DeepSeek PC idle GPU spike: what to check (2026)
If GPU stays high while the chat is idle, check whether hardware acceleration is forced on.
Fully quit and relaunch once; a stuck webview render can keep the GPU busy.
Compare with the browser version of the same account to see if the desktop shell is the culprit.
Update the desktop build before reinstalling—older clients leak GPU contexts more often.
After the fix, leave a blank chat open for two minutes and re-check Task Manager.
Change one variable at a time and confirm what actually helped.
If a company policy is involved, rule that out before chasing client settings.
Write the working steps into a short checklist for next time.
Export or screenshot a good setup so reinstalls are faster.
If it still flakes, retest on a clean network such as phone hotspot.