Hello, i get the above problem when i try and boot. i've had the card for 3 years without any problems. when i remove the card, the machine boots correctly (but obviously with no picture) am i safe to assume its the card at fault? thanks in advance for a response. Alex
get a soldering iron, remove the red lights and replace with your choice of colour.
but seriously, if its booting without the card, its pretty safe to say you need a new one. something equivelant to a 4870 would be a 6770/6790, but you would probably aim for a bit of an upgrade like a 6850/6870.