How do i fixed the off cores on one of my dies?



3    

Temperature sensor: 39.5 C
Die ID    Cores ON    Cores OFF    %
0   27   21    56.2
1   17   31    35.4
2   0   48    0
3   48   0    100
DC/DC ID    ON/OFF    Status    Input Voltage    Output Voltage    Output Current
0    ON    OK    11.9 V    0.748 V    28 A (20.9 W)
1    No DC/DC detected
2    ON    OK    11.9 V    0.746 V    22.2 A (16.6 W)
3    No DC/DC detected
4    ON    OK    12 V    0.724 V    13.4 A (9.7 W)
5    No DC/DC detected
6    No DC/DC detected
7    ON    OK    11.9 V    0.745 V    40.4 A (30.1 W)


maybe if i change my ribbon cable?