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Contents
- 1 About 'The drive where Windows is installed is locked'
- 2 Causes of this Error
- 3 Fixing 'The drive where Windows is installed is locked' on Windows
- 4 More Information
About 'The drive where Windows is installed is locked'
The following information on this error has been compiled by NeoSmart Technologies, based on the information gathered and reported by our global network of engineers, developers, and technicians or partner organizations.
Description and Symptoms
The error messages, alerts, warnings, and symptoms below are tied to this error.
Symptom 1: 'The drive where Windows is installed is locked' error screen on startup
The screen below is displayed when you attempt to start your PC. Unlike most errors, this error screen isn't identified by an error code like the 'Your PC needs to be repaired' error:
Causes of this Error
This error has been known to occur as a result of one of the following causes:
Cause 1: Bitlocker boot agent disabled
The root cause of this issue is due to the usage of Windows Bitlocker encryption. Bitlocker is a whole-disk encryption used to secure user data, but requires that the Bitlocker boot agent be installed. At boot time, this boot agent is used to unlock the Windows drive before attempting to load Windows 7, Windows 8, or Windows 10. If this agent is disabled or overwritten, either on purpose, by accident, or due to 3rd party interference such as 3rd party bootloaders or malware infecting the boot process, this error message can appear.
Cause 2: The TPM has been cleared or reset
BitLocker can optionally use a hardware encryption chip found on most modern PCs and laptops known as the TPM (Trusted Platform Module) to manage the secret keys used for the encryption of data. If this TPM is cleared or lost, either due to the user clearing the TPM manually in the BIOS/firmware setup or due to a TPM firmware upgrade as part of the system firmware/BIOS upgrade process, the keys the TPM contains may be cleared and the system will fail to boot.
Cause 3: BCD file is damaged
The BCD(Boot Configuration Data) file that contains boot configuration parameters for Windows system, is a very important part of booting process. If that file becomes damaged, then the boot process is halted.
Fixing 'The drive where Windows is installed is locked' on Windows
Windows Setup CD/DVD Required!
Some of the solutions below require the use of the Microsoft Windows setup CD or DVD. If your PC did not come with a Windows installation disc or if you no longer have your Windows setup media, you can use Easy Recovery Essentials for Windows instead. EasyRE will automatically find and fix many problems, and can also be used to solve this problem with the directions below.
Fix #1: Use Easy Recovery Essentials
Easy Recovery Essentials can fix many errors such as this automatically using its built-in Automated Repair option. EasyRE is currently available for Windows XP, Vista, 7 and 8 and can be downloaded and created on any PC.
- Download Easy Recovery Essentials. Make sure to note your Windows version (XP, Vista, 7 or 8) before you download EasyRE. This guide can help you identify what version of Windows you have installed.
- Burn the image. Follow these instructions on how to burn the bootable ISO image very carefully, as making a bootable CD can be tricky! Alternatively, these instructions explain how to create a bootable EasyRE recovery USB stick/drive.
- Boot up your PC from the Easy Recovery Essentials CD or USB you created.
- Once EasyRE is running, choose the 'Automated Repair' option and click Continue.
Choose 'Automated Repair' in Easy Recovery Essentials
- After EasyRE scans your computer's drives, identify and select the drive letter for your Windows installation from the list, and then click on the Automated Repair button to begin.
Choose the drive associated with the Windows installation you're trying to repair.
- Easy Recovery Essentials will start analyzing the selected drive for problems. EasyRE will test for and attempt to automatically correct errors with the disk, partition, bootsector, filesystem, bootloader, and registry. No intervention is required, as EasyRE's repair is fully automated:
Easy Recovery Essentials searches for errors and makes corrections to the selected Windows installation.
- Once the process is complete, EasyRE will report its findings. Click on the Restart button to reboot your PC and test the changes.
- The 'The drive where Windows is installed is locked' error should now be fixed as your PC begins to load:
You can download Easy Recovery Essentials from here.
Fix #2: Run Automatic Repair
The Automatic Repair utility, which is available in Windows 8/8.1/10 by default, might fix the 'The drive where Windows is installed is locked' error.
To access Automatic Repair on your computer, follow these steps:
- Insert the Windows DVD/USB and reboot the system.
