Win10 hard disk 100% occupied official solution

Table of Contents

• 1. The reason why win10 hard disk is 100% occupied
• 2. The dangers of 100% occupied Windows 10 hard disk
• 3. Specific steps

1. The reason why win10 hard disk is 100% occupied

(1). Occupation of system services or processes: such as Windows Search (search service), SuperFetch (super prefetch service), Windows Defender (antivirus software), etc. These services or processes may occupy a large amount of disk resources when running.
(2). Software updates: Especially updates from the Windows App Store, may take up a lot of disk IO.
(3). Disk fragmentation: Long-term use without defragmentation may cause serious file fragmentation and affect disk performance.
(4). Too many junk files and temporary files: Insufficient free space in the system area will also affect disk performance.
(5). System or hardware problems: Such as driver incompatibility, hard disk failure, etc. may also cause high disk usage.

2. The dangers of 100% occupied Windows 10 hard disk

When the hard disk occupancy rate reaches 100%, system performance will decrease significantly. The specific manifestations are as follows:
(1). System lag: Users will feel obvious delays and lags when performing daily operations, such as opening files, running programs, etc.
(2). Slow application response: When opening or switching applications, you need to wait for a long time.
(3). System crash: In extreme cases, high disk usage may cause the system to crash or fail to operate properly.

3. Specific steps

(1). Press "win+r" to open the run box, enter "services.msc" and click the Enter key.
(2). In the services window, click "Windows Search".
(3). Click the drop-down selection box to the right of the startup item.
(4). In the drop-down list, click "Disable" and then click the "OK" button.
(5). Return to the service window and click "Sysmain".
(6). Select Disabled in the startup type and click "OK".

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