How To Repair Ps 4 External Hard Drive. Click on the "Options" button and ensure that the partition map scheme is set to "GUID Partition Map". Here's how to reformat the external drive: Connect the External drive to PC or Mac.
It's safe to remove this and it will not affect the warranty. Select Devices: Scroll down and select the "Devices" option. Connect the external hard drive with your PC.
Push the glossy side of the top cover with your thumbs until it pops to the side.
To format the device: Go to Settings > Devices > USB Storage Devices.
In the popped window, select MBR or GPT, then click "OK". This is essentially scanning the drive and defragmenting it. Connect the external hard drive with your PC.