Trouble installing EL Capitan. Drive uses the GUID partition scheme

Hello world

I am installing an SSD on a Mac book pro 2011. I had been using the separate (Samsung ssd 830 256 GB) ssd (OS not installed) drive on my computer windows yet. I have created an El Capitan installation on a USB drive, swapped the hard drive on SSDS. I open at startup disk utility, erased the drive samsung with format: extended OSX journaled.

Then returned to install El Capitan, but the Samsung SSD is grayed out and when I click it, it says "this disc is not use the GUID partition table scheme." Use disk utility to change the partition scheme. Select the drive, click the partition tab, select the volume configuration and then click options"

However when I return to the disk utility, then select Samsung SSD, the partition tab is grayed out and cannot be selected.

I don't know how to proceed. I would greatly appreciate any help

Thank you

.

You must select the drive icon above the volume icon, that is selected in the screenshot.

Tags: Mac OS & System Software

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