatible Mac models. If your system is not mentioned in the list, it means that it is not compatible with the latest build.

Step 2: Backup Your Data

Before you begin the update process, it is always recommended to backup your data. This way, if anything goes wrong during the update, you can easily restore your data. You can either use Time Machine or manually backup your important files to an external hard drive or cloud storage.

Step 3: Download the Latest Build

Once you are sure that your system is compatible with the latest build, it is time to download it. Open the App Store on your Mac and navigate to the Updates section. You should see the latest macOS build available for download. Click on the Download button and wait for the download to complete.

Step 4: Start the Installation Process

Once the download is complete, the installation process will automatically start. If it does not, go to your Applications folder and double-click on the “Install macOS” file.

A window will appear with the installation instructions. Follow the on-screen prompts and choose your desired options, such as language, storage location, etc. Once done, click on Continue.

Step 5: Wait for the Installation to Complete

The installation process can take anywhere from 30 minutes to an hour, depending on your system’s speed. It is crucial that you do not interrupt the installation process in between, as it could lead to errors in the system.

Step 6: Restart Your System

Once the installation process is complete, your system will automatically restart. If it does not, restart it manually. You should now see the updated macOS version on your screen.

Congratulations, you have successfully updated your macOS to the latest build! Enjoy the new features and improvements in your system.

In conclusion, updating your macOS to the latest build is a simple process that can be easily done by following the steps mentioned above. It is essential to keep your system updated to ensure its optimal performance and security. Make sure to regularly check for updates and install them to keep your Mac running smoothly.

Boot Your Mac Machine into the Safe Mode

If you’re experiencing problems with your Mac, such as crashes, freezing, or strange behavior, booting into Safe Mode can help troubleshoot and potentially resolve the issue. Safe Mode is a diagnostic mode that only loads the necessary system components and disables all non-essential software, giving your Mac a clean slate to work with.

To boot your Mac into Safe Mode, follow these steps:

1. Shut down your Mac completely.

2. Press the power button to turn on your Mac.

3. Immediately press and hold the Shift key on your keyboard.

4. Keep holding the Shift key until you see the Apple logo and the progress bar below it.

5. Once the progress bar is complete, release the Shift key.

6. Your Mac will now boot into Safe Mode.

If your Mac has a login password, you will be prompted to enter it before entering Safe Mode.

While in Safe Mode, you may notice that some features, such as audio and graphics, may not function properly. This is because Safe Mode only loads basic system components. However, you can still perform basic tasks, such as browsing the internet and accessing files.

To exit Safe Mode, simply restart your Mac. It will boot back into its normal mode and all the non-essential software will be enabled again.

If you’re still experiencing issues with your Mac after booting into Safe Mode, it may be a sign of a larger problem. You can try running diagnostics or contacting Apple support for further assistance.

In addition to troubleshooting, Safe Mode can also be useful if you need to perform certain tasks, such as deleting stubborn files or running software updates. Since Safe Mode only loads necessary system components, it reduces the likelihood of encountering any errors or interruptions during these tasks.

In conclusion, booting your Mac into Safe Mode can be a helpful troubleshooting tool for any technical issues you may encounter. It’s also a useful feature for performing certain tasks without any interference from non-essential software. So the next time you experience problems with your Mac, consider booting into Safe Mode before seeking further assistance.

Rese the NVRAM and PRAM Memories

NVRAM (Non-Volatile Random Access Memory) and PRAM (Parameter Random Access Memory) are types of memory technologies used in electronic devices such as computers, routers, and smartphones. These two types of memory play an important role in the functioning and configuration of these devices. In this blog, we will discuss the characteristics, differences, and uses of NVRAM and PRAM memories.


NVRAM is a type of memory that retains its data even when the power is turned off. This makes it non-volatile, meaning it does not require a continuous power source to store data. NVRAM is usually found in small amounts in devices and is used to save important information such as system settings, device configurations, and network details. NVRAM is a form of Random Access Memory (RAM) and is designed to provide fast access to data.

One of the key features of NVRAM is that it is reprogrammable. This means that data stored in NVRAM can be changed and updated as needed. However, it is important to note that excessive reprogramming can reduce the lifespan of NVRAM.


PRAM is also a type of non-volatile memory but has some differences from NVRAM. PRAM was primarily used in older versions of Mac computers, but is now being replaced by NVRAM in newer models. One of the main differences between PRAM and NVRAM is the type of memory cells they use. PRAM uses Floating-Gate Transistors (FGTs) while NVRAM uses Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs). FGTs consume less power, making PRAM more energy-efficient than NVRAM.

