iPhone users might be in despair when their iPhone home button touch ID gets into trouble or even doesn't work after replaced home button. For iPhone 6 and later versions, touch ID is bonded with CPU, and the user who has replaced his home button will then lose its touch ID fingerprint function.
How to disable touch ID for the Cash app, if you touch ID doesn't work:
- Go to settings > touch ID and passcode.
- Delete all the registered fingerprints.
- Now, the Cash app will let you use your Cash pin code that you setup!
Apple's iPhone 12 comes with several upgrades like 5G support, a refreshed design, and a camera that's better at taking photos in the dark. But there are several useful features found on Android phones that the iPhone still lacks. These include a fingerprint sensor and an always-on display.
Back in the “Privacy Screen” settings menu, tap on the blue “Open System Settings” link. You will be taken to Drive's section of your iPhone's or iPad's Settings menu. Here, you can toggle off permission to use Face ID or Touch ID.
Tap Settings > Security, then tap to turn on Biometric Unlock. Place your finger on the fingerprint sensor, or let your device scan your face or eyes.
Yes, if they replace the display, the Touch ID button has to be replaced as well, they must have a way to reprogram it. Apple replace the entire display for Touch ID related issues. They use a "calibration" machine that pairs the new Touch ID to the logic board processor.
Go to Settings > Touch ID & Passcode and make sure that iPhone Unlock or iTunes & App Store is on, and that you've enrolled one or more fingerprints. Try enrolling a different finger.
Apple iPhone - Set Touch ID Preferences
- From the Home screen, navigate: Settings. > Touch ID & Passcode.
- Enter your passcode.
- Tap the iPhone Unlock switch to turn fingerprint on or off .
- Tap the Apple Pay switch to turn fingerprint on or off for purchases.
- Tap the iTunes & App Store switch to turn fingerprint on or off for App and iTunes Store purchases.
Go to the Apple menu and select System Preferences. Select the Touch ID preference pane. Check or uncheck the options you prefer.
The Touch Bar at the top of the Magic Keyboard displays a set of tools that changes based on what you're doing. Touch ID (the power button) is located on the right side of the Touch Bar.
The new MacBook Air has a few other new noteworthy features. Touch ID, which lets you log in with your fingerprint, is handier and more secure than typing in a password. It also has three microphones compared to the older model's two.
Go to Settings> iTunes and App Store. Sign out of your account. Sign back in then go back to Settings > General > Passcode and Touch ID and you should be able to turn it back on.
On your Mac, choose Apple menu > Shut Down. If you don't want app windows that are open to reopen when your Mac restarts, deselect “Reopen windows when logging back in”. A Mac is completely shut down when the screen is black.
How to Shut Down Your Mac
- Choose the Apple key→Shut Down. A dialog box appears, asking whether you're sure you want to shut down.
- Press Control+Eject (or press the power button). When a dialog box appears, click the Shut Down button.
- Press and hold the power button to force your Mac to shut down.
Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. Release the keys after about 20 seconds. This clears user settings from memory and restores certain security features that might have been altered. Learn more about resetting NVRAM or PRAM.
For all models: Fingers that are too clean or too dry can be difficult for the reader to recognize. Rubbing your finger on your forehead before placing it on the reader sometimes helps. If this does not help, try registering your fingerprint again.
Check that your device has a fingerprint sensor or reader. Some machines may have but they're probably too old and there's no available Windows 10 driver for it so the service won't work. Check that your device is compatible with Windows Hello service. If it has any scratches on the sensor, get the machine repaired.
How to reset the SMC on Mac notebooks:
- Choose Apple menu > Shut Down and wait for your Mac to shut down.
- Press Shift-Control-Option on the left side of the built-in keyboard, then press the power button at the same time.
- Release all keys.
- Press the power button again to turn on your Mac.
The first way to manually refresh Touch Bar is via the command line.
- Step 1: First, I start the Terminal app. I click "Go" at the top left of the task bar. I go to Programs> Utilities.
- Step 2: I type the pkill "Touch Bar agent" command.
- Step 3: I simply press the return key to kill and refresh Touch Bar.
After you locate your Mac, you can unlock it with your passcode on iCloud.com. Make sure to use the passcode that you created when you locked it with Find My, not your device passcode. After you follow the steps to verify your identity, you'll see the passcode that you need to unlock your Mac.
