![]() ![]() If you try to use a manual updater that's not designed for your Mac, or if it's not needed, the installer alerts you and the software isn't installed. If the firmware version you see in System Information is newer than what's listed for your Mac, you don't need to apply the updates listed for that model. Select the Hardware section to view the Model Identifier, Boot ROM version, and SMC version numbers.To exit this mode, hold the power button down to turn your Mac off, then press the power button again to turn your Mac back on. This allows you to connect a Thunderbolt cable to another Mac and view all of your Macs files. Apple Menu > About this Mac > Overview > System report The lightning bolt indicates that your Mac is currently in target disk mode. It also needs to be certified for it to be detected by the OS. Use these steps to check your Mac's EFI Boot ROM and SMC firmware versions. 2010 mac pro had a xeon board but doesnt support thunderbolt. If you don't see a firmware version listed in this article, it means that either a firmware update is only available as an automatic update, or no firmware update is needed. If your Mac needs a firmware update and it isn't installed automatically, check to see if a manual updater is listed below. Some firmware updates are also available as downloads you can install manually. Most firmware updates are automatically installed when you update or upgrade OS X. ![]()
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