Troubleshooting iTunes for Mac As above, check your USB connection: check the socket for dust and residue, try a different USB port, try a different USB cable. Make sure you've tapped the Trust button on your iOS device when you connect it to your Mac. Restart your iOS device. Restart your Mac.
Make sure that "CDs, DVDs and iOS Devices" is checked. Press and hold the Option key, then choose System Information from the Apple menu . From the list on the left, select USB. If you see your iPhone, iPad, or iPod under USB Device Tree, get the latest macOS or install the latest updates.
If the device isn't recognized, remove the USB device and then re-insert it. Make sure that your device is set to the required mode before connecting it to the car stereo. Some USB devices need to be in a specific mode (such as a Mass Storage Class or Player mode, etc.) before you can use the USB device for playback.
Modern Android devices don't support USB Mass Storage, so your TV won't view your device as a true external drive. This assumes that your TV or monitor features a USB input capable of displaying files from a connected storage device. Simply connect your cable to your phone, then to the TV.
Often, the failure of your iPhone to connect to your computer simply results from a faulty cable. As such, you should make sure you're using the cable supplied with your iPhone, or at least an official Apple cable you purchased separately. Check the USB port. Try plugging the iPhone into a different USB port.
Answer: A: An iPhone will not pair via Bluetooth to a computer (Mac or Windows) except for personal hotspot and then only if your cellular plan supports it.
Try using a different cable. Try using a different USB port on your computer. Try unplugging and then replugging. Also check the charging port on the bottom of your iPhone or iPad.
If your gadget supports Bluetooth but still won't connect to your PC, there could be other reasons why: The devices involved are not close to each other. Your PC and your phone aren't in pairing mode. The laptop you're trying to connect to isn't discoverable by other Bluetooth devices.
Software update, power cycle, unpair Make sure your Bluetooth device is charged. Turn off your Bluetooth device and back on again, you can do the same with Bluetooth on your Mac (click the Bluetooth icon in the menu bar – top right of your Mac's screen)
Enable Bluetooth on your Android device Out of the ways to enable Bluetooth on Android, we think it's easiest to use the Quick Settings menu. Swipe down from the top of your screen, and you should see the Bluetooth icon among the Quick Settings displayed on your Android. If it's disabled, tap on it to enable it.
Update the MTP USB Drivers on Your Computer (Windows) If you're looking to use your phone as a media device on your computer, you need to enable the MTP mode on your phone. This requires that you have MTP drivers installed and updated on your computer. Connect your phone to your computer using a USB cable.
No Signal - Monitor shows No Signal Check the VGA or HDMI cable that is connected for damages. Swap with a known-good VGA or HMDI cable, if available. Try reconnecting the VGA or HDMI cable to the monitor and the computer. Swap the ends of the VGA or HDMI cable between the monitor and the computer.
Unlock your phone and go to Settings > System > Developer options. Right there, scroll down and look for Default USB configuration, then tap it. Now choose File Transfer or Your Android will be connected as a media device to the computer whenever it's unlocked.
Update the MTP USB Drivers on Your Computer (Windows) Press Windows key + X and click Device Manager. Double-click Portable Devices to expand it. Find your Android device, right-click it, and choose Update driver. Select Browse my computer for drivers.