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Right after my computer wakes up when I press a key, the disk usage drops from 100% to 5%. How do I find out which program is using the disk?

task manager

Windows 8.1, and I have a black screen saver, it's not running anything or any animations for the screen saver.

random
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Chloe
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2 Answers2

1

It is possibly Automatic Maintenance which runs when your computer is idle. Verify it from Action Center which shows its 'Last run time'.

Mangesh Ghotage
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0

It is probably Windows itself. Thing like defragmentation (or TRIM for SSDs), Windows Defender Scans, Windows Update Downloads and Search Indexing have been moved to the background to lessen the impact on the usability. Windows tries to do them only when idle, and (if it's a laptop) preferably when the laptop is plugged in.

Especially the indexing reads much data from the disk.

DasKrümelmonster
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