If the light is blinking, it indicates a problem with the power supply. Make sure the USB 2. If it is, try replacing the cable to see if that helps.
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Also, modern Maxtor external drives are USB 2. Check that you have plugged the drive into a USB 2. Experiment with different USB slots, and while troubleshooting make sure there are no other USB devices connected to the computer. If you PC or Mac is having difficulty seeing the drive, unplug the drive from the computer and unplug the power cord.
Mac Or MacBook Doesn’t Recognize External Drives, Troubleshooting Tips
Leave it off for 60 seconds. Next, reboot your computer. When your computer has fully booted, plug the power cord back into the drive. When the drive has powered on, plug it back into the computer. The drive should be recognized within 30 seconds. Unfortunately, these can get messed up without you realising it, which can cause serious problems.
You can fix these two ways. Either manually, as we mention in this article , or using CleanMyMac X, which is far easier.
How to fix an external disk drive that won't show up on a Mac
The program will scan and fix any it finds that are broken or faulty. Your Mac should be running as good as new. To prevent an external hard drive not showing up on Mac turning into an all-out disaster, always backup files on your system hard drive and in the cloud. Anytime you use an external drive, unmount the disk properly and store it safely. And finally, use CleanMyMac to uninstall apps and run regular Maintenance on your system to prevent applications conflicting with hard drive performance.
External hard drive not showing up on Mac? Here's what to do
Get Disk Drill and worry no more about losing your data on Mac. Download Free. How To. Blog How To News. Hit Return or Enter to search.
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Darina Stavniychuk. The Disk Management utility helps you to discover the type of partition. Troubleshooting — Check the Power cable for Backup Plus slim Mac 1TB portable Drive not detected Issue: There are two criteria that you need to check before you proceed with the below steps. You are installing the Backup Plus slim mac 1TB external drive for the first time and the computer does not detect it.
You have already installed the external drive and it is not working when you currently plug it in. Remove if your computer is connected to any USB Slims, extension cords, etc. Ensure that the direct power outlet is working properly and the Power Cable is connected to it firmly. When you switch it on, the light on the external hard drive and the power adapter are lit up normally.
If the medium of power supply to the Backup Plus slim mac 1TB hard drive is through USB cable, make sure that the cable is connected to the drive and your computer properly. Confirm if the external hard drive and your computer are turned on. Try removing the drive from your computer, if possible.
Remove the plug of the power supply from the external hard drive.
Turn off your computer. Disconnect the power cord from the computer and wait for 60 seconds. Re-plug the power cord to the computer. Switch on your computer. Provide power supply to the external hard drive. In Windows 7 the AutoPlay window will not appear, whereas it appears within 30 seconds in Vista whenever the drive is plugged in. On the lower right corner of your computer screen, a small notification box appears displaying that your drive is ready to use. Either you can use the open the folders using AutoPlay option and directly access the drive E, For G etc. To move the files on your computer drag-and-drop, or copy-and-paste the data you wish to obtain from the drive to fix Seagate Backup Plus slim Mac 1TB portable Drive not detected issue.
If the above steps work well, then the drive is functioning normally. The procedure is the same for newly installable external drive and previously working one. The error message found on your computer is drive not found or drive or detected.