Press the power button and hold down Command-Options-P-R.

When this happens, the first thing you should do is reset your Mac’s NVRAM. If you see the question mark for a few seconds What to do if there is no startup disk on your Mac Here are a couple of things you can do to fix it.

Such an error happens when your Mac cannot find a startup disk. But it can also stay there, not letting your Mac boot. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.Īre you trying to boot up your Mac and notice the dreaded question mark inside a folder icon on the screen? Sometimes it appears for only a few seconds, and then your Mac boots normally. select the duplicate files and move them to the bin.So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.

Sort the files by name and search for files with similar names.Click on the “+” sign on the top right corner and enter the criteria.Find and open Smart Folders under file.You can remove duplicate music and videos using the following steps. But it is relatively easy to remove duplicate files from your system. This generally happens due to a software bug that creates two copies of the same file when installing your application. There is a chance that duplicate files are taking up space on your system.

To back up your Time Machine snapshots, follow the given steps. Upon backup, your MacBook Pro saves numerous Time Machine snapshots to your startup disk. Just as we use the One Drive on Windows to back up our important data, Mac uses the Time Machine to backup. The majority of the time, the only way to clean your system is to backup your system files.

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