Uses of NVRAM and PRAM:

As mentioned earlier, both NVRAM and PRAM are used to store important information related to the configuration and functioning of electronic devices. Some common uses of NVRAM include storing BIOS settings, boot-up configurations, and password protection data. PRAM, on the other hand, stores important system parameters such as screen resolution, the time and date, and sound volume settings.

Another important use of NVRAM and PRAM is in backup and recovery mechanisms. Since these memories are non-volatile, the data stored in them can survive power outages and system crashes, providing a reliable backup of critical information in case of emergencies.

In conclusion, NVRAM and PRAM are essential types of memory that play a crucial role in the functioning and configuration of electronic devices. While both are non-volatile and serve similar purposes, they have slight differences in terms of technology and usage. As technology evolves, these memories will continue to play an important role in the efficient working of electronic devices.

Scan Your Mac for a Malware

Scan Your Mac for a Malware

Malware, short for malicious software, is a type of software designed to harm or exploit your computer system. It can range from annoying pop-up ads to more serious threats like data theft and system damage. Mac users may have a false sense of security as they believe that their devices are less prone to malware compared to Windows computers. While this may be true to some extent, Macs are not entirely immune to malware and it is important to regularly scan your Mac for any potential threats.

In this blog post, we will discuss the importance of scanning your Mac for malware and the steps you can take to do so effectively.

Why should you scan your Mac for malware?

Although Macs have built-in security features that make it difficult for malware to get into your system, they are not foolproof. Cybercriminals are constantly finding new ways to bypass these security measures and target Mac users.

One of the most common ways for malware to enter a Mac is through malicious software disguised as legitimate apps downloaded from third-party websites. These apps may appear harmless at first but can contain harmful code that can infect your Mac.

Another way for malware to enter a Mac is through phishing scams. Phishing scams involve tricking users into providing personal information, such as login credentials, through fake emails or websites. This information can then be used to gain access to your Mac and install malware.

Scanning your Mac for malware on a regular basis can help you detect any potential threats and prevent them from causing harm to your system.

How to scan your Mac for malware?

1. Use built-in Mac security features – Macs have built-in security features such as XProtect and Gatekeeper that can detect and block malicious software. XProtect scans files upon download and blocks any known malware, while Gatekeeper checks the code signature of apps before allowing them to run. You can enable these features by going to System Preferences > Security & Privacy.

2. Use an antivirus software – While Macs may have built-in security features, it is still recommended to use a reputable antivirus software for an extra layer of protection. These software often have more extensive databases and can detect newer and more complex forms of malware. Some popular options include Malwarebytes, Kaspersky, and Avast.

3. Perform regular system updates – Apple releases regular updates for their operating system to address any known security vulnerabilities. Make sure to keep your Mac updated to the latest version to stay protected against any potential threats.

4. Use a trusted browser – Browsers are often targeted by malware as they are the gateway for users to access the internet. Stick to well-known and trusted browsers such as Safari, Chrome, or Firefox, and make sure to keep them updated to the latest version.

5. Be cautious of emails and downloads – As mentioned earlier, phishing scams and fake apps are common ways for malware to enter a Mac. Be cautious when opening emails from unknown senders and downloading apps from third-party websites. Always double-check the source and legitimacy of the email or app before clicking on any links or downloading them.

In conclusion, while Macs may have built-in security features, it is important to regularly scan your Mac for malware to stay protected against any potential threats. By following the steps mentioned above, you can ensure that your Mac is kept safe and secure. Remember to always be cautious of suspicious emails and downloads and keep your system and software updated to stay one step ahead of cybercriminals.

Use the Disk Utility’s First Aid to Repair the Disk Errors

Disk errors can cause issues with your computer’s performance and can potentially lead to data loss. To prevent these problems, it is important to regularly check your hard drive for errors and repair them. Mac users can use the built-in Disk Utility tool to scan and repair disk errors. Here’s how to use the Disk Utility’s First Aid feature to repair disk errors on your Mac:

Step 1: Open Disk Utility
The Disk Utility tool is built into macOS and can be accessed by going to “Applications > Utilities > Disk Utility.”

Step 2: Select the Disk
In the left-hand sidebar, select the disk you want to repair. This can be your Mac’s internal hard drive or an external hard drive.

Step 3: Run First Aid
Once you have selected the disk, click on the “First Aid” button in the top toolbar. This will start the disk verification process.

