MP 1,1-5,1 Opencore legacy patcher help needed

[vishwanathdevasenapathi]

hellow everyone, i recently installed oclp on my old 5,1MP, the problem is when i boot holding alt key system wont boot at all
and when i restart my MP system boots to circle with cross symbol and when i cold boot system boots normal what is the problem i dont know, by the way i am using radeon RX580 4gb graphics

please help me with this

thankyou

 

[h9826790]

when i boot holding alt key system wont boot at all

This is completely normal for non flashed graphic card.

when i restart my MP system boots to circle with cross symbol and when i cold boot system boots normal

the boot drive is HDD or SSD?