Fix
Blue Screen of Death (BSoD) Errors in Windows 7
This guide shows you how to fix
blue screen of death errors (or BSoD errors) for Windows 7.
If you see a blue screen error, but
Windows 7 restarts immediately and you can’t read the error text, follow these
instructions to disable the Automatically restart option:
- Right-click on My Computer
- Go to Properties
- Go to the Advanced tab
- At the Startup and Recovery section,
click the Settings button
- At the System failure section, make
sure the “Automatically restart” option is unchecked
- Click OK
If
you can’t boot into Windows, try booting into Safe Mode, follow the instructions
above and then restart your computer again. To boot Windows 7 in Safe Mode,
follow these steps:
- Restart your computer
- Press F8 before the Windows logo appears
- Use the arrow keys and select “Safe
Mode” from the boot menu
- Press Enter
Common fixes
To
fix Blue Screen of Death (BSoD) errors in Windows 7, you can try any of the
following tips:
Tip #1: System Restore
Follow the instructions from Restore Windows 7 guide on how to run System Restore for
Windows 7.
Tip #2: Install updates
Similar
to Windows Vista, installing recent updates from Microsoft might fix any errors
you are experiencing in your Windows 7 system.
If
Windows Update isn’t enabled to install the updates by itself, follow these
steps to do so manually:
- Click Start
- In the search box, type “Update”
- Choose Windows Update from the list
of results
- Click Check for updates, on the left
- Review any pending updates
- Click Install updates
Tip #3: Install the latest drivers
Make
sure you have the latest device drivers installed on your system. Go to your
computer’s manufacturer and check the driver’s latest version.
Many
blue screen errors can be caused by an incompatible device driver. You can try
removing any recently installed device driver and restarting your computer.
Tip #4: Check for hard disk errors
Windows
7 has several utility tools that can help you identify and fix certain errors.
You can use these utility tools to check for hard disk or memory issues.
Check for hard disk issues:
- Click Start
- Go to Computer
- Right-click on the main drive, where
Windows 7 is installed on, and click Properties
- Click the Tools tab and at the
Error-checking section click Check now
- Select both Automatically fix file
system errors and Scan for and attempt recovery of bad sectors
- Click Start
Check for memory issues:
- Click Start
- Click Control Panel
- Type “Memory” in the search box
- Click on Diagnose your computer’s
memory problems from the list of results
- Follow the next set of instructions
on the screen
Tip #5: Startup Repair
You
can run the Startup Repair tool manually if you have a recovery option
preinstalled on your computer, or have the original installation disk, or have
the system recovery and repair disk.
If
you have Startup Repair preinstalled on the system:
- Remove any CDs, DVDs or USBs from
the system
- Restart your computer
- Press and
hold F8 as your computer boots, but before
the Windows 7 logo appears
- At the Advanced Boot Options screen, select Repair your computer using the arrow keys and hit Enter.
1. Select
a keyboard layout and click Next
- At the System Recovery Options
window, click Startup Repair
If
you have the original installation disk or a recovery disk available:
- Insert the installation or recovery
disk
- Restart your computer
- Press any key to boot from the disk
- Choose your language and keyboard
layout (if this option is available), and then click Next
- Click Repair your computer, if
you’re using the Windows 7 installation disk
- At the System Recovery Options
screen, click Startup Repair
0x000000ED
(UNMOUNTABLE BOOT VOLUME)
The 0x000000ED blue screen error code
is also called UNMOUNTABLE_BOOT_VOLUME.
For
situations where the UNMOUNTABLE_BOOT_VOLUME error is caused by incorrect or
outdated information regarding the Windows partition in the boot configuration
files (BOOT.INI or the BCD) for NTLDR or BootMGR, Easy Recovery Essentials can
normally recreate the boot configuration with the correct settings and
parameters to allow for Windows to boot correctly:
- Download
Easy Recovery Essentials from here. Choose your Windows version (XP,
Vista, 7 or 8) before you go to download
- Burn the image. Follow these
instructions on how to
burn the bootable ISO image very
carefully, as making a bootable CD can be tricky!
- Boot into Easy Recovery Essentials
- Choose Automated Repair option and
click Continue
- Choose
your Windows installation drive’s letter (usually C:\) and click Automated
Repair
- Wait for Easy Recovery Essentials to
complete the process
- Once
the process is complete, click Restart
For
Windows 7, we covered how to fix UNMOUNTABLE_BOOT_VOLUME here.
0x0000007B
(INACCESSIBLE BOOT DEVICE)
The
Blue Screen of Death (BSoD) error with the code “0x0000007B” is also named
“INACCESSIBLE_BOOT_DEVICE” can be caused by data corruption on the hard drive.
To fix this error, do any of these
fixes.