If you don't have your original Windows 8 installation media, go to Fix #1: Use Easy Recovery Essentials
- Boot from the media
- Click Repair your computer
- Navigate to Troubleshoot > Automatic Repair
- Continue with the wizard to complete the process
Windows 8 Repair your computer screen
If running Automatic Repair didn't fix the error, go to Fix #3: chkdsk to run the chkdsk
utility.
Fix #3: Check disk for errors with chkdsk utility
The chkdsk
utility will check the integrity of your hard disk. You can try to fix the 'The drive where Windows is installed is locked' error with the chkdsk /r
command.
To do so, follow these steps to access chkdsk
:
- Restart the computer with the original installation media (that's either the DVD or the USB flash drive)
If you don't have the original install media, go to Fix #1: Use Easy Recovery Essentials
- Click Repair your computer
- At the Choose an option screen, click Troubleshoot
- Click Advanced options
- Click Command Prompt
- Type this command:
Where
C:
is the letter of the drive where Windows 8/8.1/10 is installed on. If your Windows 8 is installed on theD:
drive, enterD:
- Press Enter
Fix #4: Use bootrec to rebuild the BCD file
In some cases, the 'The drive where Windows is installed is locked' error can appear due to damage or corruption of the BCD file on your Windows system.
To fix the BCD, follow these steps:
- Insert the installation media and boot from it
If you don't have the original disc, go to Fix #1: Use Easy Recovery Essentials
- At the Install screen, click Repair your computer or press R
- Navigate to Troubleshoot > Advanced Options > Command Prompt
- Type this command:
- Press Enter
- Type this command:
- Press Enter
- Type this command:
- Press Enter
- This this command:
- Press Enter
- Remove the installation media from the disc tray or USB port
- Type
exit
- Press Enter
- Restart your computer
Bootrec utility results screen
Fix #5: Set the correct partition
If Fix #4: bootrec didn't fixed the 'The drive where Windows is installed is locked' error by replacing the boot loader of your Windows 8, you may need to set the correct partition first and then run bootrec
again.
To do so, follow these steps:
- Boot from the install media as explained in Fix #4: bootrec until you reach Command Prompt
If you don't have the original disc, go to Fix #1: Use Easy Recovery Essentials
- When Command Prompt appears, type this command:
- Press Enter
- Then type:
- Press Enter
- Then type:
- Press Enter
- Check the volume listed by Command Prompt with FAT32 at the Fs column. Once you identified the volume, type this command:
Replace
2
with the volume's number. - Press Enter
- You need to assign a new letter to this partition. The letter must be unique, e.g. it can't be
c:
:Replace
x:
from the command above with a unique letter for this partition. - Press Enter
- Wait for the confirmation message from the
diskpart
utility to appear: - Then type:
- Press Enter
- Then type:
Make sure to replace
x:
with the letter you've assigned earlier. - Press Enter
- Then type:
- Press Enter
- Then type:
This will create a backup of your current BCD file.
- Press Enter
- Then type:
Make sure to replace
x:
with the letter you've assigned earlier. - Press Enter
- Remove the install media from the disc tray or USB port
- Type:
- Press Enter
- Restart the computer
Fix #5: Refresh the PC
You can perform a Refresh of your Windows 8/8.1/10 system.
Refresh acts as a reinstall of your Windows 8 without affecting your personal files. This might fix the 'The drive where Windows is installed is locked' error.
To run Refresh, follow these steps:
- Restart your computer
- Boot from the Windows 8/8.1/10 installation media (the original DVD or USB drive).
If you don't have your original Windows 8 installation media, go to Fix #1: Use Easy Recovery Essentials
- Click Repair your computer
- Click Troubleshoot and then click Refresh your PC
- Follow the wizard instructions to complete the process
More Information
Linked Entries
Support Links
- Easy Recovery Essentials for Windows – our repair and recovery disk.
It's an easy-to-use and automated diagnostics disk. It's available for Windows 8, Windows 7 and Windows Vista. It's also available for Windows XP and Windows Server.Read more at Windows Recovery Disks.
- The NeoSmart Support Forums, member-to-member technical support and troubleshooting.
- Get a discounted price on replacement setup and installation discs: Windows 8, Windows 10.
Applicable Systems
This Windows-related knowledgebase article applies to the following operating systems:
- Windows 8 (all editions)
- Windows 8.1 (all editions)
- Windows 10 (all editions)
Download our recovery and repair disk for Microsoft Windows 8 and Windows 8.1 (also for Windows Vista, 7, XP or Server editions) that can be used to access system recovery tools, giving you options of using an antivirus, System Restore, document and picture backup and recovery, automated system repair, and a command-line prompt for manual advanced recovery.
