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PC fans and lag guide
Home / PC fans and lag guide
Why Does Don't Sleep With The Fishes Make My PC Fans Turn On?
If you searched for “dont sleep with the fishes pc fans” or wondered why the fans ramp up when the game starts, begin with a calm diagnosis. A louder fan usually means the CPU or GPU is doing more work; it is not, by itself, proof of malware, a broken save, or a game-specific bug. This guide separates normal load from stutter, heat, crashes, and repeatable lag, then gives reversible checks before you touch drivers or files.
Quick answer
Why the fans turn on when the game starts
When a game opens a 3D scene, renders a menu, or uncaps its frame rate, the computer may raise fan speed to move more heat. The useful question is not simply “are the fans loud?” It is “what changes with the sound?” Stable frame pacing with normal temperatures can be ordinary load. Loud fans plus stutter, sudden clocks, crashes, or a temperature warning deserve a more careful check.
Start with one clean comparison: note whether the problem appears in the menu, during a run, after a long session, or only after an update. Then try a frame cap or V-Sync if the game or driver offers it, lower one graphics setting, close one overlay, and test again. Change one variable at a time so you can tell what helped.
The official source boundary matters. The itch.io project page currently shows Windows version 1.1.4.4 and visible 218 MB ZIP / 200 MB RAR files as checked on September 22, 2026. Steam remains the official store page. Neither source is used here to claim that version 1.1.4.4 fixes fan behavior; this is a diagnostic guide, not a patch note.
First diagnosis
Normal load or a real performance problem?
| What you notice | Likely meaning | First safe action |
|---|---|---|
| Fans get louder, but FPS and temperatures stay steady | Normal CPU/GPU load is possible | Set a reasonable FPS cap, then keep monitoring |
| Fans get louder and the image stutters | Frame pacing, graphics load, an overlay, or a background task may be involved | Lower one setting, close one overlay, and compare the same scene |
| Fans ramp up in the menu or while the game is idle | An uncapped menu, background process, driver state, or power mode may be keeping the GPU busy | Check Task Manager/GPU usage and test a capped or windowed mode |
| Heat warning, shutdown, burning smell, or repeated hardware crash | This is no longer a simple game-setting question | Stop the test and check the hardware, cooling, and manufacturer guidance |
This matrix is a triage tool, not a temperature guarantee. Laptop cooling, room temperature, dust, fan curves, and hardware age change what “normal” looks like. Record the numbers your machine actually reports instead of copying an arbitrary temperature from a forum.
Step 1
Record a baseline before changing settings
Write down the resolution, window mode, whether V-Sync or an FPS cap is enabled, and the point in the game where the fans change. If you can, note CPU usage, GPU usage, temperature, clock behavior, and approximate frame rate from the same scene. You do not need a perfect benchmark. A short repeatable route is more useful than a vague “it feels hot.”
Use the same save or menu state for each comparison. Do not change the companion, route, resolution, driver, and background apps all at once. If the issue only appears after ten minutes, record that delay. If it happens immediately in the menu, record that too; the difference helps separate game workload from a long-session heat buildup.
Step 2
Use reversible graphics and frame checks
Try a modest resolution or quality reduction first. If the game exposes V-Sync, a frame limiter, or a windowed/borderless mode, test one of those options. The goal is to avoid rendering far more frames than the display can show, not to chase a magical setting. If the fans settle while the same scene remains playable, you have evidence that load or frame pacing is part of the problem.
Do not assume a setting exists in every build. The page is written so you can skip a control that is not present. Do not download a “fan fix,” DLL bundle, cracked launcher, or driver package from a random page just because it promises lower temperatures.
Steps 3–4
Test overlays, background load, and official files
Close or disable one overlay at a time: recording tools, chat overlays, performance widgets, browser video, RGB utilities, and launcher overlays can all change the comparison. Restart the game after the change and repeat the same scene. If the problem disappears, re-enable items one by one instead of declaring every overlay unsafe.
For a Steam installation, use the official Steam Support file-verification instructions. For an itch.io installation, use the developer's official project page and compare a clean launch. The point is to restore a trusted file set, not to replace game files with a community patch. Keep your save backups and note the version before testing.
Update graphics drivers only from the GPU or computer manufacturer's normal channel. A driver update can help or hurt a particular game, so keep the old version information and compare results. If a problem starts immediately after a driver change, record that fact instead of stacking several untracked fixes.
Safe response matrix
What to try, and what to avoid
| Safe and reversible | Avoid as a first response |
|---|---|
| FPS cap, V-Sync, windowed test, one quality reduction | Random “optimization” executables or DLL packs |
| One overlay off, one clean restart, one repeated scene | Disabling antivirus or Windows security to run a mirror |
| Official Steam verification or official itch.io project page | Cracked builds, browser ports, torrents, or repacked installers |
| Record metrics, version, hardware, and exact reproduction steps | Calling one community comment a guaranteed fix |
Community reports can help you decide what to test, but they are not first-party proof. If you mention a report when contacting the developer, include the shortest reproducible path: build/source, operating system, GPU, settings, time to failure, and whether a clean launch changes the result.
Version and source boundary
What version facts can and cannot tell you
As checked on September 22, 2026, the official itch.io page shows Windows version 1.1.4.4 with visible 218 MB ZIP and 200 MB RAR files. Steam is the official store route and is useful for store requirements, achievements, and purchase context. This page does not claim a Steam build number, a safety scan, a direct file URL, or a version-specific fan fix.
If the official page changes again, re-check the source before updating a troubleshooting conclusion. A new version may change performance, but only a first-party note or a repeatable comparison can support a specific claim. Version freshness is a boundary for the diagnosis, not a reason to install an unverified patch.
Choose the right guide
Where this page fits in the site
Early survival failure
Use the walkthrough for day-one priorities and failure diagnosis.
Night events
Use the events guide when the problem is a route clue rather than frame pacing.
Files and official access
Use the official download guide for Steam/itch.io source boundaries, not mirror claims.
For characters, items, and endings, return to the wiki or endings guide. Keeping technical troubleshooting separate from route claims makes both pages easier to trust.
FAQ
Don't Sleep With The Fishes PC fans and lag FAQ
Are loud PC fans normal when I start Don't Sleep With The Fishes?
Sometimes. Fan speed rises when the CPU or GPU works harder, so loudness alone does not prove a bug. Check whether frame pacing, temperatures, crashes, or repeatable stutter change with it.
Why is the game lagging if the fans are not loud?
A quiet fan does not rule out a background task, driver issue, file problem, power limit, or frame-pacing issue. Compare CPU/GPU usage and the same scene before changing several settings.
Does version 1.1.4.4 fix the PC fan problem?
No specific fan fix is claimed here. The official itch.io page is the source for the checked version, but a version label alone does not prove a performance change.
Should I download a fan fix, DLL, APK, or browser build?
No. Use the official Steam or itch.io page and avoid cracked builds, mirrors, repacked installers, and files that ask you to disable security tools.
When should I stop testing?
Stop if the computer shows a heat warning, shuts down, smells hot, crashes repeatedly, or behaves outside normal hardware limits. Check cooling and manufacturer guidance before another game test.