Cannot update system reserved partition

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In Boot folder, you’ll have various language folders like en-US, en-GB etc. Inside Y: drive, you may find a folder named Boot. Make sure you checked Hidden items option under View tab of File Explorer‘s ribbon. Open File Explorer by pressing + E and locate the System Reserved partition drive i.e. Finally, type this command followed by Enter key: chkdsk Y: /F /X /sdcleanup /L:5000Ĩ.

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Moving on, type command once previous command is executed: attrib -h -s -r bootmgrħ.

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This command will also take some time to complete execution, so please bear with it and wait for a while.Ħ. Now once command mentioned in previous step successfully executed, type following command and hit Enter: icacls.