Author Topic: How to OS Update without display?  (Read 4133 times)

0 Members and 1 Guest are viewing this topic.

Offline sammargh

  • Jr. Member
  • **
  • Posts: 64
  • Karma: +7/-0
    • View Profile
How to OS Update without display?
« on: August 02, 2016, 12:48 AM »
I have a Sega Mark III and recently purchased a Master Everdrive with an adapter to use with it. I see on these forums that os_v8 does not work on the Mark III and I need to downgrade to v5. Problem is it seems this device is already on v8 and I cannot get a display on my tv to downgrade this thing. Help?

Offline sammargh

  • Jr. Member
  • **
  • Posts: 64
  • Karma: +7/-0
    • View Profile
Re: How to OS Update without display?
« Reply #1 on: August 02, 2016, 01:22 AM »
Well through loading only the os update as os-v5.sms and os-v5.mso and blindly bashing buttons I eventually got it to downgrade. Guess this can be considered resolved.

Offline carljr17

  • Newbie
  • *
  • Posts: 3
  • Karma: +0/-0
    • View Profile
Re: How to OS Update without display?
« Reply #2 on: June 02, 2017, 12:41 AM »
Could you elaborate on how the OS upgrade is supposed to go? I have a Japanese SMS and a black screen of death with a Master Everdrive. I'm trying to downgrade the OS, but renaming the previous version to both SMS and MSO and then just blindly mashing buttons is not doing it for me. :-(