Is your Mac won’t start or boot? and stuck on white screen? Let me inform you that you’re not the only one who is facing the issue. A white screen appears on your Mac randomly without any warning, this mostly happens when you update your operating system or by installing third-party software.

Here’re some valid reasons that might cause the issue to encounter:

External hardware: White screen issue can show up if there’s any external hardware connected to your computer.

Mac GPU: If machine GPU does not start, then it likely cause white screen issue.

Updates: In some situations, the update can corrupt old files, and that’s the reason why the system doesn’t start.

We’ve covered some solutions, that might help you fix the white screen and won’t start issues on Mac.

Remove the external hardware attached to the Mac

This the major and most effective solution that exists. Remove the external hardware if have connected to your mac. This can also include a mouse, keyboard, and other unwanted hardware to start the Mac, just try removing each hardware one by one and start your machine, to know the culprit.

Boot by Safe Boot

Booting your Mac by Safe Boot feature can fix the unknown errors. Here’s how to do that:

Step 1: Turn off the Mac completely.

Step 2: Now, power your Mac by pressing the power and middle button while pressing the “Shift” key on the keyboard.

Step 3: Release the “Shift” key as soon as you see the Apple logo, your Mac has been booted in Safe Mode.

If your Mac has started without any issue then assume that some file on the system was causing the issue.

Try to use integrated GPU

According to the sources, Mac users have reported that the white screen issue has fixed when they forced their Mac to use integrated GPUs by heating the main GPU.

Use Utility

By using Disk Utility, the errors that are present on your hard drive will be fixed. Here’s how to do that:

Step 1: Turn off your Mac completely.

Step 2: Turn on the power button and hold Command + R at same the same time, until the Apple logo appears.

Step 3: Select Disk Utility, then select the hard drive and click on “Fire Aid” to begin the process.

Reset NVRAM and PRAM

Just reset NVRAM and PRAM as it is used to store information about screen brightness, device volume, and time. Resetting this will not lose any of your data. Here’s how to do that:

Step 1: Visit Apple > Shut Down and your Mac to turn off.

Step 2: Press the power button and then hold option + command + p + r.

Step 3: Now, just release all the keys after 20 seconds, now the Apple logo should appear on the screen after the second startup sound.

Hope the troubleshooting guide has resolved the issue on your Mac, you can let us know your thoughts in the comment section.