dl AFT (my sig)
run natit remover
download
http://groths.se/atiflashingtool/sapphire_4870_new.zip
install .app
try boot with only 4870
if that does not work,
1. test card in windows if broken
2. dump rom with GPU-Z in windows and give me
run natit remover
download
http://groths.se/atiflashingtool/sapphire_4870_new.zip
install .app
try boot with only 4870
if that does not work,
1. test card in windows if broken
2. dump rom with GPU-Z in windows and give me