Step 4: Wait for the Verification to Complete
The First Aid tool will now scan your disk for errors. This can take some time, so be patient and allow the process to complete.

Step 5: If There Are Errors, Click on “Repair Disk”
If the First Aid tool detects any errors on your disk, it will prompt you to repair them by clicking on the “Repair Disk” button.

Step 6: Wait for the Repair Process to Complete
The repair process can also take some time, depending on the number of errors found and their severity. It is important to not interrupt the process, as it can cause further damage to your disk.

Step 7: Restart Your Mac
Once the process is complete, you will be prompted to restart your Mac. It is important to do so to ensure that the changes take effect.

Step 8: Repeat the Process
If the First Aid tool was able to repair all the errors, then your disk should now be free of any issues. However, if the tool was unable to repair some of the errors, you may need to run the process again to ensure that all errors are fixed.

In addition to running First Aid on your disk, it is also a good idea to regularly back up your important files to an external drive or cloud storage service. This can help prevent data loss in case of severe disk errors that cannot be fixed.

In conclusion, the Disk Utility’s First Aid feature is a simple and effective way to scan and repair disk errors on your Mac. By regularly running this tool, you can ensure the optimal performance of your computer and prevent data loss.

Perform an SMC Reset

An SMC (System Management Controller) reset is a troubleshooting process that can resolve certain issues with your Apple computer, such as a frozen screen, slow performance, or problems with charging and battery life. The SMC is responsible for managing a variety of hardware functions on your Mac, including power, thermal management, battery charging, and sleep mode. Sometimes, due to software or hardware issues, the SMC can become unresponsive, causing problems with your Mac’s performance.

Performing an SMC reset can help resolve these issues by restarting the SMC and restoring its default settings. It’s a simple process that can be done in a few easy steps. Keep in mind that the steps may vary slightly depending on the model of your Mac, so it’s always best to refer to the official Apple support page for specific instructions for your device.

Step 1: Shut down your Mac
To start the SMC reset process, you need to turn off your Mac completely. If your Mac is frozen and unresponsive, you can force it to shut down by pressing and holding the power button for a few seconds until the screen goes black.

Step 2: Disconnect peripherals
For the best results, it is recommended to disconnect all external peripherals such as a keyboard, mouse, or external display from your Mac. Also, remove the power adapter if it’s connected.

Step 3: Press and hold specific keyboard keys
The keyboard keys you need to press and hold may vary depending on the model of your Mac. For MacBook with a non-removable battery, press and hold the Shift + Control + Option keys on the left side of the keyboard and the power button simultaneously. For iMac, Mac Pro, or Mac Mini, press and hold the Shift + Control + Option keys on the keyboard and press the power button simultaneously.

Step 4: Release the keys and power button
After holding down the keys for 10 seconds, release all the keys and the power button simultaneously.

Step 5: Connect the power adapter
If you have a MacBook with a removable battery, connect the power adapter now. For iMac, Mac Pro, or Mac Mini, wait for at least 5 seconds before connecting the power adapter.

Step 6: Turn on your Mac
Finally, press the power button to turn on your Mac and check if the issue has been resolved. If not, you can try performing an SMC reset again or contact Apple support for further assistance.

In conclusion, performing an SMC reset is a simple and effective troubleshooting step to resolve various issues with your Mac. If you’re experiencing problems with your Mac’s performance, try this process before seeking professional help. However, if the issue persists, it’s best to contact Apple support or take your Mac to an authorized service center for further diagnosis and repair.

Disable DDC/ CI Function of the Monitor

Disable DDC/ CI Function of the Monitor

DDC/CI (Display Data Channel / Command Interface) is a communication protocol that allows the computer to control certain settings and features of the monitor, such as brightness, contrast, and color. However, in some cases, the DDC/CI function may cause issues with the display or interfere with other external devices.

If you are experiencing any problems or simply want to disable the DDC/CI function of your monitor, here’s how you can do it:

1. Using the monitor settings: Some modern monitors have the option to disable DDC/CI directly from the settings menu. You can access the settings by pressing the menu button on your monitor and navigating to the DDC/CI or control sub-menu. From there, you can toggle the function on or off.

2. Using the graphics card settings: You can also disable DDC/CI through your computer’s graphics card settings. For Windows users, right-click on your desktop and select “NVIDIA Control Panel” or “AMD Radeon Settings.” From there, navigate to the Display tab and look for an option to disable DDC/CI.

3. Using display drivers: If your monitor does not have the option to disable DDC/CI in its settings menu, you can try updating your display drivers. Sometimes, manufacturers release driver updates that include the option to disable DDC/CI. You can check for updates through your computer’s device manager or by visiting the manufacturer’s website.

