Display & refresh rate
Make sure Windows is actually using your monitor's intended refresh rate.
THE PC GAMING PERFORMANCE HUB
Turn your PC into a better gaming machine.
Windows settings, GPU drivers, FPS, input latency and network optimization — explained simply and tested step by step.
FREEPractical guides
TESTBefore & after
SAFEReversible first
METHODTESTone change at a time
FOCUSPCWindows + games
Don't guess.
Scan your setup.
Get a quick browser-based profile of your PC, display and graphics environment, then receive a personalized checklist of what to check next.
NO DOWNLOADFREE PC SCANNER
PCTweaker PC Fingerprint
CPU threads, browser-exposed memory, graphics renderer, display information and platform — followed by practical gaming checks. It never changes your Windows settings.
Welcome to the PCTweaker Lab.
Build a game profile, diagnose FPS or network symptoms, track before/after benchmarks and generate a shareable PC fingerprint.
INTERACTIVE TOOLSFREE · NO DOWNLOAD
Diagnose. Test. Compare.
The Lab turns PCTweaker from a collection of guides into a practical troubleshooting workflow. Measurements stay in your browser where applicable.
The foundation
starts here.
Before changing advanced settings, get Windows, your display and your background apps under control.
SAFE BASELINE READY
↗
Game Mode & Graphics
Review Windows gaming features and per-game graphics preferences.
Startup & background apps
Reduce unnecessary background work without blindly disabling Windows services.
Drivers & temperatures
Check GPU drivers, CPU/GPU temperatures and clocks before troubleshooting FPS.
Find out what is actually slowing you down.
Don't apply twenty tweaks at once. Identify the bottleneck first.
Get smoother frames.
Learn the difference between average FPS, 1% lows and frametime — and diagnose CPU, GPU, RAM and thermal limits.
View method →Start with the source.
Use official NVIDIA or AMD drivers before trying obscure “FPS boost” downloads.
Make controls feel sharper.
Refresh rate, V-Sync, FPS caps, mouse polling and supported low-latency technologies.
Read the checklist →Low ping is useful.
Stable ping is better.
Connection quality is more than the number beside “ping”. Check jitter, packet loss, server region and local congestion.
✓ Ethernet when possible✓ Correct game region✓ No heavy uploads✓ Check packet loss
Run Free Speed Test →NETWORK TESTPing · Jitter · LossMeasure your own connection
EXAMPLE TEST— msMeasure your own packet loss and jitter
AtlasOS.
When you want to go deeper.
AtlasOS is an advanced Windows modification. It is optional, requires a supported reinstall process and should be treated as an experiment — not a guaranteed FPS button.
Read AtlasOS GuideBackup → reinstall → drivers → test →ADVANCED WINDOWSAtlasOSBackup · Reinstall · Test
ADVANCED MODEReduce unnecessary background activity
Measure the change
before you keep it.
Use the same game, scene and settings. Change one variable, record the result, then keep or revert it.
REPEATABLE METHODBEFORE / AFTER
Built for the games you actually play.
Game-specific guides can sit on top of the same optimization foundation.
F
FORTNITEFPS & input latency
Performance Mode, Windows settings and a repeatable benchmark.
Read guide →V
VALORANTFPS & input latency
Competitive graphics, Windows basics, frame pacing and Vanguard troubleshooting.
Read guide →CS
COUNTER-STRIKE 2FPS & frametime
CPU/GPU limits, graphics settings, input consistency and repeatable testing.
Read guide →WZ
WARZONEStutter & stability
Shader preloading, drivers, background conflicts, thermals and network symptoms.
Read guide →Original guides for real troubleshooting.
Short, practical articles that explain what to check before applying advanced tweaks.
W11
WINDOWSGame Mode checklist
Build a clean Windows baseline before advanced tuning.
Read guide →FPS
PERFORMANCEDiagnose stutters
Separate CPU, GPU, memory and software bottlenecks.
Read guide →LAT
INPUTInput latency checklist
Refresh rate, frame caps, polling and driver basics.
Read guide →NET
NETWORKPing, jitter & loss
Understand what actually affects online game consistency.
Read guide →Go beyond the
basic checklist.
For users who want to troubleshoot the details: advanced Windows configuration, power plans, timer behavior, GPU scheduling, services, startup analysis, network adapter settings and game-specific tuning.
⚠ ADVANCEDEvery deeper tweak should be tested individually. Create a restore point or backup before making system-level changes.
Need a tweak
for your setup?
Tell us your PC specs, game, FPS problem or latency issue. We can use that feedback to build more focused PCTweaker guides.
✦
Request a guide or report an issue
Use the contact page to send a suggestion, request a topic or report something that needs correcting.
Contact PCTweaker →Your PC. Your settings.
Your benchmark.
Start with the free Windows optimization guide and build from there.