Our recovery disk is compatible with desktops, workstations, laptops, notebooks, netbooks, ultrabooks and servers from Dell, HP, Acer, Asus, Samsung, Lenovo, IBM, Toshiba, Compaq, Gateway or eMachines that have Windows 8 or 8.1 installed.
The disk is compatible with 32-bit and 64-bit editions of Windows 8 or Windows 8.1. It supports x86 and x64 platforms.
Easy Recovery Essentials – or EasyRE – is a 50 to 135 MB ISO image that you can download and burn to any CD, DVD or USB drives.
With Easy Recovery Essentials you can recover and repair your computer.
Contents
- Compatibility
About our recovery and repair disk
It has become harder and harder to get recovery or installation disks for your computer as major PC manufacturers no longer distribute a recovery or repair CD/DVD with your purchase.
A Windows 8 or Windows 8.1 installation DVD can be used to recover your computer. You can use it to access many recovery options, use System Restore and automatically fix boot errors or blue screens.
But instead of giving customers real recovery CDs and DVDs with their purchase of a computer (like notebooks, laptops, desktop computers etc.), PC manufacturers (like Dell, HP, Samsung, Acer, Lenovo, Toshiba and others) usually require you to make the recovery media by yourself.
If you can't boot into Windows or your PC isn't working, only a bootable recovery and repair CD/DVD/USB can save you.
Our recovery disk, called Easy Recovery Essentials, is an ISO image that you can download today and burn to any CDs, DVDs or USB drives.
You can boot from our disk to recover or repair your broken computer.
We provided instructions on how to do this below, see Burn to CDs, DVDs or USB drives.
With Easy Recovery Essentials you can:
- Find and fix errors automatically with Automated Repair
- Recover your PC from infections with the built-in antivirus
- Restore your PC to a working state
- Access and backup your most important data (like documents, pictures, music, videos and so on)
Easy Recovery Essentials is used by computer technicians and IT experts for its many features:
- Fully-featured visual partition editor
- Scriptable command line
- Advanced recovery options
- Web browser
Read more about EasyRE for computer repair professionals here.
Windows 8.1 Recovery Disk Download
Download recovery disk for Windows 8 and 8.1
Our recovery and repair disk uses a non-destructive repair process that can recover your PC without formatting your hard drive or reinstalling Windows.
Easy Recovery Essentials comes with:
- Powerful Automated Repair feature
- Antivirus scanner built-in
- Ability to access System Restore
- Web browser to browser the Internet
- Ability to backup your most important files (documents, videos, pictures, music and so on)
- Memory diagnostics and a command-line tools for advanced options
Update: Please note that this disk is no longer free, due to licensing restrictions imposed upon us.
Our recovery disk supports x86 and x64 platforms and all Microsoft Windows 8 editions:
- Windows 8 (32-bit and 64-bit editions)
- Windows 8.1 (32-bit and 64-bit editions)
Asus Windows 8 Recovery Disk Iso
Our disk is in ISO image format. You can burn the image to any CDs, DVDs or USB drives and then use it as a bootable recovery media.
You cannot use a recovery or repair disk to install or reinstall Windows 8.
Burn to CDs, DVDs or USB drives
We published a guide on how to burn an ISO image to CD or DVD. Our recovery ISO image can be burnt to any CDs or DVDs and USB drives.
You can burn it with your favorite burning program. We published step-by-step instructions and guides on how to do this for any CDs or DVDs:
You can opt for a recovery USB instead: follow our guide on how to make a EasyRE recovery USB drive here.
Compatibility
Our recovery and repair disk works with any desktop computers, workstations, laptops, notebooks, ultrabooks, netbooks or servers computers from all major PC manufacturers:
- Dell
- HP
- Asus
- Acer
- Lenovo
- Samsung
- Toshiba
It's also compatible with older or no longer available PC brands, such as:
- IBM
- Compaq
- Gateway Computers
- eMachines
If your computer runs Windows 8 or Windows 8.1, you can download Easy Recovery Essentials.
Dell
Our recovery disk is compatible with Dell computers:
- Dell Adamo
- Dell Inspiron
- Dell Studio
- Dell Vostro
- Dell XPS
- Dell Latitude
Do you have a Dell computer running Windows 8? Read our recovery and restore guide for Dell.
