Could not start AVD
When starting the simulator, you need to download Andriod 10.0 (Google), I use Over the Wall to download and then select "COULD NOT START AVD" after downloading the downloaded mobile phone type, or when used in the second boot When you drop down to the AVD Manager, you will pop up TIPS: COULD NOT Start AVD when running the downloaded virtual phone, as shown below:
Solution
Workaround — Open the terminal execution command:
sudo chown ly -R /dev/kvm

The role of this sentence is: , ly is my username, in exchange for your personal username.
Run the Activity under Android Studio again to display it.
Could not start avd android studio что делать
Questions on Android Enthusiasts should be asked from a end-user point of view and within the scope defined in the help center.
Closed 6 months ago .
I installed Android Studio, but when I try to run, the emulator is not working. When I googled, I find some instructions in which the
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Open SDK Manager and Download Intel x86 Emulator Accelerator (HAXM installer) if you haven’t.
Now go to your SDK directory (C:\users\username\AppData\Local\Android\sdk, generally). In this directory Go to extra > intel > Hardware_Accelerated_Execution_Manager and run the file named «intelhaxm-android.exe».
In case you get an error like «Intel virtualization technology (vt,vt-x) is not enabled». Go to your BIOS settings and enable Hardware Virtualization.
but I don’t know where is BIOS setting of my computer. I have HP desktop CPU and try to find the BIOS from start, F10 as well as from change PC setting in Windows, but all in vain.
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3 Answers 3
I faced a similar problem recently on my windows 10 laptop and found out that the Intel virtualization technology (vt-x) was disabled from BIOS.
In case you are using a new laptop which comes per-installed with Windows 8/8.1/10 then chances are that you cannot enter the BIOS manually while booting. Reason being they have changed BIOS to UEFI which is no longer accessible through boot but instead you need to do the following steps:
Go to Windows > Settings > Update and Security > Recovery. Then under Advanced startup, click Restart now. The system will restart and show the Windows 10 boot menu. Select Troubleshoot > Advanced options > UEFI Firmware Settings. Click Restart to restart the system and enter UEFI (BIOS). from here you can access the UEFI menu (which is similar to BIOS)
Search for the VT-x setting (It may be named as Intel VT or Vanderpool or Virtualization Extensions or something similar depending on your OEM and BIOS.)
Android emulator fails to start after an update
A week ago, after some update(not really sure which one), I faced a very frustrating issue: I could not start my android emulator(AVD) anymore. It failed with a not very informative error:
I say that it is not very informative because it talks about glx and dri, while the actual problem is with libstdc++.so.6 which provided with the Android SDK. So in order to make the Android Emulator work again, we will have tor replace it with the system default libstdc++.so.6
The solution( fixing android emulator)
This fix android emulator assumes that you have android sdk installed at
/Android/Sdk . This is the default path when installing Android Studio on Linux. If you have it under different directory please replace
/Android/Sdk with the path to your sdk in the first line.
And that is all, folks. Android Emulator should start properly.
Update 1:
for newer versions of android sdk libstdc was moved inside the emulator folder, so updated path goes like this:
Update 2:
If you cannot see libstdc++.so.6 in any of above paths, just make a search for it in your android sdk folder and adjust the path accordingly.
Could not start AVD
I install the latest version of Android Studio Android Studio 4.0.1.then after i open Android studio and create sample project.after that i open AVD manager and "create virtual device",then after i download Android 10.0+ API 30 level emulator. Issue is AVD not start.please check Images
Window 7 Professional,Service Pack 1, 8GB RAM,64-bit,intel core i3,Asus

I already enable VT- x in my pc
4 Answers 4
I made VT-x enabled and saved it many times,but AVD did not start. I changed lithium battery on MB,so now AVD works.
I think if lithium battery on MB is low,BIOS will not work properly.
I did this and it solved my problem:
- Go to SDK Manager -> SDK Tools -> remove "Intel x86 Emulator Accelerator (HAXM Installer)"
- Click OK to uninstall HAXM.
- When the uninstall process is complete, close SDK Manager, open it again and install HAXM again the same way.
- Optional: Wipe data of your emulator and perform a cold boot.
- If the problem still exists uninstall/install Android emulator in SDK Manager -> SDK Tools as well.
If your system has low resources (RAM, CPU) like mine, it just can’t. Don’t push it.
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It might be the issue with HAXM. To resolve this issue first install HAXM in AVD creation part. If it is showing installation failed then we should manually install it into the system.
For that, go to the Intel website, download the HAXM installer that they provide (instead of using the one downloaded through Android Studio).
After installing HAXM enable intel virtualization support in your BIOS. By default virtualization will be disabled. You can use the following link to enable virtualization in your BIOS.