Fix #1: Hard disk cables
Make
sure all your hard disks cables are connected properly.
Fix #2: Run chkdsk /f /r
The
chkdsk tool ships with Windows and can be used to check (and sometimes repair)
your drives for file system corruption.
- Insert your Windows installation DVD
- Power up your PC
- Press any key when you see “Press
any key to boot from CD or DVD…”
- Click Repair your computer
- Choose your operating system and
click Next
- Choose Command Prompt
- Once Command Prompt is launched,
enter the following command:
chkdsk /f /r
- Hit Enter
Fix #3: Rebuild the BCD
BCD
stands for Boot Configuration Data, contains boot configurations options of
Windows. To repair boot configuration data, you need to use the Bootrec.exe
tool.
You
can access the Bootrec.exe utility with a Windows 7 installation disk:
If you don’t have the
installation disk, use Easy Recovery Essentials to rebuild the BCD.
- Insert and boot from the
installation disk
- Press any key to boot from the disk
- Choose Repair your computer
- Select your operating system from
the list and click Next
- Select Command Prompt
- Enter this command:
bootrec /rebuildbcd
- Press Enter
0x00000024
(NTFS FILE SYSTEM)
In
Windows 7, the Blue Screen of Death (BSoD) error with the code “0x00000024”
also has the name “NTFS_FILE_SYSTEM” and can be caused by hard disk data
corruption.
To fix this error, try running the
chkdsk utility tool. If chkdsk does not work, try removing any hardware you may
have recently added to your system. Also, if you installed new software or
device drivers, uninstall those too.
Your
hard drive might be damaged, so consider replacing it if none of the solutions
presented here work for you.
Method #1: Run chkdsk
- Insert the installation DVD and boot
your PC
- Press any key
- Click Repair your computer
- Choose your operating system, then
click Next
- Choose Command Prompt
- Once Command Prompt is launched,
enter the following command:
chkdsk /f /r
- Hit Enter
More
information about this error is available in the “Fix 0x00000024” guide.
0x0000007E (SYSTEM
THREAD EXCEPTION NOT HANDLED)
The Blue Screen of Death (BSoD) error
with the code “0x0000007E” (and “SYSTEM_THREAD_EXCEPTION_NOT_HANDLED” as name)
can be potentially fixed by any of the following:
- Make sure you have enough hard disk
space
- Your BIOS version is the latest
available and it’s compatible with your computer
- Your video drivers are compatible
with Windows 7
- Your device drivers are properly
configured and compatible with your system
Your
computer’s manufacturer website should have more information on how to update
BIOS and that are the drivers you need to install for Windows 7.
0x0000008E (KERNEL
MODE EXCEPTION NOT HANDLED)
To fix the Blue Screen of Death (BSoD)
error with the code “0x0000008E” and the name
“KERNEL_MODE_EXCEPTION_NOT_HANDLED”, you can try the following:
- Make sure BIOS is up to date. Go to
your computer’s manufacturer website on how to update BIOS
- Uninstall any recently added drivers
or make sure you have the latest version available that is compatible with
Windows 7
0x00000050
(PAGE FAULT IN NONPAGED AREA)
The
Blue Screen of Death (BSoD) error with the code “0x00000050” (and the name
“PAGE_FAULT_IN_NONPAGED_AREA”) can be caused by incompatible drivers with
Windows 7 or hard disk corruption.
To fix this error, you can try:
- Reboot Windows 7 into the Last Known
Good Configuration mode
- Remove any new installed software or
drivers (and making sure you’re using the latest available versions for
these drivers that are compatible with Windows 7)
- Check the hard disk cables to be
connected properly
To
boot Windows 7 into the Last Known Good Configuration mode:
- Restart your computer
- Press F8 repeatedly before the Windows logo
appears
- Choose “Last Known Good
Configuration (Advanced)” from the boot options menu
- Press Enter
The Blue Screen of Death (BSoD) error
with the code “0x000000D1” (and the name
“DRIVER_IRQL_NOT_LESS_THAN_OR_EQUAL_TO”) can be caused by an incompatible
driver you may have recently installed.
To
fix this error, try booting Windows 7 into Safe Mode and then uninstall the
problematic driver.
0x000000EA
(THREAD STUCK IN DEVICE DRIVER)
The
Blue Screen of Death (BSoD) with the code “0x000000EA” and the name
“THREAD_STUCK_IN_DEVICE_DRIVER” is most likely caused by an issue with the
video driver and Windows 7.
To fix this error, make sure you have
the latest driver available for the video adapter that is compatible with
Windows 7. Your computer’s manufacturer website should have more information
and resources on the drivers available.
If
the driver isn’t causing the 0x000000EA to appear, try either updating BIOS to
the latest available version or try exchanging the video card.