4. Using third-party software: There are also third-party software options available that can help you disable DDC/CI. These programs allow you to customize your display settings, including turning off DDC/CI easily. Some popular options include NirSoft’s MonitorInfoView and Display Tuner.

Why disable DDC/CI?

There can be multiple reasons why you may want to disable DDC/CI. Some external devices, such as KVM switches, may not be compatible with the DDC/CI function, causing issues with the display. In such cases, turning off DDC/CI can help resolve the problem.

Moreover, if you have multiple monitors connected to your computer, disabling DDC/CI on one monitor may help prevent interference with the other. It can also help reduce power consumption and improve performance.

However, keep in mind that disabling DDC/CI can limit your ability to control your monitor’s settings from your computer. You will need to manually adjust the settings on your monitor if you need to make any changes.

In conclusion, if you are facing any problems with your monitor’s display or external devices, try disabling the DDC/CI function. You can do it through monitor settings, graphics card settings, display drivers, or third-party software. However, remember to weigh the pros and cons before making the decision to disable DDC/CI.

Disable Notifications or Enable Do Not Disturb Mode of Your System

In a world where we are constantly connected and bombarded with notifications from our various devices, it can be overwhelming to constantly receive alerts. Whether it’s from emails, social media, or other apps, these notifications can be distracting and disrupt our productivity. Thankfully, most operating systems have a built-in feature called “Do Not Disturb” mode that allows you to disable notifications and focus on your tasks without any interruptions. In this blog post, we will discuss how to enable Do Not Disturb mode and how it can benefit you.

What is Do Not Disturb mode?

Do Not Disturb mode, also known as DND or silent mode, is a setting that mutes all incoming notifications and alerts on your device. It essentially puts your device on a “silent” state, allowing you to concentrate on your work without any interruptions. This feature has been available on smartphones for a while, but now it is also available on most laptops and desktops, including Windows, Mac, and Linux.

How to enable Do Not Disturb mode on your device

The steps to enable Do Not Disturb mode may vary depending on your operating system, but it is generally a straightforward process. Here are the steps to enable DND on some popular operating systems:

Windows: To enable Do Not Disturb mode on Windows 10, click on the “Action Center” in the bottom right corner of your screen, or press the Windows key + A. Then click on the “Focus Assist” option and select either “Priority only” or “Alarms only” to enable DND mode.

Mac: On a Mac, you can enable Do Not Disturb mode by clicking on the notification center icon in the top right corner of your screen, or by swiping left with two fingers from the right edge of your trackpad. Then, click on the “Do Not Disturb” option to turn it on.

Linux: Linux users can also enable Do Not Disturb mode by clicking on the notification center icon in the top right corner and selecting the “Do Not Disturb” option.

Benefits of using Do Not Disturb mode

1. Increased productivity: One of the main benefits of Do Not Disturb mode is that it helps you to focus on your work without any distractions. By disabling notifications, you can complete your tasks more efficiently and without interruptions.

2. Better sleep: For those who use their devices close to bedtime, enabling DND mode can be beneficial as it reduces the chances of getting disturbed by constant notifications. This can, in turn, lead to a better night’s sleep.

3. Reduces stress and anxiety: Constant notifications can be overwhelming and cause stress and anxiety. By silencing your device, you can take a break from the constant stream of information and relax.

4. Customizable settings: Do Not Disturb mode allows you to customize the settings according to your needs. For example, on some devices, you can set specific times when this mode will be automatically enabled, or choose to receive notifications only from specific contacts or apps.

In conclusion, Do Not Disturb mode is a useful feature that can help you stay focused and improve your overall well-being. By following the simple steps mentioned above, you can easily enable DND mode and enjoy uninterrupted work or leisure time. So, the next time you need some uninterrupted time, don’t forget to turn on Do Not Disturb mode on your device.


In conclusion, troubleshooting the “Fix USB Accessories Disabled Error” on MacOS can be a daunting task, but with the right approach and knowledge, it can be easily resolved. Through this article, we have explored the various causes of this error and provided detailed steps to fix them. From checking the USB cable and port to resetting the System Management Controller, these methods can help overcome the issue and ensure smooth functioning of USB accessories on your MacOS device. Keep in mind to always update your operating system and regularly check for any software conflicts to prevent this error from occurring in the future. With these tips, you can confidently troubleshoot and fix the “Fix USB Accessories Disabled Error” on your MacOS device.

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