Foxshield

Dec 16, 2020 • Filed to: USB Recovery • Proven solutions

Press and hold the power button for about 10 seconds. You should see the startup options window, which includes a gear icon labeled Options. Select Options, then click Continue. If you never see the startup options window, release the power button, then press and hold it again for another 10 seconds. You can remove login items one at a time and start up your Mac after each removal to see if the problem is gone. To do so, go to System Preferences Users & Groups and click your name on the left. Mac Sierra Sudden Frease Then Manual Can Not See. It helps Mac user to see more web pages, calendar for events, maps, and other apps installed on Mac computer. MacOS Catalina promises new features and big security improvements, but you may still run into issues. Here's how to fix common problems with MacOS Catalina.

How Can I Fix my Flash Drive Not Recognized?

Question: 'My USB flash drive is not recognized when I plug it to the computer. What causes such a problem to happen? Is my USB drive got broken? How to fix the flash drive not recognized issue? Also, can I recover data from the USB flash drive not recognized?'

Solved: USB not recognized is the common problem reported many users, it could be broken or other reason caused the drive error. But don't worry, you can follow the next guide to fix the flash drive not recognized error on Windows and Mac, then recover files from flash drive with Recoverit Data Recovery program.

What Caused the Flash Drive Not Recognized on Computer?

Several root causes would result in the not recognized flash drive issue. They should be addressed so that you will not need to deal with the issue(s) for a long period.

Port Related Issues:: To determine if this is a port problem, test every USB port that you have with different flash drives. This could be either hardware or software issues or both. In this case, you would need a professional to help you correct this.

USB Formatting Issue: This is the most probable reason your computer could not detect your flash drive. The inability to format flash drive properly before the first use could cause problems later on.

Driver Issue: The drivers may not be available, corrupted, or outdated which would make the flash drive not Recognized.

Hard Drive Related Issues: A glitch in your machine's hard drive will not allow anything on it to work in a good and perfect way. This hardware issue should be addressed because it will affect more than your computer's ability to recognize a flash drive.

Operating System Related Issues: Sometimes, if your OS is not updated with the necessary updates as often as possible, it would cause the system to not recognize the flash drive. This could be simply rectified by updating the necessary components.

4 Ways to Fix the USB Flash Drive Not Recognized Problems on Windows

Depending on what is the root cause of the problem, you may only need to do one of these four steps or all of them. Follow these solutions step-by-step to resolve your problem.

Way 1: Scan Flash Drive to Find the Issue

1. Plug the flash drive into your USB port.
2. Go to My Computer and right-click on the flash drive. Open the Properties

3. Open the Tools tab and click Check now'¦

4. It may take some time to complete the scan. Once finished, it will tell you what the flash drive's problem is.

Way 2: Reformat the Flash Drive

1. Right-click on the flash drive and click on Format'¦, the Format window will pop up.

2. Under the File system toggle it between NTFS and FAT32. Click Start.

Way 3: Perform driver updates

1. Open the Run command and type in msc in the field. Click OK.

2. This will open the Device Manager. Find the Universal Serial Bus controllers.

3. Expand the menu and right-click on the Generic USB Hub. Click on Update Driver Software'¦

Way 4: Operating System Updates

1. Go to Control Panel, then System and security.

2. Under the Windows Update section, click on Check for Updates.

3. If it is not updated (the notification is not green in color), update it accordingly as indicated by the system.

4. Follow the updating wizard and restart your computer accordingly.

Video Tutorial on How to Fix USB Device Not Recognized

3 Ways to Fix the Flash Drive Not Recognized Problem on Mac

Like in Windows, your resolution method will be determined by the root cause of the problem. These are the three ways that you can do to fix flash drive not Recognized issue.

Way 1: Manually Connect the Flash Drive

1. Go to Application and click on Utilities.

2. A pop-up window will appear and click on the highlighted commands as marked in the image below:

3. Under Devices, click External Devices to manually connect the unrecognizable flash drive.

Way 2: Retune PRAM

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1. Shut down your Mac.
2. Press the Power button and subsequently hold down the Command-Option-P-R This should be done before the grey screen appears.

3. Your Mac should reboot itself. Let it go after the start-up chime.

Way 3: Format Mac's Drive

1. Press the Command-Spacebar buttons simultaneously, plug in the flash drive and go to the Application Click on the Disk Utility option.

2. You will be able to find the flash drives that need to be fixed in the left panel.

3. Click on the Erase button to complete the process.

What's Next?

Now that the flash drive not Recognized problem is solved on your Windows or Mac computer, make sure you had back-up all important documents in the flash drive. This is to ensure that you will be able to access the files stored in the flash drive should it happens again.

You should also check if there is any accidental data loss from the drive. Should you find things missing, use a flash drive data recovery tool to help you recover loss documents do this immediately before it is overwritten by new data.

