Spotfix – As the name suggests, this parameter tries to spot-fix any problems found in the volume. This switch works only on NTFS file system and should be used alongside with /scan parameter. As you can guess, when you use this parameter, it can cause other programs on your system to slow down due to limited resources. Pref – This parameter increases the chkdsk priority so that it can run the scans as fast as possible at the cost of higher system resource usage. If you chose to use this switch, it should be used alongside the /scan parameter.
ForceOfflineFix – This switch forces the chkdsk tool to force offline repair over the online repair. Scan – This parameter runs an online scan and only works on NTFS file system. B – This switch makes the chkdsk tool to re-evaluate the bad clusters on the volume. When used, this switch will skip cycle checking with the folder structure. C – Just like the above switch, this works only with the NTFS file system. Also, this switch works only on NTFS file system. As you can tell, you can use this switch while doing low priority scans or when you are on a time crunch. I – This switch makes the index scan less vigorous. Unless you know what you are doing, don’t use this switch. When used, if necessary, it will force the target volume to be dismounted resulting in invalidating any handles. In those situations, you can use this switch. X – Sometimes, if the volume is mounted, it can cause problems with scanning and recovering. In general, this is meant for server admins only. The switch allows you to change the file log size related to NTFS transactions. L:size – This switch works only on NTFS file system. Follow the instructions to choose a restore point for restarting your computer./R – This switch scans for bad sectors and if possible, recovers any readable information from those sectors. The command would open System Restore wizard immediately. To access the System Restore with Command Prompt, run Command Prompt from Windows recovery mode first.
But all the apps, updates, and drivers installed after the restore point will be removed. Please note that System Restore wouldn't affect personal files in Windows.
If you have already created a restore point before, you can restore Windows 10 to the previous state. Access the System Restore with Command Prompt Therefore, when it couldn’t work, proceed to the next one. Please note that even if the Bootrec.exe tool can fix most boot problems, it still could not solve every possible error in a computer startup. Want to know the specific function of each command line? You can see the description of the function by typing bootrec and press Enter key. Then type the following command lines and hit Enter respectively: To run Bootrec.exe, open Command Prompt from Windows recovery mode.
Problems in a master boot record, a boot sector, and a boot configuration data store can be fixed by this tool. Run Bootrec.exe tool to repair boot errorsīootrec.exe tool is used to troubleshoot and fix boot problems in the Windows Recovery Environment. If you check and find nothing wrong with your hard drive, move to the next method. Since the user’s startup folders are in the system drive, so generally speaking, we just need to check the C drive.
Here’s how to use the CHKDSK command to check and fix disk errors.Īfter opening Command Prompt from Windows recovery mode, type chkdsk /f /r C: and hit Enter. Check and fix disk errors through CHKDSK commandĬHKDSK is a utility that can be used to check a specific drive and fix most issues with the hard drive. If the problem couldn’t be solved, follow the next method. When the check is complete, you can try to reboot the computer to see if there are any problems with the startup. The whole scan process may cost a few minutes or even hours. Open Command Prompt from Windows recovery mode guided by the steps above. SFC can automatically scan for corrupted and missing system files, and repair or replace them in Windows 10. The command line we'll execute first is the system file check (SFC).
Step 4: Choose an account and type the password on the next page. Step 3: Here comes to "Choose an option" interface, follow the given route to open Command Prompt as administrator: Troubleshoot > Advanced options > Command Prompt. Step 2: In the interface of "Windows Setup", select the language preference you’d like and then select the Next button to continue. When the computer shows the Windows icon, press F8 constantly to show the "Windows Setup". Here are steps to do that when the computer fails to boot.
There is one way to open Command Prompt without entering the Windows desktop. In general, when there is something wrong with the startup of the computer, we couldn’t access the Windows 10 desktop to run Command Prompt. Run Command Prompt from Windows Recovery mode first