Disk Defragmenter does not work? Disk defragmenter could not start or Failed to initialize? Optimization not available? Defrag button is grayed out? See this fix!

As there are scenarios where Windows won’t be able to read from the source disk as the file format name contains a special character that is not compatible with the operating system and can lead ...

When starting your computer system, a 'disk boot failure - insert system disk' error can occur for several reasons, including either hardware or software changes. It is possible to fix the disk boot ...

To fix this, try running the Windows Update troubleshooter, clearing cache files, or verifying disk space. If related to a specific app, consider repairing, resetting, or reinstalling the app ...

Microsoft acknowledged and rolled out a fix for an issue that caused booting to fail on some Windows 10 devices following the use of the chkdsk (Check Desk) tool.

If your computer begins displaying the message, "DISK BOOT FAILURE INSERT SYSTEM DISK AND PRESS ENTER" or "No system disk," it means that the PC cannot start because it cannot find the operating ...