So what happened is you connected it to a PC and quick formatted to "exFat". This is a Windows format, and cannot be used by OS X.
You need to find someone else with a Mac, and get a USB thumb drive.
Download the latest OS X and create a [http://www.macworld.com/article/3092900/macs/how-to-create-a-bootable-macos-sierra-installer-drive.html|Bootable USB Installer.]
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Once you do this, you need to start the installer, and use its Disk Utility to format the drive as [https://www.lifewire.com/format-mac-drive-using-disk-utility-os-x-el-capitan-later-2260751|Mac GUID partition map & Mac OS Extended (Journaled)].
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Once you do this, you need to start the installer, and use its Disk Utility to format the drive as [https://www.lifewire.com/format-mac-drive-using-disk-utility-os-x-el-capitan-later-2260751|Mac GUID partition map & Mac OS Extended (Journaled) partition].
Once its formatted, exit Disk Utility, and install the OSX.
I have to mention though, the symptoms you mentioned sound like your hard drive is failing, so you should get a new one and follow the same instructions.
So what happened is you connected it to a PC and quick formatted to "exFat". This is a Windows format, and cannot be used by OS X.
You need to find someone else with a Mac, and get a USB thumb drive.
Download the latest OS X and create a [http://www.macworld.com/article/3092900/macs/how-to-create-a-bootable-macos-sierra-installer-drive.html|Bootable USB Installer.]
-
Once you do this, you need to start the installer, and use its Disk Utility to format the drive as [https://www.lifewire.com/format-mac-drive-using-disk-utility-os-x-el-capitan-later-2260751|Mac].
+
Once you do this, you need to start the installer, and use its Disk Utility to format the drive as [https://www.lifewire.com/format-mac-drive-using-disk-utility-os-x-el-capitan-later-2260751|Mac GUID partition map & Mac OS Extended (Journaled)].
Once its formatted, exit Disk Utility, and install the OSX.
I have to mention though, the symptoms you mentioned sound like your hard drive is failing, so you should get a new one and follow the same instructions.
So what happened is you connected it to a PC and quick formatted to "exFat". This is a Windows format, and cannot be used by OS X.
You need to find someone else with a Mac, and get a USB thumb drive.
-
Download the latest OS X and create a[http://www.macworld.com/article/3092900/macs/how-to-create-a-bootable-macos-sierra-installer-drive.html|Bootable USB Installer.]
+
Download the latest OS X and create a [http://www.macworld.com/article/3092900/macs/how-to-create-a-bootable-macos-sierra-installer-drive.html|Bootable USB Installer.]
Once you do this, you need to start the installer, and use its Disk Utility to format the drive as [https://www.lifewire.com/format-mac-drive-using-disk-utility-os-x-el-capitan-later-2260751|Mac].
Once its formatted, exit Disk Utility, and install the OSX.
I have to mention though, the symptoms you mentioned sound like your hard drive is failing, so you should get a new one and follow the same instructions.
So what happened is you connected it to a PC and quick formatted to "exFat". This is a Windows format, and cannot be used by OS X.
You need to find someone else with a Mac, and get a USB thumb drive.
Download the latest OS X and create a[http://www.macworld.com/article/3092900/macs/how-to-create-a-bootable-macos-sierra-installer-drive.html|Bootable USB Installer.]
Once you do this, you need to start the installer, and use its Disk Utility to format the drive as [https://www.lifewire.com/format-mac-drive-using-disk-utility-os-x-el-capitan-later-2260751|Mac].
Once its formatted, exit Disk Utility, and install the OSX.
I have to mention though, the symptoms you mentioned sound like your hard drive is failing, so you should get a new one and follow the same instructions.