How to Recover Data from Flash Drive Not Recognized on Windows

When you fix the USB flash drive not recognized with format solution, all your data on the drive will be got formatted and lost. On this guide, we will show you how to recover data from flash drive not recognized on Windows. Recoverit Data Recovery software can easily help you recover lost files from flash drive, even the drive got damaged/corrupted, formatted, virus attack and the file system crashed.

Recoverit - The Best USB Flash Drive Recovery Software

• Undeleted files from flash drive which not recognized on Windows and Mac.
• Recover files from USB flash drive due to accidentally deleted, formatted and damaged/corrupted.

Steps to Recover Lost Data from Flash Drive

Download and install Recoverit Flash Drive Recovery on your computer, follow the next simple steps to perform flash drive data recovery on Windows computer.

Step 1. Launch Recoverit Data Recovery program, select the 'External Device Recovery' mode to get started.

Step 2. Make sure your flash drive detected on the computer, select it, and click 'Start' to proceed.

Step 3. The flash drive recovery software will start to scan the device to search and restore your data files.

Step 4. Finally, you can check all the recovered files. Select your data and recover back by clicking the 'Recover' button.

If you are a MAC user, you should download Recoverit Data Recovery for Mac or follow the guide to perform flash drive recovery on Mac.

USB Solution

Recover USB Drive

Format USB Drive

Fix/Repair USB Drive

Know USB Drive

Interfaces with launchd to load, unload daemons/agents and generally control launchd. launchctl supports taking subcommands on the command line, interactively or even redirected from standard input.

Files

~/Library/LaunchAgents Per-user agents provided by the user.
/Library/LaunchAgents Per-user agents provided by the administrator.
/Library/LaunchDaemons System wide daemons provided by the administrator.
/System/Library/LaunchAgents macOS Per-user agents.
/System/Library/LaunchDaemons macOS System wide daemons.

launchd no longer loads configuration files from the network

Exit Codes

launchctl will exit with status 0 if the subcommand succeeded.
Otherwise, it will exit with an error code that can be given to the error subcommand to be decoded into human-readable form.

The syntax for launchctl changed in macOS 10.10 (Yosemite) the examples below show both the old and new syntax for starting and stopping launch scripts (services). The new syntax generally does not require sudo.

Examples

Display the launch scripts for all users that are currently loaded/running (legacy syntax):
$ sudo launchctl list
Display the launch scripts that are currently loaded for user ID 504 (new syntax):
$ launchctl print gui/504

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Display the launch scripts that are currently loaded/running for root:
$ launchctl print system

Unload the Amazon Music App daemon:
$ launchctl unload ~/Library/LaunchAgents/com.amazon.music.plist
To make this permanent edit that .plist file and change KEEP ALIVE and LAUNCH AT LOAD to FALSE. Then lock the file. This will prevent the Amazon app from running at all.

Enable remote SSH login (legacy syntax):
$ sudo launchctl load -w /System/Library/LaunchDaemons/ssh.plist

Enable remote SSH login for login 504 (new syntax):
$ launchctl bootstrap gui/504 /System/Library/LaunchDaemons/ssh.plist

Disable remote SSH login (legacy syntax):
$ sudo launchctl unload -w /System/Library/LaunchDaemons/ssh.plist

Disable remote SSH login for login 504 (new syntax):
$ launchctl bootout gui/504 /System/Library/LaunchDaemons/ssh.plist

Disable the macOS Notification Centre (legacy syntax):
$ launchctl unload -w /System/Library/LaunchAgents/com.apple.notificationcenterui.plist
$ killall NotificationCenter

Disable the macOS Notification Centre for login 504 (new syntax):
$ launchctl bootout gui/504 /System/Library/LaunchAgents/com.apple.notificationcenterui.plist
$ killall NotificationCenter
An alternative is to turn on the Notification “Do Not Disturb” from the Menu Bar of macOS which lasts for 1 day.

Re-enable the macOS Notification Centre (legacy syntax):
$ launchctl load -w /System/Library/LaunchAgents/com.apple.notificationcenterui.plist
Then double-click '/System/Library/CoreServices/Notification Center” to launch it again.

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Re-enable the macOS Notification Centre for login 504 (new syntax):
$ launchctl bootstrap gui/504 /System/Library/LaunchAgents/com.apple.notificationcenterui.plist
Then double-click '/System/Library/CoreServices/Notification Center” to launch it again.

“A good rule for rocket experimenters to follow is this: always assume that it will explode” ~ 'Astronautics,' issue 38, October 1937

Related macOS commands:

The macOS equivalent of Windows services is Launchd.
The macOS equivalent of services.msc on Windows is launchctl.
Launchd.info - Description of launchd, agents and daemons.
The daemons managed by launchd can be on demand or can be triggered periodically (this is configurable in launchd.plist).
launchd.plist(5), launchd.conf(5), launchd(8).