If you computer is unable to boot and is stuck on message that reads “Initializing Intel(R) Boot Agent …”, then here are some of the fixes that will solve this issue on your PC.
Basically this message appears on Intel based computers during boot process when your computer is unable to boot from the drive where the operating system is installed.
In other words, say you have Windows 11 installed on your computer on a particular hard drive, and now for some reasons, your computer is unable to access or read that hard drive, then it will display this message right after you turn your system on.
In most cases, you won’t be even able to access BIOS of your system when this problem appears.
Method # 1: Remove USB Connected Devices
If you have connected your phone or any other such device which has its own storage like USB flash drive, external hard driver etc., then disconnect it from your computer, turn it off and then turn if On again.
Hopefully the error will be gone and you will be able to boot your computer.
Check this video explaining this same method that helped user fix the issue.
Also check your CD Drive and remove any disc from there as well.
Method # 2: Remove Ethernet
If your computer is connected to internet via ethernet, then chances are your system is trying to boot to network drive.
In that case, unplug the ethernet cable from your computer, turn it off and then turn it on again.
Method # 3: Remove Battery
If you are getting this error on laptop, then simply switch it off, remove its battery and then press the power button for 15 seconds. Now install the battery again and turn it on.
On desktop computers, remove the power plug, press the power button for 15 seconds, then plug it in again and turn it on.
If removing USB connected device, ethernet cable or battery from your computer does not help in fixing the error and your computer is still stuck on black screen with Intializing Intel(R) Boot Agent error, then there are chances that your computer hard drive is non-responsive.
In that case, we recommend that you contact your computer manufacturer if it is under warranty. Else, you can also try checking your hard drive by connecting with another system and see if it is accessible.
That is it, and hopefully the above methods would positively resolve the issue on your computer.