Set a Blue-Light Filter schedule and save your settings
Set the tint’s start and end hours, save your preferences, and check the limits of the built-in Notes area.
Category
Guides
Practical guidance for choosing and using Jitsumi Windows utilities.
How to choose a Blue-Light Filter strength
Start at level 1, compare it with your normal display, and save the strength you prefer.
Check CPU, memory and audio in Gaming Overlay
Open the Performance and Audio panels with Shift+F12, and see what each one controls.
Open a reference image in Gaming Overlay
Keep a map, puzzle clue, or build reference nearby with Picture Preview.
Add an app to Gaming Overlay’s Quick Launch
Give an app a name, choose its executable, and test the new shortcut before your next game.
Do game booster apps increase FPS?
They may help when background activity is getting in the way, but they cannot promise more FPS. Here’s how to check a change.
Set up Game Booster’s game detection and automation
Check that your game is detected, choose the actions you want, and test what happens when you exit.
Free up Windows storage without deleting the wrong files
Review Windows’ storage categories, uninstall games you no longer play, and check what a cleanup action will remove.
What to check before ending a Windows background process
Identify the app, save its work, and check what else relies on it before choosing End task or an automatic closure.
Check CPU, memory and GPU use while gaming
Use Task Manager to find busy apps, then check system readings in Game Booster before changing settings.
Stop unwanted website notifications in Chrome, Edge and Firefox
A website can send browser notifications that look like system alerts. Identify which browser delivered one, block that site’s permission, and tell notifications apart from pop-ups and Windows app alerts.
BitLocker recovery after a BIOS update: what to do next
BitLocker can ask for its recovery key after a BIOS or UEFI change because the TPM sees a different startup state. Learn what to check now and how to prepare before the next update.
How to Set Up a Windows 11 Mobile Hotspot
Share a Windows 11 PC’s Wi-Fi, Ethernet or cellular connection with a phone or tablet. Choose the source, set hotspot details and connect over Wi-Fi.
How to Check Which Apps Use the Most Battery in Windows 11
Windows 11 can show which apps use the most battery and help limit background activity for supported apps. Learn how to read the list without missing notifications you need.
Windows Wi-Fi keeps disconnecting? Use the WLAN report
Use Windows' built-in WLAN report to match Wi-Fi dropouts to connection sessions, disconnect reasons and adapter details before changing network settings.
Do You Still Need to Eject a USB Drive in Windows 11?
Quick removal changes how Windows handles cached writes. Learn when to eject USB storage, how to check its policy and what to do when a drive is still in use.
USB-C monitor not working? Check the port, cable and dock
Laptop charging but the USB-C monitor stays blank? Check video support, choose the right cable and isolate dock problems with a one-monitor Windows test.
Remap a Key in Windows 11 with PowerToys Keyboard Manager
Turn Caps Lock into an extra Ctrl key with PowerToys, test the result and undo it. Check the limits for sign-in screens, external keyboards and games.
Stop USB Drives Opening Apps with Windows 11 AutoPlay
Choose what happens when you connect a USB drive: open a folder, show a prompt or take no action. Set and test Windows 11 AutoPlay without disabling the drive.
Windows 11 Volume Mixer: route each app to the right speakers
A game goes to headphones while a video uses monitor speakers? Set output and volume for each app in Windows 11, and learn when to change the system default instead.