Assuming you have a working JTAG or RGH Xbox 360 with Dashlaunch and Aurora (or Freestyle Dash) installed, follow this step-by-step guide.
Common RGH trainer plugins include:
Cause: Corrupt GOD container or slow HDD.
Fix: Re-extract the XEX format instead of GOD. Extracted XEX files are less prone to sector corruption on 5400 RPM laptop drives. metro last light complete edition jtag rgh updated
Standard retail discs run fine on a modified console, but you are missing out. The keyword "updated" is critical here. Assuming you have a working JTAG or RGH
RGH consoles (especially older Corona or Trinity boards) can suffer from slow NAND reading. The "Updated" release often includes a pre-patched xex that adjusts the hard drive streaming buffer, reducing stutter in the highly detailed outdoor environments (like the "Ashes" level). Cause: Corrupt GOD container or slow HDD
How do you know you have the correct updated JTAG version?