PS3 Not Reading the Disk on CFW Rebug 4.84.2

hello guys

i have pb never happen before - when i got problem no application found before and i fix it using updeate rebug 4.84.2 D-REX NO-BD

https://www.psx-place.com/threads/4-84-2-rebug-d-rex-no-bd-xml-lv1-by-joonie.34587/

i was playing using CD DRIVE before update using the topic above but no the DISK never working i try eveything i change the drive : still not working
clean lazer eye : still not working

i hear the disk working well in drive but he not READING IN PS3...

PS3 Not Reading the Disk on CFW Rebug 4.84.2