Not found device

Why “error: device not found” occur?

1. USB Debugging Disabled: It could be the case that, USB debugging option is not Enabled yet on your Android smartphone.
2. Incorrect Connection Mode: You might have choosen incorrect connection mode for type of transfer you wanted.
3. Driver not updated: As discussed above, the issue is most likely because of the problem with your ADM Device driver itself. Thus you have to keep your driver up-to-date.

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ADB Device Not Found Error | Solution Guide

Easily fixing Adb sideload/adb devices not found issue here.

Just follow below steps to solve this ADB «error: device not found» error quickly:

Step 1: Check connection mode.

1. Connect your device to your computer.
2. Swipe down to access Notification center/panel.
3. Tap on USB Debugging connected option.
4. Select Mobile Device (MTP) option.
5. That’s all, check if your problem gets solved by following this step.
   If NOT, please proceed further to next solutions. Note: You may try the same by selecting Camera (PTP) option, many of my viewers solved their problem by using PTP as well.

Step 2: Enable USB Debugging through Developer Option.

1. Open Settings on your Android smartphone.
2. Navigate to About device option.
3. Tap 7 times on Build Number option.
4. This will then enable Developer Options.
5. Now access Developer Options and tap on USB Debugging option.
6. Try reconnecting your mobile device and check if this could solve your problem.
   If this step too does not solve your problem, please proceed further to the next solutions.

Step 3: Update ADB Driver on your computer.

1. Right click on start button and click Device Manager option.
2. Expand Other devices option.
3. Right click on ADB Interface or Androie Phone option.
4. Click on Update Driver Software option.
5. When prompted, select ‘Browse my computer for driver software’ option.
6. Choose Let me pick from a list of device drivers on my computer option.
7. Select Show all devices option and hit Next button.
8. Choose Have Disk option.
9. Browse and locate your SDK. Usually it kept at below location:
   C:\Program Files\Android\android-sdk\extras\\google\usb_driver\
10. Double click on android_winusb.inf file.
11. Now choose ADB Interface from the list and hit Next button.
12. Allow the installation to be finished.
13. Now, try reconnecting your mobile and check if this solves your problem.
    Still no luck? Please proceed further to next solutions.

Step 4: Install Universal ADB Windows Driver.

If none of the above solutions work for you, you have to install Universal ADB Windows Driver on your computer. Just open their official website and download and install it. This installation might be the solution for you. Just try it and check. Otherwise, proceed further to the next solutions.

Step 5: Restart ADB Process.

It could be the case that, you have already implemented the above steps like, USB Debugging enabled, drivers are up-to-date, the universal driver is in place, etc. But do you still facing this issue?

If Yes, you will have to restart entire ADB process and for this you have to use below commands; one for to Kill the process first followed by another command to Start it back again.

Just Open command prompt and run below commands:

1. adb kill-server: To kill running ADB process.
2. adb start-server: To start it back again.

Step 6: Try with different cable.

Sometimes, there could be the problem with your USB cable itself. As you all know, all USB cables are going through endless flexing and curling states. Due to this, your USB cable might get damaged. You also try to purchase dummy cable from the market just to keep our original cable safe and we keep using that cable for charging and for data transfer as well.

I know it sounds silly and you obviously did this already, but I still would like to recommend you to try connecting your phone with another but authentic USB cable rather than dummy cables and check that if it solves your problem.

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Bottom Line

I’m sure by following any one of the methods from listed ones will help you resolve this ADB Device Not Found Error.

If you are facing this error or something you want to suggest apart from the above points, feel free to use below comment section below to get in touch with me anytime. Happy to hear from you and to implement the suggestions for helping others.

How to fix ADB Device not found [List of Devices Attached is blank]

Nvidia Graphics not detected in Device manager

In this guide, we will show you the steps to fix the ADB Device not found error. In some instances, the Command or PowerShell window might also show blank under the list of devices attached. Along the same lines, there are a few other common ADB Errors that few have already covered before. These include: Fix adb is not recognized Error and Fix Unauthorized Device with ADB Commands [3 methods]. As of now, our focus will be on fixing the ADB device not found error that shows a blank result under the List of Devices Attached section. Follow along for the detailed instructions.

Android devices, thanks to their open-source ecosystem allows you to carry out a plethora of tweaks. Now, these tweaks encompass two different domains. The first one is the everyday users who customize their device using numerous themes, icon packs, launchers, etc. Then comes the tech enthusiasts, who take these customizations one step ahead. They unlock the device’s bootloader, flash custom ROMs and custom recoveries, or even root their devices via Magisk.

