How to Recover Data from Inaccessible Boot Device
- Create a bootable disk.
- Boot from the bootable USB. Connect the bootable disk to PC that won't boot and change your computer boot sequence in BIOS. ...
- Recover files/data from a PC/laptop hard drive that won't boot. ...
Full Answer
How to fix Windows 10 not able to boot?
Windows 11/10 Boot Repair: Fix UEFI Boot Issue on Windows 11/10/8/7
- Method 1. Use Startup Repair for Windows 11/10 Boot Repair. ...
- Method 2. Use Diskpart to Fix UEFI Boot Error in Windows 11/10. ...
- Method 3. Change BIOS Settings. ...
- Method 4. Add Disk Driver to Repair Windows 11/10 Boot. ...
- Method 5. Change the SATA Mode for Windows 11/10 Startup Repair. ...
How to fix boot device not found?
- Restart the computer and press F11 . ...
- Select Troubleshoot .
- Select Recovery Manager .
- Select System Recovery .
- Select Back up your files first (recommended) .
- Click Next and follow onscreen directions to complete the recovery.
- NOTE: Skip this step if your platform is not listed in the table below. ...
How to fix Dell no bootable device found?
To change this:
- Restart the system
- Press F2 during system start to enter the System Settings
- Change the Boot Sequence in the Boot Settings
- Leave the menu via Exit in the upper right corner of the screen
How to fix unable to boot?
- Click Start menu and select Settings.
- Choose Update and Security option>Recovery
- Click Restart now under Advanced startup
- Select Troubleshoot option
- Select UEFI Firmware Settings
- Click Restart to boot the computer in to UEFI (BIOS) screen.
What causes inaccessible boot device?
Most of the time, the INACCESSIBLE BOOT DEVICE error occurs because a boot device has failed or is unreadable. During input/output (I/O) initialization the boot device driver might not have been able to initialize the boot device (which is a hard drive or SSD, perhaps even one of the best SSDs).
How do I fix inaccessible boot device in BIOS?
To remove inaccessible boot device after bios update, you can just simply restart your computer. Click on Windows icon on the bottom left corner of the screen, and select Power option. Then click on “Restart” option, your PC will restart in a few minutes.
How do I fix inaccessible boot device with USB?
Step 1: connect the bootable USB flash drive or CD/DVD to your PC with inaccessible boot device BSOD problem. Step 2: restart your PC and press the certain button before Windows logo to enter BIOS Setup Utility. Step 3: modify the boot sequence to make computer boot from the disk you made. Then, exit and save changes.
How do I fix inaccessible boot device in Windows 11?
How to Fix Inaccessible Boot Device in Windows 11Perform Startup Repair. ... Set Partition to Active State. ... Rebuild Boot Configuration Data. ... Check Boot Device. ... Check UEFI Settings. ... Update and Uninstall Drivers. ... Repair System File Corruption. ... Rollback or Update Windows.More items...•
Does resetting PC fix inaccessible boot device?
If the INACCESSIBLE BOOT DEVICE error is caused by certain software, you can easily fix this error by performing Windows 10 reset. Bear in mind that this process will delete all files from your C partition, so be sure to create a backup.
How do I fix inaccessible boot device in command prompt?
To begin, open the Settings app and navigate to Update and Security > Recovery > Advanced Startup > Restart Now. After a few moments, a blue screen will pop up. Go to Troubleshoot > Advanced Options > Command Prompt. Your computer will restart and boot into the Command Prompt app.
How do you reboot in safe mode?
From the sign-in screen When you can't open Settings to get into safe mode, restart your device from the Windows sign-in screen. On the Windows sign-in screen, press and hold the Shift key while you select Power > Restart .
How do I run Windows in safe mode?
How to boot in Safe Mode in Windows 10Hold down the Shift button as you click "Restart." ... Choose "Troubleshoot" on the Choose an option screen. ... Choose "Startup Settings" and then click Restart to get to the final selection menu for Safe Mode. ... Enable Safe Mode with or without internet access.More items...•
How do I get UEFI firmware settings?
To do this:Select Start > Settings > System > Recovery .Next to Advanced startup, select Restart Now.Under Choose an option, select Troubleshoot > Advanced Options > UEFI Firmware Settings, and then select Restart.
How do I open the BIOS?
BIOS Keys by ManufacturerASRock: F2 or DEL.ASUS: F2 for all PCs, F2 or DEL for Motherboards.Acer: F2 or DEL.Dell: F2 or F12.ECS: DEL.Gigabyte / Aorus: F2 or DEL.HP: F10.Lenovo (Consumer Laptops): F2 or Fn + F2.More items...•
How do you get into the BIOS in Windows 10?
To enter BIOS from Windows 10Click --> Settings or click New notifications. ... Click Update & security.Click Recovery, then Restart now.The Options menu will be seen after executing the above procedures. ... Select Advanced options.Click UEFI Firmware Settings.Choose Restart.This displays the BIOS setup utility interface.
