A required file or directory is damaged and unreadable.
Appears when using a Windows installation USB or copying files.
Check if other files also fail to read on the same drive.
If it is checked and resolved from above, you do not need to proceed to the next step.
Appears when using a Windows installation USB or copying files.
Difficulty Easy · Estimated time 5 minutes
Check points: Record the error code, when it occurred, and any recent changes.
A required file or directory is damaged and unreadable.
Difficulty Moderate · Estimated time 10~30 minutes
Check points: Compare the installation from the new media to the state of your original drive.
Among boot problems, the “powers on but does not boot” symptom may be related to boot file corruption or storage device issues. Distinguish between the POST stage and the Windows startup stage, then check in that order: external device, boot settings, and recovery environment.
If “computer slows down” repeatedly, it is better to narrow it down to excessive background processes and insufficient storage space rather than changing several settings at once. First look for CPU, memory, and disk bottlenecks in Task Manager and check startup programs, storage space, and temperature.
Content review date: 2026-10-07