Question about Sony PlayStation Portable (PSP) Console
Its maybe cause you have no UMD and you"re trying to run an ISO file. to fix this, you can press select button and choose in the UMD mount mode: SONY NP6990. if this isnt working just put an iso in your UMD drive.
Posted on Sep 27, 2009
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Posted on Jan 02, 2017
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Nov 06, 2011 | Sony PlayStation Portable (PSP) Console
This error is appearing because there is a setting in the hidden configuration menu that is set to require a UMD game disc to be in the PSP when it attempts to load.
Turn off the PSP, then hold the R button down while turning on the system. You will be in the Recovery mode/Configuration menu. Choose configuration, then go to the 5th option, and press X once. This will switch it to "NO UMD". Then press X on "Back", then "Exit". Once you restart you should be able to load the ISOs, CSOs etc. without getting the 80020321 error.
Hope this helps you!
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