Posted: Fri Jul 30, 2010 11:57 pm Post subject: Need help with Xbox1 error 21
Hi all!
i'm having trouble with my modded xbox1, i had Avalaunch installed before and now i have this Service Required screen with the number 21 on the top left corner. can someone help me?
wes213 Administrator
Joined: Feb 04, 2007 Posts: 10520 Location: Harrisonburg V.A.
Posted: Sat Jul 31, 2010 1:21 am Post subject:
Just pop in an xbox game that's not burnt and with the net cable unplugged launch xbox live and it should update your dash and fix your error 21.
cam2030 Xbox-HQ Newbie
Joined: Jul 30, 2010 Posts: 3
Posted: Mon Aug 02, 2010 12:30 am Post subject:
so that should work for Avalaunch in xbox1? i'll give it try though
cam2030 Xbox-HQ Newbie
Joined: Jul 30, 2010 Posts: 3
Posted: Mon Aug 02, 2010 12:42 am Post subject:
no it's not working
wes213 Administrator
Joined: Feb 04, 2007 Posts: 10520 Location: Harrisonburg V.A.
Posted: Mon Aug 02, 2010 4:43 am Post subject:
Error 21 is a dash launch fail and you might be able to put the hdd in a PC and read it with 360 explorer to see if you can spot the missing dash files.
SPPV V.I.P. Lifetime
Joined: Sep 13, 2010 Posts: 2644 Location: Kamloops BC Canada
Posted: Tue Sep 14, 2010 3:30 am Post subject:
You should get a slayer disc so you can compare in xplore 360 to see what is missing and copy any needed files over. But I think you may be SOL I hotswapped a drive using 360 and right after I had backed up and erased the c drive my pc crashed and now 360 says no fatx drive detected and my box says error 21
Try this, like Wes said, put in any xbox game disk (original) turn off xbox and turn back on with game in drive at boot. If it doesn't boot the only thing I can think of to fix involves a chipped (hard modded) xbox and ur EEPROM backup. If you don't have either, they sell EEPROM readers on ebay or you can make your own ( google is great). Really hope it works for you as I have been there and it sucks to be where your at!
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