HP
Easy Recovery Essentials work with your HP computer. It's compatible with the following series of HP PCs:
- HP ENVY
- HP EliteBook
- HP Essential Home
- HP Pavilion
- HP x2 models
Do you have a HP computer running Windows 8? Read our recovery and restore guide for HP.
Asus
Easy Recovery Essentials is compatible with Asus computers.
Do you have an Asus computer running Windows 8? Read our recovery and restore guide for Asus.
Acer
Our recovery disk can be downloaded by Acer customers. The disk is compatible with all Acer series and models:
- Aspire M and T, Aspire X and Predator G
- Aspire R, Aspire V3 and Aspire E
- Aspire S7, Aspire S5, Aspire S3, Aspire P, Aspire M, Aspire V7, Aspire V5
- Aspire One
Do you have an Acer computer running Windows 8? Read our recovery and restore guide for Acer.
Lenovo
Easy Recovery Essentials is compatible with Lenovo computers:
- Lenovo ThinkPad
- Lenovo IdeaPad
- Lenovo Thinkcentre
- Lenovo Ideacentre
Do you have a Lenovo computer running Windows 8? Read our recovery and restore guide for Lenovo.
Samsung
Easy Recovery Essentials is compatible with any Samsung laptops or desktops:
- Samsung ATIV Book, Gaming and Business PC series for laptops
- Samsung ATIV One for All-in-One desktops
Toshiba
Easy Recovery Essentials is compatible with all Toshiba series and models:
- Toshiba Satellite
- Toshiba Qosmio
- Toshiba Portege
- Toshiba Tecra
- Toshiba Kira family series
- Toshiba All-in-One desktop series
Do you have a Toshiba computer running Windows 8? Read our recovery and restore guide for Toshiba.
IBM, Compaq, Gateway, eMachines
These PC manufacturers were either acquired by another company or they are no longer on the market. Our recovery disk is compatible with these PCs, if your computer runs the supported Windows versions:
- Windows 8 and Windows 8.1
- Windows 7 (all editions)
- Windows Vista (all editions)
- Windows XP
- Windows Server 2003, Server 2008, Server 2012
IBM
Lenovo acquired IBM's personal computer division in 2005.
Easy Recovery Essentials is compatible with IBM computers and laptops (like the ThinkPad series) and Lenovo computers (see Lenovo).
Compaq
Asus Windows 8 Oem Recovery Disk
HP acquired Compaq in 2002.
Easy Recovery Essentials is compatible with Compaq desktops and laptops (including the Presario series) and HP computers (see HP).
Gateway and eMachines
Asus Boot Disk Download Free
eMachines was acquired by Gateway Computers in 2007. In 2007, Gateway Computers was acquired by Acer. The eMachines brand was used until 2012.
Easy Recovery Esssentials is compatible with Gateway computers:
- Series SX, DX and One ZX
- NE and NV series
- LT series
Do you have a Gateway computer running Windows 8? Read our recovery and restore guide for Gateway.
Easy Recovery Esssentials is compatible with eMachines PCs and Acer computers (see Acer).
Disk for Windows 7, Windows Vista, Windows XP or Server editions
You can download Easy Recovery Essentials for other versions of Windows, such as Windows 7, Windows Vista, Windows XP or the Windows Server editions.
Windows 7
Read more about our recovery disk for Windows 7.
Our recovery disk supports Windows 7 (32-bit and 64-bit) and its editions: Ultimate, Enterprise, Professional, Home Premium, Home Basic and Starter.
Download the disk for Windows 7.
Windows Vista
Read more about our recovery disk for Windows Vista.
Easy Recovery Essentials supports Windows Vista (32-bit and 64-bit) and its editions: Ultimate, Enterprise, Professional, Home Premium, Home Basic and Starter.
Download the disk for Windows Vista.
Windows XP or Server editions
If your computer runs Windows XP or Windows Server, you can download Easy Recovery Essentials.
Our disk supports Microsoft Windows XP, including the Service Pack updates:
- Windows XP Service Pack 1 (SP1)
- Windows XP Service Pack 2 (SP2)
- Windows XP Service Pack 3 (SP3)
Download the disk for Windows XP.
You can download the disk for any of the following Windows Server editions:
- Windows Server 2003
- Windows Server 2008
- Windows Server 2012
Download the disk for Windows Server.
Support
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Open a support thread at https://neosmart.net/forums/ and we'll help you resolve your problem ASAP.