But no matter to which domain you belong, one thing stands in common: the use of ADB and Fastboot Commands. The general users might use these commands to boot their device to Fastboot/Bootloader or Recovery Mode, Apply Update via ADB Sideload, installing/uninstalling apps, among other tasks. Then the geeks could make use of these commands to unlock the bootloader (fastboot oem unlock), boot their device to TWRP (fastboot boot twrp.img), flash ZIPs, and IMG files (fastboot flash boot magisk_patched.img), and the list goes on.

However, sometimes these commands just fail to execute. It could take the shape of quite a few errors (as already discussed in the introductory paragraph). Among them, the most common one seems to be the ADB Device not found and the List of Devices Attached section would be blank. In this guide, we will make you aware of all the plausible reasons for this error, and more importantly how to fix it. Follow along.

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Table of Contents

How to fix ADB Device not found [List of Devices Attached is blank]

So when and why this error happens? Answering the ‘when’ part first, well it happens when you execute the adb devices command in CMD or PowerShell window. Upon typing in this command, in general cases, you would have got your device ID followed by the device keyword. However, when you are facing this issue, the CMD/PowerShell window wouldn’t result in any value. Rather they would start off with a new line. If it is a little bit more caring, then you might get the message, which again doesn’t do any good to the end-user.

With that said, this guide will list out all the possible methods to fix the ADB Device not found [List of Devices Attached is blank]. Do keep in mind that there isn’t any universal fix for this error. You will have to try all the below-mentioned methods one by one until you achieve success. Furthermore, we will start off with the most basic tweak first followed by the slightly advanced ones. So without further ado, let’s get on with this guide.

Fix 1: Reverify ADB Installation

First and foremost, make sure that you have the proper ADB and Fastboot binaries installed. There’s nothing much that you need to do- just install the Android SDK Platform Tools provided by Google [Windows | Linux | macOS]. If you have installed any other ADB and Fastboot tools, then please uninstall them and only use the one provided by Google. The reason?

Well, all these tools are proving to be among the most lite-weights end up missing a few important files, especially those related to the device storage partition. Hence, install the Android SDK Platform Tools on your PC and see if it fixes the ADB Device not found [List of Devices Attached is blank] error or not.

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Fix 2: Launch Command Prompt where ADB is installed

This is one fact that many users end up missing. You should only launch the Command Prompt window inside the folder where ADB and Fastboot binaries are present. Since we have recommended the installation of Android SDK Platform Tools, hence you should launch the CMD window inside the platform-tools only. Now there are two different ways of doing so:

The Direct Approach:

As is evident from the name, this method tells you to directly open the CMD window inside the ADB folders. Here’s how it could be done:

1. Head over to the platform-tools folder on your PC.
2. Then type in CMD in the folder’s address bar and hit Enter.
3. This will launch the Command Prompt inside the platform-tools folder itself.

The Indirect Approach

In this method, you could launch CMD normally from the Start menu and then change its directory to the folder where ADB is installed. Here are the instructions for the same:

1. Head over to the Start menu and search for CMD.
2. Launch the Command Prompt window as an administrator.
3. Now type in cd followed by the ADB installation directory.
4. For example, I have installed Android SDK platform Tools on my desktop, hence the command in my case would be

cd C:\Users\username\Desktop\platform-tools

Once you have changed the directory to the ADB installation location, check if it fixes the ADB Device not found [List of Devices Attached is blank] error or not.

Fix 3: Make sure USB Debugging is Enabled

While it is mostly along the obvious lines, but this is usually among the biggest culprits for this issue. USB Debugging is needed to be enabled so that your PC recognized your device in the ADB Mode. So you should reverify that the USB Debugging is indeed enabled. Here are the required instructions for the same:

1. Head over to Settings on your device. Then go to About Phone and tap on Build Number 7 times. Xiaomi users should tap on MIUI Number 7 times.
2. You will then get a toast message that Developer Options is enabled.
3. So now go back to Settings followed by System.
4. Now go to Developer Options (in some devices it might be under the Advanced section) and enable the USB Debugging toggle.

Once done, connect your device to PC via USB cable and see if it is able to fix ADB Device not found [List of Devices Attached is blank] error. [Don’t Miss: How to Enable USB Debugging on a Broken Android Device’s Screen?]

