Install hard drive
Start your xbox 360
Go to system setting Here you can notice 228GB
Go to check if any content again
Enter system settings Press “Memory”
If everything well ,there shows hard drive(228GB ) and memory unit (maybe no )
Press A
Check if there any content exist Check if there any content exist.Each line show 0KB means nothing saved . Press B and then press Y button
Go to format drive to ensure drive compatible with your xbox 360 absolutely.
Press format
Choose Yes
Enter your console’s serial number
Press Done
Format it
If goes well ,shows as following