Easy methods to Repair the Inaccessible Boot System Error in Home windows

The “Inaccessible boot system” error causes a Blue Display screen of Dying (BSoD) on Home windows PCs. It happens when the PC can’t entry the system partition the place vital boot information are positioned, so Home windows is unable as well as a result of it can’t learn the designated boot system. The “Inaccessible boot system” can happen with each SSDs and arduous disk units. Let’s undergo the varied strategies to repair this subject in Home windows.
Good to know: for extra info concerning common fixes focusing on BSoDs, take a look at our devoted article.
Preliminary Fixes to Attempt
Earlier than implementing the error-specific fixes listed under, go forward and take a look at some common options to see for those who can resolve the “Inaccessible boot system” error in your Home windows PC with minimal effort.
- Reinstall GPU drivers: a corrupted graphic card driver could cause an “Inaccessible boot system” error. To repair this, carry out a clear graphics card driver set up on Home windows.
- Test for viruses: malware might be one other reason behind this error. To get rid of this risk, run a malware scan utilizing Home windows’ built-in Microsoft Defender utility or your third-party antivirus of selection.
- Run SFC scan: another excuse for this error may very well be corrupted information in your storage system. To take away corruption, run a SFC scan in your pc.
- Confirm arduous disk: arduous disk or SSD failure can even produce this error. In such instances, the one repair is to get the storage system changed. Keep in mind to repeatedly test your arduous disk well being to stop this from occurring. Someday the issue may very well be a nasty connection. Attempt changing the SATA cable connecting the arduous disk/SSD to the motherboard and see if that fixes the error. Solely try this for those who’re a sophisticated person with strong information of the method.
If none of those preliminary fixes have solved your subject, you need to transfer on to the superior fixes as described under.
1. Flip On Secure Mode
In some instances, the “Inaccessible boot system” error is attributable to a third-party app. It is likely to be stopping the pc from booting or interfering with its entry to the boot information. When you suspect that is likely to be the case, attempt switching to Secure Mode to have Home windows load with minimal drivers and providers.
If Home windows boots efficiently in Secure Mode (which means it’s not a {hardware} subject), you may then undergo the record of third-party apps to see which one is inflicting the difficulty. You may then disable the app to take away the error out of your system.
2. Test Your Storage System Compatibility
It’s best to be sure that your Home windows OS has sufficient cupboard space to work with in your PC. If the storage system has too little accessible cupboard space, you’ll run into compatibility issues, which in flip, would possibly outcome within the “Inaccessible boot system” error manifesting. It’s best to allocate at the very least 60GB or extra cupboard space for the OS. Test our information on easy methods to clear up and make house in your Home windows “C” drive.
Tip: Home windows 11 S is an alternate Home windows model that focuses on safety. Discover ways to allow it.
3. Replace Your IDE ATA/SATA Drivers
Another excuse why you is likely to be experiencing the “Inaccessible boot system” error is outdated IDE ATA/SATA drivers. Right here’s easy methods to replace them.
- Press Win + R to open the Run field and sort
devmgmt.msc
. Press Enter to open the System Supervisor.
- Click on “IDE ATA/ATAPI controllers.”

- Proper-click the “Commonplace SATA AHCI Controller” choice and choose “Replace driver” from the menu.

- Choose “Search routinely for drivers” to let Home windows set up the newest IDE ATA/SATA drivers routinely.

- Comply with the directions on the display screen to complete the motive force set up. The “Inaccessible boot system” error ought to now be resolved if it was attributable to corrupted or outdated IDE ATA/SATA drivers.
4. Delete Not too long ago-Put in Replace Packages
If the error occurred after a Home windows replace, it’s potential that the adjustments made by the replace might have brought on it. To repair this, delete the recently-installed replace packages by following these steps:
- Open Settings in your PC and choose “System -> Restoration.”

- Within the new window, choose “Restart now” below “Superior startup.” This may restart your PC.

- When your PC restarts, navigate to “Troubleshoot -> Superior Choices -> Command Immediate.”

- Kind
dir c:
in Command Immediate and press Enter. You may change “c” with no matter partition your Home windows is put in in. - As soon as the command has totally run, kind the following one and press Enter once more. This may record all of the put in packages in your PC.
dism /picture:c: /get-packages
- Be aware essentially the most just lately put in packages and write down their names.
- Kind the next command in Command Immediate and hit Enter. Substitute [package name] with the just lately put in bundle title.
dism.exe /picture:c: /take away-bundle /[package name]
- Restart your pc and see if the error is mounted.
FYI: taskbar icons lacking in Home windows? Listed here are the fixes.
5. Delete Replace Pending Packages
Replace pending packages may trigger the “Inaccessible boot system” subject. Deleting these packages might forestall the error from occurring.
- Retrace steps #1 to #3 from the part above to open Command Immediate by way of the “Superior choices” menu.
- Kind the next command and press Enter.
reg load hklmtemp c:Windowssystem32configsoftware
- Proceed with this command and hit Enter once more.
reg delete “HKLMtempMicrosoftWindowsCurrentVersionComponent Based mostly ServicingSessionsPending”/v Unique
- Kind the next command adopted by Enter.
- Restart your PC.
Tip: for extra strategies on easy methods to enter BIOS, test our devoted submit.
6. Activate AHCI By the System BIOS
Turning on the AHCI setting within the boot menu has been identified to resolve the “Inaccessible boot system” error for some customers. To allow AHCI mode, you should entry your pc’s BIOS settings.
- Begin your pc in Superior mode by navigating to “System -> Restoration -> Superior -> Restart Now.”

- As soon as your PC restarts, click on “Troubleshoot.”

- Now choose “Superior choices” and click on “UEFI Firmware Settings.”

- Choose “Restart,” and your PC will reboot in BIOS.

- Within the BIOS, navigate to “Config,” and press Enter on the “Serial ATA (SATA)” choice.

- Within the new window, modify the “SATA Controller Mode Choice” to “AHCI.”

- Press F10 to avoid wasting and exit. The AHCI setting can be turned on.
Tip: when you have any of those apps in your PC, do your self a favor and uninstall them instantly.
7. Manufacturing unit Reset Your PC
If not one of the above fixes have labored for you, you may attempt performing a manufacturing facility reset. By resetting your PC, all Home windows settings will set again to default, so the underlying downside inflicting the “Inaccessible boot system” error ought to be mounted. Nevertheless, be certain to again up your knowledge first, as all the pieces will get deleted within the course of.
Eradicating the BSoD for Good
BSOD errors may appear scary, particularly for those who’ve by no means come throughout one earlier than. Nevertheless, by making use of one of many fixes described rigorously on this article you need to be capable of put the reminiscence of the “Inaccessible boot system” error to relaxation. As soon as your PC begin functioning usually once more, you would possibly wish to rise up to hurry with methods to repair gradual boot instances. Alternatively, discover ways to boot a number of working programs from one USB drive.
Picture credit score: A pc display screen exhibits particulars of Home windows blue display screen error by DepositPhotos. All screenshots by Khizer Kaleem