Forum Discussion
AlejandroSmith
Sep 17, 2026Iron Contributor
Disk usage on a 1TB SSD running Windows 11 has reached 100%
I’ve been using this 1TB solid-state drive for about a year, and recently, whenever I boot up my computer, download a game, or try to take a screenshot, the disk usage spikes to 100%. Sometimes, whil...
stoakaunti
Sep 17, 2026Copper Contributor
As shown on the screenshot, the disk writes data. Open Resource Monitor and then intentionally create a spike, and right away you'll be able to see which process (and therefore which program) does the writing of data.