I don't know if I have done anything wrong. Now my computer is unable to boot into the desktop. Is there any way to troubleshoot Windows from boot? Can someone tell me what I should do in this situation? Thanks!
You can troubleshoot Windows from boot using the Startup Repair tool.
Startup Repair is a built-in program in Windows PC that is designed to detect and repair common errors in your system. It can analyze startup log files and find out the cause behind the problem. After that, it will try fixing the problem automatically. Below is the guide to Startup Repair.
Step 1. Repeatedly turn your PC on and off 3 to 5 times at the loading screen to access the Windows Recovery Environment.
Step 2. Hit "Advanced options" to continue. Then, go to "Troubleshoot" > "Advanced options" > "Startup Repair."
Step 3. Wait for the program to do its job. Once it's done successfully, restart your computer.
However, there's a chance that you may encounter "Startup Repair cannot repair this computer automatically." If so, you should resort to professional third-party software.
Here, I recommend a more powerful tool with the ability to detect and fix more possible errors in your system, like missing BCD, damaged system registry, incomplete loading of the library, etc., EaseUS Partition Master Professional.
You can check here to perform its Boot Repair feature：
#1. Prepare a Bootable USB Drive.
Step 1. Get a working computer and connect a USB drive to it.
Step 2. Run EaseUS Partition Master. Go to "Bootable Media" > "Create bootable media." Select your USB drive and click "Create" to make it bootable. Step 3. Remove the USB drive.
#2. Run Boot Repair.
Step 1. Connect the bootable USB drive to your unbootable computer.
Step 2. Turn on your PC and hold "F2/Del" to get into the BIOS. Set it to boot from the USB drive and hit "F10" to save and exit.
Step 3. Restart and run EaseUS Partition Master. Navigate to "Toolkit" > "Boot Repair." Select your system and hit "Repair."
Step 4. After the process, set your PC to boot from the original drive and restart.
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