Fix the settings that turn your screen off
Sometimes the real answer is a system setting, not a tab. These step-by-step fixes, grouped by system, show where the timeout lives, what to do when an option is greyed out, and when AwakeTab is the faster answer.
Opens the tool and keeps the screen awake until you stop. Keep that tab visible and watch its pill: a hidden tab releases the wake lock, and Safari needs a tap before it grants one.
Open the full tooliPhone and Android
2 guidesTimeouts the phone sets, not the page.
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iPhone Auto-Lock greyed out or stuck at 30 seconds
Auto-Lock is greyed out and stuck at 30 seconds when Low Power Mode is on or a work or school profile sets it. How to check each one, step by step.
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Android screen timeout for one app: keep it short, keep one tab on
Stock Android has one screen timeout for every app. How to keep a short timeout and still keep the screen on for one Chrome tab, step by step.
Windows
2 guidesPower settings, the lock screen and work policies.
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Windows 11 screen turns off after 1 minute: how to fix it
Four usual causes: the lock screen's 60-second display timeout, a 1-minute power setting, a screen saver or a work policy. How to check each, step by step.
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Lock screen versus display sleep
Display sleep, the sign-in lock, screen savers and Modern Standby are separate settings. A wake lock stops display sleep, not a sign-in policy.
Mac
1 guideWhat the lid and the power settings decide.
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Keep a Mac awake with the lid closed: what works
No web page or extension can keep a closed Mac awake. Clamshell mode with power and an external display does. The other options and their heat risk.
Any computer
2 guidesBrowser settings and second screens.
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Chrome Energy Saver and wake locks: why the screen still goes dark
Chrome Energy Saver slows background tabs but does not block a visible tab's wake lock. If the screen still goes dark, here is how to find the real cause.
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Second monitor keeps turning off: how to fix it
If only your second monitor turns off, check the cable, DisplayPort and the monitor's own auto-off. If both follow the OS timeout, a wake lock helps.