Default means a setting or state that a device or program uses when you haven't changed it yourself
When something is set to its default, it means that's how the manufacturer or software maker left it before you got it. It's the built-in choice. If you change a setting and then want to go back to how it was originally, you're resetting it to default. This matters because defaults are usually safe, middle-of-the-road choices that work for most people — but they might not be what you actually want.
The word "default" also has a second meaning in finance and contracts: failing to pay money you owe or breaking an agreement. But in tech, when someone says "reset to default" or "factory default," they're talking about returning something to its original state.
Key Takeaways
- A default is the original setting or state that came with your device or program before you changed anything.
- Resetting to factory defaults erases your changes and personal data, returning everything to how it was when new.
- Default settings are usually safe but not always the best choice for your specific needs — you can change them.
- When a program or device won't start, resetting to defaults is often one of the first troubleshooting steps to try.
Why devices and programs have defaults
Manufacturers can't know what every single person wants, so they pick settings that work reasonably well for most users. A new phone's brightness might be set to medium, a web browser might open to a home page, and a printer might be set to print in black and white. These aren't random — they're chosen to be safe, power-efficient, or least likely to cause problems.
Defaults also make it possible for someone to use a device right out of the box without having to configure anything first. If every setting required a choice before the device would work, most people would never get your free guide. The defaults let you begin using the device immediately, then adjust things later if you want something different.
How to find and change default settings
On most devices, default settings live in a Settings menu. On Windows computers, open Settings and look for the category you want to change — like "Display" for brightness or "Sound" for volume. On Mac, it's called System Preferences or System Settings. On phones and tablets, swipe down from the top or look for a gear icon.
Each program can also have its own defaults. In Microsoft Word, you can set a default font so every new document starts with that font instead of the standard one. In your web browser, you can set a default search engine so searches go to Google, Bing, or DuckDuckGo depending on what you choose. Look in the program's Settings or Preferences menu — usually under a gear icon or in the main menu bar.
Changing a default is usually safe. You're just telling the device or program "next time, do this instead." If you change your mind, you can change it back the same way.
What "factory reset" or "reset to defaults" actually does
A factory reset is different from changing one setting. It wipes out all your changes and personal data and returns the device to exactly how it was when it left the factory. This includes deleting files, photos, messages, passwords, and any programs you installed. It's a complete restart.
Factory resets are useful when a device is broken or behaving strangely and nothing else has fixed it. Wiping everything and starting fresh sometimes solves problems that are caused by corrupted files or conflicting settings. But you should only do this if you've backed up your important files first, because they will be gone.
On Windows, you can reset to defaults by going to Settings > System > Recovery and choosing "Reset this PC." On Mac, you restart while holding Command and R to enter Recovery Mode, then choose "Erase Mac" and reinstall the operating system. On phones, look in Settings for "Reset" or "Erase All Content and Settings." The exact steps vary by device, so search for your specific model if you need to do this.
Default programs and file types
Your device also has defaults for which program opens which type of file. When you double-click a photo, it opens in your default photo viewer. When you click a link, it opens in your default web browser. These defaults are set so you don't have to choose a program every single time.
You can change these defaults. On Windows, go to Settings > Apps > Default Apps and choose which program you want to use for each file type. On Mac, right-click a file, choose "Open With," select the program you want, and click "Change All" to make it the default for that file type. On phones, the first time you open a certain type of file, the device usually asks which program you want to use and whether to make it the default.
When defaults cause problems
Sometimes the default setting isn't right for you. Your phone's default brightness might be too dim for outdoor use. Your email program's default font might be too small to read comfortably. A program might be set to start automatically when you turn on your computer, slowing it down. In all these cases, the default is fine for some people but wrong for you.
The solution is to find that setting and change it. Don't assume something is broken just because it's not how you want it — it's probably just set to the default. Look in Settings or Preferences, find the option, and adjust it. If you're not sure where a setting is, search the Settings menu for a keyword like "brightness" or "startup" and it will usually take you there.
Frequently Asked Questions
If I change a setting, can I get back to the default?
Yes. You can change it back the same way you changed it the first time. Look for a "Reset" button in that settings menu, or just manually set it back to what it was. If you've made many changes and can't remember what the defaults were, you can do a factory reset, but that erases everything — so only do that if you've backed up your files first.
What's the difference between changing one setting and a factory reset?
Changing one setting only affects that one thing — like switching your default browser from Chrome to Firefox. A factory reset erases everything on the device and returns it to brand-new condition, including deleting your files, photos, and installed programs. Only do a factory reset if you've backed up your important data.
Will resetting to defaults fix my device if it's not working?
Sometimes. If the problem is caused by a setting you changed or a corrupted file, a factory reset might fix it. But if the device has a hardware problem — like a broken screen or failing battery — resetting won't help. Try other troubleshooting steps first, and only reset if nothing else works.
Can I set different defaults for different users on the same device?
Yes. On Windows and Mac, each user account can have its own settings and defaults. On shared phones or tablets, it depends on the device — some allow multiple user profiles, others don't. Check your device's Settings menu under "Users" or "Accounts" to see if this option is available.
What if I don't know what the original default was?
Search online for your device model and the setting name — for example, "iPhone 14 default brightness" or "Windows 11 default font." The manufacturer's website or user manual usually lists the original defaults. You can also look in the Settings menu itself; many programs show what the default is right next to the current setting.