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There are several things to know and understand when a notable device can’t be found on your computer. As you continue to read this article, you will be provided with every information you need to fix your Dell laptop.
The error message "No Boot Device Found" can be a big problem when you don’t know what you are doing.
Some people might think their Dell laptop is faulty and might want to consider getting a new one.
You don’t have to do that because I will share everything you need to know.
Now let’s get into it
On your Dell laptop, this are the common errors your computer might be showing you.
Now that you have known the common errors, you must know the causes
Here are the major causes,
If your Dell laptop is attacked by a virus, your essential system files or folders might get damaged or corrupted, and your Dell laptop won’t be able to recognize or find the bootable disk or drive. Install antivirus through Safe Mode or simply reset your Dell laptop
This is the major problem most Dell users complain about boot error. If you want your Dell laptop to boot from USB, you should make sure you must have made that USB Bootable.
If you insert a non-bootable device on your Dell laptop, your Dell laptop won’t recognize to boot from it.
Sometimes people also make the mistake of setting their boot order to CD/DVD drive when they want to boot from a USB drive.
When your Dell hard drive or SSD is corrupted or broken, your computer will not be able to read the drive and therefore show you the boot error.
You will have to repair or replace your drive to resolve the problem
The MBR sector is responsible for leading your computer to read necessary information to boot.
When your MBR (Master Boot Record) is corrupted, anytime your Dell laptop is trying to boot from your drive, you are likely to get a failed message.
Now that you have known the causes, let’s jump right into how to fix this boot problem
This is very important.
To start Dell in Safe Mode, follow the Dell Safe Mode: Starting Guide. This guide will provide step-by-step instructions on how to boot your Dell computer into Safe Mode.
You need to make sure your Dell laptop is set to boot from the right bootable device. An incorrect boot order can make your computer boot from the wrong device thinking it’s the right boot device.
If you want your computer to boot from the right bootable device, you need to rank your bootable device as the first device in your boot order
If you want to let your Dell laptop boot from a bootable USB, you should go to your boot order located in bios and adjust your boot order to rank your bootable USB device first.
Here’s how to set the right boot order on your Dell laptop
Here’s how to run automatic repair on your Dell laptop
This method is for you only if your Dell laptop can boot up to windows.
Here’s how to run the troubleshooter on your Dell laptop
Please note that this might not work for you.
If you are unable to boot into Windows, you can run Command Prompt from Advanced Boot Menu.
To do that, simply restart your Dell laptop multiple times. Now select Troubleshoot > Advanced options > Command Prompt .
In Command Prompt , run the following commands:
sfc /scannow /offbootdir=c: /offwindir=c:windows first command
chkdsk c: /r second command
These commands will check for corrupted files and fix any corrupted files on your hard drive that is prevent Windows from booting.
If those two commands don’t fix the problem, then you must use DISM scan instead.
Run this command
DISM /Online /Cleanup-Image /RestoreHealth
If this command also didn’t work, try this command instead:
Dism /Image:C:offline /Cleanup-Image /RestoreHealth /Source:c:testmountwindows
Dism /Online /Cleanup-Image /RestoreHealth /Source:c:testmountwindows /LimitAccess
This method isn’t for everyone and if you are still having trouble, move to the next method.
My Dell Inspiron 15 has been running slow lately. If you’re experiencing the same issue, Dell Inspiron 15 Slow is a great resource to help you troubleshoot and fix the problem.
When I had my own challenges with this boot error, this method worked for me and hopefully, it should work for you as well.
To fix the issue, you simply need to switch from Legacy to UEFI.
Here’s how to switch to UEFI on your Dell laptop
You can get the error if your cable is to properly connect
It’s import you check your computer properly to see if there’s any loose cable. If there is, you want to properly connect it back.
The important cable to check is the cable that connects to your hard drive if you are trying to boot from a hard drive.
Also, check the cable that connects to your CD/DVD drive if you are trying to boot from a CD/DVD drive. If it’s not connected, connect it.
For those that want to boot through a USB, you want to make sure all your USB ports are working correctly.
Sometimes, if there are too many or few things connected to your Dell laptop all at once, it might confuse your computer.
So, remove everything connected to your Dell laptop such as mouse, keyboard, and another device.
After doing that, boot up your computer and, any troubles with your Dell laptop touchpad if it is not working may hinger your progress.
A primary partition is where your operating system (OS) is installed and it needs to be set back as active to fix the boot error.
Here’s how to fix your MBR on your Dell laptop
Firstly, boot into Command Prompt and run these commands one after the other
bootrec.exe /FixMbr first command
bootrec.exe /FixBoot second command
bootrec.exe /RebuildBcd third command
If those commands don’t work, try using these commands instead:
bcdedit /export C:BCD_Backup first command
c: second command
cd boot third command
attrib bcd -s -h -r fourth command
ren c:bootbcd bcd.old fifth command
bootrec /RebuildBcd sixth command
Restart your Dell laptop and check if the problem is fixed. If not, move to the next method
After trying every method above and nothing seems to work, you must consider reinstalling windows on your hard drive or SSD.
If you are trying to boot into windows normally and you have tried every method mentioned above but nothing worked, I recommend you to reset your Dell laptop hard drive or SSD.
This way, everything will go back to normal and you won’t have the error anymore.
Check out this guide to reinstall windows on your drive
If you’ve done everything right and your Dell laptop is still giving you the boot error, then you might have issues with your drive.
Try adjusting your BIOS settings boot order to boot from the drive with your operating system. If it works, then congratulations but if it doesn’t work, you have a faulty hard drive that needs to be replaced.
Before you think of getting a new drive, try installing windows on it again see if it’s boots’ up.
If you are unable to load windows on your drive, here are some drive you can get
If you followed all the instructions correctly, the no boot device found error should have been resolved by now.
Remember, if no method work for you, you can consider reinstalling windows on your dell laptop.
I appreciate you for staying to the end of this article.