How do I select AHCI in BIOS?
The BIOS Setup Utility provides an option to enable AHCI, this can be found under the Advanced | ATA Controller setup page. Enabling the AHCI provides access to all 6 SATA ports on the server board. If this is not enabled, the user will only have access to 4 ports on the server board.
How do I get UEFI firmware settings?
To do this:Select Start > Settings > System > Recovery .Next to Advanced startup, select Restart Now.Under Choose an option, select Troubleshoot > Advanced Options > UEFI Firmware Settings, and then select Restart.
How do I start win 10 in safe mode?
From SettingsPress Windows logo key + I on your keyboard to open Settings. ... Select Update & Security > Recovery . ... Under Advanced startup, select Restart now.After your PC restarts to the Choose an option screen, select Troubleshoot > Advanced options > Startup Settings > Restart.More items...
How do I start my computer in Safe Mode with Windows 10?
How to boot in Safe Mode in Windows 10Hold down the Shift button as you click "Restart." ... Choose "Troubleshoot" on the Choose an option screen. ... Choose "Startup Settings" and then click Restart to get to the final selection menu for Safe Mode. ... Enable Safe Mode with or without internet access.More items...•
1. How do I fix inaccessible boot device error?
On this page, we covered the full fixes for inaccessible boot device error - 0x0000007b. Concluded, here are all the possible fixes that you can tr...
2. What does it mean if my computer says no bootable device?
Inaccessible Boot Device error code 0x0000007b is a typical blue screen of death hitch which frequently happens to Windows computers and laptops. B...
3. How do I fix 0xc0000001?
Here is a quick guide that you can follow to fix 0xc0000001 error on Windows 10/8/7/XP:Step 1. Restart your computer.Step 2. Press SHIFT + F8 when...
Why Is boot device inaccessible?
The INACCESSIBLE BOOT DEVICE has an error code: 0x0000007B. Why the Windows 10 INACCESSIBLE BOOT DEVICE error occurred? Microsoft claimed that the error indicates the Microsoft Windows operating system has lost access to the system partition during startup. Therefore, the causes behind the “INACCESSIBLE BOOT DEVICE error” might include:
Why is my Windows 10 inaccessible boot device?
Recently installed packages may induce the inaccessible boot device error in Windows 10. If you have enabled the Windows updated to install new packages automatically, you won’t receive any notification when the new packages are installed. In this case, you can remove one by one.
What to do if your MBR is corrupted?
If the boot error is caused by corrupted MBR, you can use the freeware : AOMEI Partition Assistant Standard. It is able to rebuild damaged MBR. Since you cannot boot into Windows as normal, first we need to create a bootable media on a normal PC boot your Windows 10, then rebuild MBR under WinPE . Below are the details:
How to fix Windows 10 that won't boot?
Steps you need to take: 1. Restar your computer and then long press the power button for around 5 seconds until it shuts down.
Why does my BIOS start up with a startup issue?
If you have made some changes on the BIOS settings, it may also trigger the startup issue. Then you can revert the changes and restore the BIOS to the last saved configuration.
What is incompatible disk hardware?
Incompatible disk hardware, like installing a disk controller and add a hard drive, which might be incompatible with your Windows operating system.
Why is my boot device inaccessible?
Most of the time, the INACCESSIBLE BOOT DEVICE error occurs because a boot device has failed or is unreadable. During input/output (I/O) initialization the boot device driver might not have been able to initialize the boot device (which is a hard drive or SSD, perhaps even one of the best SSDs ). Other potential causes include:
What does "inaccessible boot device" mean?
As its name indicates, the INACCESSIBLE BOOT DEVICE BSOD reflects some kind of issue with a Windows installation’s designated boot device. When this error occurs, it means that the Windows file system tried to read the boot device and failed. Most often, this means the boot device failed to initialize.
What is the error code for Windows boot?
Repartitioning the boot/system drive, alterations to the boot configuration data (BDC), BIOS configuration changes, or installing a new or different disk controller can provoke this stop code, which takes numeric value 0X0000007B (aka 0X7B). This error code is discussed in more detail in the Microsoft Docs page for INACCESSIBLE_BOOT_DEVICE .
What does "undo" mean in BIOS?
Undo BIOS changes: If you’ve reset boot order or drive priority improperly, restoring previous settings will usually set things right. This stop code may pop up, for example, when changing controller mode from legacy to AHCI, or from RAID to AHCI (or vice-versa) in the BIOS. See our article on how to enter your BIOS for help getting into the menu.
What does it mean when a boot loader does not recognize the boot device?
Alternatively, when the boot loader attempted to access the designated boot device, it did not recognize its data as a file system structure . In simpler terms, the boot process did not find a bootable system where the boot configuration data said it was supposed to be. At the highest possible level, this error indicates no boot device is known or accessible to the problem PC.
How to fix a boot drive that is not working?