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Fix 4: USB Connection should be Authorized

Enabling the USB Debugging is just half the done work. The first time you connect your device to the PC in ADB Mode you will have to verify the device’s fingerprint with your PC. The best bet, in this case, is to revoke the USB Debugging permission of your device and then re-verify it. Here is how it could be done:

1. First off, head over to the Developer Options on your device. If you haven’t enabled it yet, then go to Settings > About Phone > Tap on Build Number 7 times > Go back to Settings > System > Advanced > Developer Options.
2. Once you reach Developer Options, scroll to the Debugging section and tap on Revoke USB Debugging Authorizations. Tap on OK in the confirmation dialog box that appears.
3. Now launch the CMD window inside the platform-tools folder (as mentioned in Fix 2).
4. Then type in the below command in the CMD window:

adb devices

Fix 5: Change USB Connection Mode

Some users have reported success after changing the USB Connection Mode to MTP from USB storage mode (or File Transfer mode). So as soon as you connect your device to the PC via USB cable, you should see the current USB connection mode. Select MTP from the list (if it is not there, then you may also switch to PTP mode). Once you do so, you may see the setup notification on your PC, as shown below:

However, if you don’t see the option to change the USB Connection Mode, then you could manually carry out this step as well. For that, go to Settings > System > Developer Options > Default USB Configurations (see below image). Then select MTP (or PTP) from the options. Now check whether it fixes the ADB Device not found [List of Devices Attached is blank] error or not.

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Fix 6: Manually Install Drivers

Most Android devices come baked in with their own USB Drivers. As a result, as soon as you connect your device to your PC via USB cable, the drivers would automatically be installed on your PC. But if that doesn’t happen you may manually install them as well. Google provides the required android_winusb file on its Android Developers website.

You just need to download and add it via your PC’s Device Manager. And as opposed to what you might have read till now, this USB driver file is universally accepted by all Android devices. Even if you see sites hosting USB drivers for individual phones, it’s just to increase clicks, the resulting file will be the same (android_winusb). So download this file and proceed with the below steps.

1. To begin with, extract the contest of the downloaded driver file and you should get the following files:
2. Right-click on the Windows icon and select Device Manager from the menu.
3. Within that, go to the Other devices section and you should see your Android device listed there. In some cases, it might be under the Ports section or the Portable Device section as well.
4. Once you find the device, right-click on it, and select Update Drivers.
   
5. In the next popup that appears, select Browse my computer for driver software.
   
6. Now click on the Browse button, navigate to the extracted driver folder, and select the usb_driver folder. Yes, you don’t need to select the individual driver file, just select the driver folder and your PC will take care of the rest.
7. Once you have selected the USB Driver folder, hit Next and proceed with the on-screen instructions to install it.
   
8. After the installation is complete, unplug and then replug your device to the PC via USB Cable. See if it fixes the ADB Device not found [List of Devices Attached is blank] error.

Fix 7: Add ADB System Variable Path

In some cases, the system isn’t able to decide which ADB Drivers do it needs to use. This usually happens if you have more than one copy of ADB/Fastboot Drivers installed on your PC. This usually might conflict with the environmental system variable related to the Android SDK. The fix for that is to manually add the ADB installation directory, i.e, the platform-tools folder’s location to the System Environment Variables. here are the required instructions for the same:

1. Head over to the Start menu and search for View Advanced System Settings.
   
2. Go to the Advanced tab and click on the Environmental Variables button.
   
3. You should now see two sections: User Variables and System variables. As for this guide, we would be dealing with the latter.
4. So select Path from the System Variables and click on Edit.
   
5. It will bring up the Edit environment variable option, click Browse from the right-hand side.
   
6. Now navigate to the location where you have installed the ADB and Fastboot binaries and select the platform-tools folder and click OK.
   
7. You should now see this directory successfully added to the environment variables. Click OK to close the dialog box.
   
8. Likewise, the path will also be visible in System variables under Environment Variables, as shown in the below image. Click OK to close this dialog box as well. That’s it. Your error now stands rectified.
   
9. Once the path has been added, plug in your device via USB cable to your PC, and the issue would have been fixed by now.

So with this, we conclude the guide on how to fix the ADB Device not found [List of Devices Attached is blank] error. We have shared seven different fixes for the same, any one of which should work out in your favor. Do let us know in the comments if you have any queries concerning the aforementioned steps. We will get back to you with a solution at the earliest.

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