What is F12 key used for?

The F12 key is a function key found at the top of almost all computer keyboards. The key is most often used to open Firebug, Chrome Developer Tools, or other browsers debug tool.
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What does the F12 key do?

F12. They F12 key has a wide range of functions on Microsoft Word. On its own, the 'Save As' window will open, but Ctrl + F12 will open a document from File Explorer. Shift + F12 acts in the same way as Ctrl + S to save the document, while Ctrl + Shift + F12 will print a document with the default settings.
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How do I use F12 on my HP laptop?

On most HP and Compaq notebook computers, it is necessary to press and hold the function key (fn) while pressing one of the f1 through f12 keys to activate the default functions; such as, increasing or decreasing the brightness of the display, the sound volume, sleep, keyboard lock, etc.
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How do I use the F12 key on my laptop?

How to use the F12 key. Open the program that uses the key and press F12 . If the F12 key also has an icon on the key, it indicates the key has a secondary function. To use the secondary function, press and hold down the Fn key, and while continuing to hold the key, press F12 .
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How do I turn on WiFi on F12?

Enable WiFi with a function key

Another way to enable WiFi is by pressing the "Fn" key and one of the function keys (F1-F12) at the same time to toggle wireless on and off. The specific key to use will vary by computer. Look for a small wireless icon as shown in the below example image of an F12 key.
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What are the use of Function Keys F1 to F12 on the Keyboard ? | function keys windows 10 settings



Why F12 is not working in Chrome?

If your F12 press alone doesn't open the devtools on browser then, press and hold Fn and then press Esc. It's done !! Now you will be able to open devtool just by pressing F12. This one was the fix I needed.
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What is the F12 console called?

Web developer tools support

Firefox – F12 opens the Web Console / Browser Console (since Firefox 4). The Web Console applies to a single content tab; the Browser Console applies to the whole browser. Many addons also exist, including Firebug.
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Does Alt F12 anything?

Alt F12 Customize local layout. list. F4 Display Matchcode list. F6 Insert in personal list.
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What are F1 to F12 keys on keyboard?

The function keys or F keys are lined across the top of the keyboard and labeled F1 through F12. These keys act as shortcuts, performing certain functions, like saving files, printing data, or refreshing a page. For example, the F1 key is often used as the default help key in many programs.
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How do I use F12 on my Lenovo laptop?

To define or change the action for the F12 key, do the following:
  1. Open the Lenovo Settings program.
  2. Click the input icon.
  3. Locate the KEYBOARD: USER-DEFINED KEY section and follow the instructions on the screen to complete the setting.
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What does F8 do on a computer?

F8. Function key used to enter the Windows startup menu, commonly used to access Windows Safe Mode. Used by some computers to access the Windows recovery system, but may require a Windows installation CD. Displays a thumbnail image for all workspaces in macOS.
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What is F12 in Excel?

F12 Key. "F12" key opens the "Save As" dialog box to save your current open excel workbook. You can also use "Alt + F2" for same output.
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What does F11 do on a computer?

The F11 key allows you to activate full-screen mode in your browser. By pressing it again, you will return to the standard view with the menu bar. In Microsoft Excel, you can use the Shift key with F11 to quickly create a new spreadsheet in a new tab.
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How do I debug my browser code?

If you want to debug it, you should press F12 on Chrome to open the developer mode. You can see that the JS code of the current page is under the Source menu, you can set a breakpoint directly at the beginning of the script. Then you can click on the UI button or menu to start debugging(both js and backend activity ).
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How do I debug Chrome?

Press the F12 function key in the Chrome browser to launch the JavaScript debugger and then click "Scripts". Choose the JavaScript file on top and place the breakpoint to the debugger for the JavaScript code.
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How do I turn off F12?

To Disable F12 Keyboard Shortcut for Developer Tools in Microsoft Edge
  1. Open Microsoft Edge.
  2. Click on the Settings button ( Alt + F ) and select Settings from the menu.
  3. Scroll down to the Developer Tools section.
  4. Enable or disable the option Open the DevTools when the F12 key is pressed for what you want.
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How do I enable developer tools in F12?

To access IE Developer Tools, you launch Internet Explorer and press F12 on your keyboard or select “F12 Developer Tools” on the “Tools” menu. This opens the developer tools inside the browser tab.
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How do I open developer tools in browser?

To open the developer console in Google Chrome, open the Chrome Menu in the upper-right-hand corner of the browser window and select More Tools > Developer Tools. You can also use Option + ⌘ + J (on macOS), or Shift + CTRL + J (on Windows/Linux).
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Why is my F12 light on?

F12 key with an amber light on HP laptops are one of such OneTouch key for Wi-Fi. To enable Wi-Fi you just have to press this key and it turns on with a white light instead of amber (red) when wi-fi is turned off. Also when you turn on Wi-Fi even from network settings this key turns on with white light.
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Why my laptop is not connecting to Wi-Fi?

Restart your modem and wireless router. This helps create a new connection to your internet service provider (ISP). When you do this, everyone that is connected to your Wi-Fi network will be temporarily disconnected. The steps you take to restart your modem and router can vary, but here are the general steps.
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How do I enable Wi-Fi on my PC?

Turn it off to enable the wireless network card if it's turned on. The Wi-Fi adapter can also be enabled in the Control Panel. Click the Network and Sharing Center option, then click the Change adapter settings link in the left navigation pane. Right-click the Wi-Fi adapter and select Enable.
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What is the use of F1 to F12 keys PDF?

Function keys are the row of keys along the top of the keyboard labeled F1 to F12. Using them gives quick shortcuts to various functions within Chreos. <F1>. The help for the appropriate screen that is open will be displayed.
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What is F2 key used for?

The F2 key is a function key found at the top of almost all computer keyboards. The key is most often used in Microsoft Windows to rename a highlighted file or icon.
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What are the F1 through F12 keys on HP laptop?

Keyboard function keys (f1 through f12) often have a printed icon that indicates a secondary action, such as muting sound or adjusting display brightness. The secondary functionality is sometimes called action keys mode or hotkeys.
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