BlueStacks4 comes with built-in ROM and RAM, but it is possible to increase it manually. You do not want your favorite games and apps to crash or hang in between loads and hopefully remove the nagging 'LACK OF RAM' message during startup. Start with step one, below, to increase your Random Access Memory and use BlueStacks4 smoothly. Bluestacks is primarily an android gaming emulator. Therefore, switching up its graphics mode is known to be an easy fix to the engine won’t start issue. By default, Bluestacks runs using OpenGL, but it can also be run via DirectX. The option to make the switch is present in Bluestacks settings.
Problem: User reported that BlueStacks gets stuck in a loop with the error message “Could not start the Engine” or “BlueStacks Engine Won’t Start” showing upon BlueStacks launch. Restarting the BlueStacks Engine from the error dialogue or PC usually do not resolve the issue.
The detail error message as below:
For macOS: Bluestacks Engine Won't Start
For PC: Could not start the Engine. You can try restart the Engine or your PC.
Follow below solution steps to resolve BlueStacks Engine could not start issue.
Content Summary
Potential Causes
Solution 1: Disable Antivirus temporarily
Solution 2: Switch to DirectX graphics mode
Solution 3: Change CPU Cores and Memory
Solution 4: Enable Virtualization Technology
Solution 5: Update graphic card driver
Solution 6: Reinstall BlueStacks Engine
Reference
Potential Causes
- Bug in Windows or BlueStacks update
- Improper settings or disabled in virtualization technology
- Antivirus
Solution 1: Disable Antivirus temporarily
Disable the antivirus application by right-clicking the antivirus icon from the system tray and select the option Disable to check if BlueStacks working.
Solution 2: Switch to DirectX graphics mode
Step 1: Open BlueStacks.
Step 2: Click on the options button on the top right corner.
Step 3: Select Settings.
Step 4: Click Engine from the left pane.
Step 5: Select DirectX for graphics mode.
Step 6: Click the Restart Now button.
Solution 3: Change CPU Cores and Memory
Once you have selected DirectX option, change the CPU Cores number from the drop-down menu and increase the RAM capacity settings to the recommended setting. Click Restart Now button after the changes.
Solution 4: Enable Virtualization Technology
Step 1: Reboot your PC.
Step 2: Press either Esc, F8, F12 or F10 when your manufacturer’s logo appears in order to enter the BIOS setup menu.
Step 3: Look for the option related to virtualization such as Virtualization Technology, Intel Virtualization Technology, Intel VT for Direct I/O. Enable these options.
Step 4: Save the changes and exit the BIOS.
Refer to below video for more detail about how to enable Virtualization Technology on PC to boost the performance of BlueStacks Engine.
Solution 5: Update graphic card driver
Step 1: Press the Windows + “R keys to open the Run box.
Step 2: Type devmgmt.msc and click on the OK button.
Step 3: Expand the Display adapters.
Step 4: Right-click on your graphics card and choose the Update driver option from the context menu. Follow the on-screen instruction to update the drivers.
Solution 6: Reinstall BlueStacks Engine
Step 1:Download and execute the BlueStacks Uninstaller. Follow the on-screen instruction to complete the uninstall process.
Step 2:Download the latest version of BlueStacsk Engine.
Step 3: Reboot your PC into Safe mode.
Step 4: Navigate to the location where you downloaded BlueStacks and run the installer. Install the BlueStacks.
Cannot Start Bluestacks Mac Os
Reference
Cannot Start Engine Bluestacks Mac
BlueStacks Help Center > Solution for BlueStacks is stuck on “Starting the Engine” screen
BlueStacks Help Center > How can I enable virtualization (VT) on my PC?
Reddit > Could not start the Engine