
Some people even reported that the external hard drive is showing up in devices but not in my computer.
Whether you're plugging in a new hard drive or an old one to your computer, it is possible that you can't see it.
How to Fix: External Hard Disk Detected But Not Opening. Method 10: Repair the System Built-in Drivers. Method 9: Install the Latest Chipset Drivers for Motherboard. Method 8: Disable USB Selective Suspend Setting. Method 7: Install the Latest Windows Updates. Bonus Tip: How to Recover Files from External Hard Drive Not Detected. Method 2: Check & Fix the Drive in Disk Management. Method 1: Turn to Different USB Port or Computer. Please pardon me if I'm not even in the ballpark here, like I said, I don't use a Mac very much (I prefer Windows) 😛. After you have done that, just click on "start scan", and it will scan the drive that you selected. If you click on "Add file/folder", you can the select the specific drive you want to scan. If you click the radio dial that is labeled "custom", you can choose only specific areas or drives to scan. If you click on "custom scan", it will ask you to specify the details/type of scan you want, and where you want to scan. After you do that, the interface should change to show scan statistics and a "scan my computer" and "custom scan" button on the left hand side. Please open your WSA interface, and click on the gear on the "PC Security" tab on the right hand side. If I'm way off here when asking you where to go in the interface, please forgive me :robottongue. Regarding trying to scan the external drive, my main OS is Windows, so I don't have much experience using WSA on a Mac, but, if the interface is the same, hopefully I will be able to help 😃. If the file system is FAT, FAT16 or FAT32, a Mac is fully capable of using it and the Windows system will also be capable of using it afterwards. The only exception is if the filesystem is NTFS. Even if a drive is formatted on a Windows system, it can indeed still be read and used by a Mac. Hi AZFD and welcome to the Webroot community 😃!
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