If this fixes the problem, you’ll need to make configuration changes to resolve potential IRQ or I/O port conflicts to get all parts working.
Can file system initialization recognize boot device?
File system initialization could not recognize the data on the boot device.
How to fix inaccessible boot device?
Anyway, one way to solve the Inaccessible Boot Device error is to toggle the AHCI mode value in BIOS to Enabled. You may press the appropriate key (s) to enter the BIOS, generally F2, Escape or Delete, and then locate the Advanced Options menu > Set AHCI Mode and change the value to Enabled.
Why is my boot device not accessible?
Why is the boot device not accessible? You might ask. Similar to other blue screen of death messages, such as operating system not found or critical process died, generally the behind culprits are: 1 Drivers corrupted, outdated or configured inaccurately with current hardware 2 Hard drive, namely the boot drive itself, has been corrupted, damaged or failed 3 Hardware conflicts with the system updates and changes 4 Other minor factors, e.g. the data cable connected to the software is loose or bad; malware or virus infection.
How to find lost files on USB drive?
When you boot from the USB, you can run EaseUS Data Recovery Wizard from the WinPE bootable disk. Select the drive you want to scan to find all your lost files.
How to change boot sequence in BIOS?
For most users, it works well when they restart their computer and press F2 at the same time to enter BIOS. Set to boot the PC from "Removable Devices" (bootable USB disk) or "CD-ROM Drive" (bootable CD/DVD) beyond Hard Drive. Press "F10" to save and exit.
What to do if your computer is dead blue?
Given that the computer is now dead blue, displaying the error Inaccessible Boot Device, all you need is to find a normal computer which you'll download and install the required bootable data recovery software and make a bootable CD/DVD or USB drive on it. The whole blue screen of death data recovery goes through three stages:
What does "No bootable device available" mean?
Briefly, "No Bootable Device Available" means your computer can't find your hard drive (Hard Disk or HDD). As a result, the hard drive is where data is stored on your computer (files, programs, photos, everything), including Windows or whatever operating system you have installed, cannot be load nor accessed by then.
How to update ATA controller?
Or, you can update the driver automatically in Device Manager. Press Windows + R keys at the same time, and type devmgmt. Msc in the Run box and hit Enter. In the Device Manager, locate and expand the IDE ATA/SATA controller sub-menu, right-click on Standard SATA AHCI Controller, and select Update Driver. Windows will automatically check and install the needed driver for you after a restart.
What Does the Inaccessible Boot Device Error (Code 0x0000007b) Mean?
The Inaccessible Boot Device error means that Windows failed to access the system partition (i.e., your hard disk) while starting the system. These errors are more common on PCs that have an SSD, and can be caused by several things.
What to do if you can't access Windows?
However, before you start, you should know that you need to access Windows for some of these fixes. If you can’t access Windows at all, try to boot into Safe Mode. In fact, sometimes just booting into Safe Mode and then restarting the PC again sometimes fixes the issue. So give that a try first.
How to enable ACHI on a sata controller?
Look for Storage Configuration > SATA Configuration/SATA Emulation or something similar in the BIOS. If you can’t find these on your BIOS, you’ll need to do some digging and look for the term “AHCI.” Enable ACHI for your SATA controller (or change SATA mode to AHCI), which should fix the problem.
What to do if you encounter error after update?
If you encountered the error after an update, just uninstalling the update packages might resolve the issue.
How to launch the computer management console?
Right-click on Computer and select Manage to launch the Computer Management console.
Can you use a SATA drive in BIOS?
If you’ve been spending some time playing around with the BIOS or if you’ve updated your BIOS recently, this is the fix you’d want to try first. The BIOS allows you to choose a mode for SATA drives. If you’ve chosen a mode other than AHCI, you’ll need to fix this.
How to boot if Windows cannot boot?
If Windows cannot boot, run the command in the recovery console by typing chkdsk/r C:.
How to recover from a crash computer?
1. Initiate the Recoverit software, choose your preferred data recovery mode and if you have any challenges with your Windows 10 not booting up, select the "Recover from Crash Computer" option . On the next pop up Windows notification, select "Start". 2.
What happens if malware is detected?
If malware is detected, the PC will then prompt the action needed to fix the problem.
Why does my computer shut down after a reset?
In other words, the computer loses access to some system partition while starting up, causing itself to shut down to protect against data loss or damage.
How to update ATA controller?
You can also press Win + X and choose Device Manager. Expand " IDE ATA/SATA controller" found on the left pane and right-click Standard SATA AHCI Controller, and then choose Update Driver.
What to do if disk issue persists?
If the issue persists, you may perform a check disk and check if that helps.
How to fix a computer that won't turn on?
Click on ‘Repair your computer’ and select ‘Troubleshoot’. Click on ‘Advanced options’ and click on command prompt. Run the following command from the command prompt and press enter. Press Y when you are prompted to check the disk the next time that the system restarts.
