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4 January 2021  Ashley S. Miller  Specialist of Customer Service Dept.
 

Summary
Sometimes, we have to boot Windows 10 computer from USB to fix computer from system damage, or optimize system performance. However, your Windows 10 computer won’t boot from USB? Why and how to solve this problem? Go through solutions below.



Part 1: Reasons of Windows 10 Won’t Boot from USB

Generally, Windows 10 won’t boot from USB could be caused by the incorrect configuration in motherboard or some physical errors. To solve this problem, users can firstly set the USB disk to be the first option to start computer from in BIOS.

Part 2: How to Set Windows 10 to Boot from USB Disk via BIOS

1. Start target computer. Press related hotkey to launch BIOS before the monitor showing manufacturer logo of motherboard. (The hotkey depends on the manufacturer. DEL and F12 are common hotkey to launch BIOS.)
2. Windows 10 is equipped with fast boot function which may make Windows 10 won’t boot from USB disk. To solve this problem, please select [Boot] after accessing BIOS. Select [Enabled] in Launch CSM.
choose enabled in launch csm to sovle windows 10 won't boot from USB
3. Go into BIOS again. Find the Boot tab. Then select USB disk to be the first boot option. Then save the settings and computer will boot from USB disk when you start it next time.
boot computer from usb bios
Generally, setting Windows 10 to boot from USB disk is to fix computer or reinstall system. Then how can we solve it when Windows 10 won’t boot from USB disk? Try solutions below.

Part 3: Create Rescue Disk with Renee Passnow to Save Data

If your computer can not boot, you need to reinstall system or fix errors with USB disk to solve this problem. However, data inside the computer which has not been backed up could be lost. If you want to get these data back before processing any system installation operations, please transfer data with Data Transfer function in Renee Passnow.
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Step 1: Download and install Renee PassNow. Open the software. Select one option from [Crate a Live USB] and [Create a Live CD]. Then, select [x64] or [x86] according to your computer. Next, click on [Download Now] to download the licensed ISO. Remember to activate the software beforehand. After that, click on [Create USB] to create the boot media.
use renee passnow to create usb to reset passnword
Step 2: Boot the target computer from the created bootable media. After loading into the main interface of Renee Passnow, please select [Data Transfer] function.
data transfer
Step 3: Select the original disk and target disk. And drag the target files to the target disk directly.
data transfer in Renee Passnow

Part 4: Install Windows 10 with Windows Media Creation Tool

We can create Windows 10 bootable media with this download tool. When system gets wrong, we can fix or even reinstall the system with this installation disk.
Download link: https://www.microsoft.com/en-us/software-download/windows10
Please click [Download tool now] after loading into the web page to get the MediaCreationTool.exe.
download Windows 10 installation media tool how to install os on a ssd
Attention: Please make sure the capacity of the USB disk reach 8GB at minimum. It is recommended to create the installation disk with a blank USB disk because all data inside the USB disk will be erased when creating the installation disk. Please connect the USB disk to computer after preparation.
1. This is the first screen you will see after launching Windows 10 Creation Tool. Please click [Accept] after you check the agreement.
media creation tool license
2. Please click [Create installation media for another PC] and continue.
create media Windows 10
3. Then we can select language, edition and architecture for the Windows 10 system. It will select [Use the recommended options for this PC] in default. If you want install system in different computers with this system installation disk, it is recommended to select [Both] in [Architecture]. Generally, x64 is recommended in new computers.
media creation tool select architecture
4. Select the target disk which you want to save the Windows 10 installation file. Here we should choose [USB flash drive]. Besides, please make sure the minimum capacity of the USB disk is 8GB.
select USB flash drive
5. Please select target USB disk in the list and then click [Next]. (This step will delete all data inside the USB disk as well as format the USB disk as FAT32. Please backup data inside the USB disk beforehand.)
refresh the USB list
6. Then it will download and verify Windows 10 Image. And will format the USB disk and saving new files to the USB disk. Duration of this process will be based on the Internet and computer hardware.
downloading windows 10 iso
7. You will receive the notification that [Your USB flash drive is ready] which means that your USB installation disk has been created successfully.
USB flash drive ready
8.Set target computer to boot from Windows 10 USB installation disk with steps above. Then click [Next] when you get into the page as below.
how to reinstall windows10 boot install screen

Part 5: Summary

The above are reasons and solutions of Windows won’t boot from USB. This problem could be solved by setting in BIOS. If you want to fix system errors by booting computer from USB disk, data lost could be happened. In case of this situation, please try Data Transfer function in Renee Passnow. And Windows Media Creation Tool can help to fix or reinstall system.