Question XFX RX 470 8 GB GOING BLACK/NO SIGNAL

[SAMPATH025]

hi I have a xfx rx 470 8gb card, sold on aliexpress, works fine for about 2yrs, but recently it is not working, when PC is working it goes black screen but PC continues to work as normal, music is working or films are playing in the background, then heard the device ejection sound, if I turn off the PC and turn it again PC comes to start screen and suddenly goes black screen and no signal, sometimes graphic card is not detecting by PC, not any error or beep code by the motherboard, but no visual and PC continues to work fans spinning.

so far I have tried cleaning the card, and tried another PCI slot, tried PCI riser card, and not success.

but yesterday I again cleaned it and apply new thermal pads and paste, and put it in and flash bios, after that it work for one day without any issue, I play COD WZ in 50-75fps. but today morning again it getting same issue.

so guys I need your help on this.

MY SPEC IS,

MB - ASUS PRIME B450 PLUS
CPU - AMD RYZEN 3 1200 (OVER-CLOCKED)
GRAPHIC CARD - XFX RX 470 8GB
RAM - KIMTIGO Z3 DDR4 3600 32GB
SSD - KIMTIGO NVME 256GB + EAGET 140GB (GAME DRIVE)
HDD - TOSHIBA 2TB 7200RPM + TOSHIBA 5400 1TB (FOR DATA)
COOLER - DARK FLASH TR-240 SYMPHONY LIQUID COOLER
PSU - GAMEMAX GM 600 SEMI MODULAR 80+ BRONZE PSU 600W

 

[DSzymborski]

The best place to start is your full specs, including exact PSU.

 

[SAMPATH025]

The best place to start is your full specs, including exact PSU.

THANKS BRO SPEC ADDED

 

[DSzymborski]

And exact power supply?

 

[SAMPATH025]

And exact power supply?

MB - ASUS PRIME B450 PLUS
CPU - AMD RYZEN 3 1200 (OVER-CLOCKED)
GRAPHIC CARD - XFX RX 470 8GB
RAM - KIMTIGO Z3 DDR4 3600 32GB
SSD - KIMTIGO NVME 256GB + EAGET 140GB (GAME DRIVE)
HDD - TOSHIBA 2TB 7200RPM + TOSHIBA 5400 1TB (FOR DATA)
COOLER - DARK FLASH TR-240 SYMPHONY LIQUID COOLER
PSU - GAMEMAX GM 600 SEMI MODULAR 80+ BRONZE PSU 600W