Circle with a line through it
If you have to run another OS on your Mac, try using a virtual machine or booting from a USB device. Restart your Mac periodically. According to a couple of user reports, this issue popped up when a Mac that hasn't been restarted for a while is rebooted. I purchased Caldigit TS3 Plus today and try to use it's network function on my 2018 mbp. Ethernet slot always showing cable unplugged. I confirm my network is normal (I connected this cable to other computer and it works). WinRAR Unplugged is a tool for PC users that helps compress files down to manageable sizes. It's pretty easy to fill up your computer with stuff nowadays. Even if you have a huge hard drive, there's still the risk of running out of space in short order. Good thing there are file compression programs like WinRAR Unplugged to help you make some room. The SMC in your Mac is the System Management Controller, a low-level component of your Mac hardware that controls and manages system hardware. Resetting the SMC is another tool in your toolbox of white screen solutions. The reset process is different for different Mac models, so be sure to read the section below pertaining to your Mac. If your Mac is really old - as in so old it's running Mac OS X Snow Leopard or older - it will not have a Recovery partition, the only way to reinstall the OS is to use the discs that shipped with.
Learn what to do if your Mac starts up to a circle with a line through it (prohibitory symbol).
Question mark
Learn what to do if your Mac starts up to a question mark.
Options with a gear icon
Learn what to do if your Mac starts up to Options with a gear icon.
Unplugged Mac Os Update
Blank (empty) screen
Learn what to do if your Mac starts up to a blank screen, such as an empty gray, black, or blue screen.
Apple logo
Learn what to do if your Mac starts up to an Apple logo or progress bar.
Globe with alert symbol
A globe with an exclamation point means that your Mac tried to start up from macOS Recovery over the Internet, but couldn't. Learn what to do if your Mac can't start up from macOS Recovery.
Mac Os Catalina
Lock icon
If your Mac is using a firmware password, the lock icon appears when you try to start up from another disk or volume, such as an external drive or macOS Recovery. Enter the firmware password to continue.
System lock PIN code
Your Mac asks for a PIN code when it has been remotely locked using Find My. Enter the four-digit or six-digit passcode to continue.
Login window
At the login window, enter your user account password to log in to your Mac. If FileVault is turned on, this also unlocks your disk. You might see a default desktop picture in the background, which might change to your chosen desktop picture when you select your account.
Mac Os Versions
Thunderbolt, USB, or FireWire symbol
Dramatic pong mac os. A large Thunderbolt , USB , or FireWire symbol against a dark background means that your Mac is in target disk mode.
Learn more
Unplugged Maf Sensor With No Change
- Learn what to do if your Mac displays a message that it restarted because of a problem.
- When starting up from Windows using Boot Camp, your Mac doesn't show an Apple logo or the other macOS screens in this article.
