4870x2 gets 3 red lights Tags: Graphics Cards Light Graphics Last response: December 15, 2010 11:23 AM in Graphics & Displays Share Anonymous a b U Graphics card December 14, 2010 4:20:00 AM Ok guys I really need someone to help me out here! Let me try to describe to you what is hapening... One day I press the On-Button and my pc wont boot up. - I can hear/see that all fans including GPU fan are working. - On monitor I see "No signal" -4870x2 has 3 red lights on it. Now if my card would be dead, then why does it boot up like 1 out of god knows howmany times... What I did: - Changed the cables for the spare once - made sure everything is connected - updated BIOS - put my card into another PCI slot - removed mobo battery When pc is on it can work for days but then when I turn it off and try to turn it back on it gets 3 red light on the graphics card and "no signal" on monitor. Also when I just do a restart it boots up just fine. It's working right now after i was trying for like 5 hours to turn it on. I have looked around google for hours, people either have to weak power supply or they have 3 red lights right after plugging the card in for the first time. maybe the heat sensor inside the card has broke or something? Please HELP! More about : 4870x2 red lights Maziar a c 169 U Graphics card December 14, 2010 7:12:40 AM It could be caused by a faulty PSU,what's your PSU model ? wa1 a c 189 U Graphics card December 14, 2010 9:37:06 AM ^+1 Yes, it's likely PSU issue. What is your PSU? brand? model? how old? Related resources 4870X2 gets 2 red lights - Forum 4870x2, 3 red lights, no signal to monitor... - Forum Crysis 2 - 4870x2 - 2 red lights - Forum 4870x2 red lights - Forum Ati saphire 4870 3 red lights - Forum Can't find your answer ? Ask ! Get the answer Anonymous a b U Graphics card December 15, 2010 6:32:46 AM I got "Be Quiet Dark Power Pro 850w" It's about 2 years old now. I did try differend sockets btw, same problem. The pc is been running for 2 days now, I'm to afraid to turn it off thinking it wont start up again. wa1 a c 189 U Graphics card December 15, 2010 6:54:15 AM http://www.xsreviews.co.uk/reviews/power-supply-units/b... That's your PSU, right? I see that PSU has 4x PCIE cables, so a single HD4870 needs 2x 6pin. try using 2 others pcie connector... Anonymous a b U Graphics card December 15, 2010 11:23:08 AM Well it was working for 2 years just fine now about 2 weeks ago this *** started. Can't find your answer ? Ask ! Publish Related resources PC wont boot, 3 Red Lights Forum Red light problem and beeping with 4870x2? Forum I just replaced my chip for the white dots and now the tv won't turn on I gets solid red status light any help would be great Forum XBox 360 3 Red Lights Forum Ati 4870 x2 3 red lights Forum I m getting red & orange lights on lan socket Forum Amd ati radeon 4870 3 red lights stay on wont boot Forum 4870 3 red lights, no display Forum New ATI HD 4870 - 3 red lights flash once and no boot (PC cuts out) Forum XFX ATI HD4890 No screen on boot and those familiar 3 red lights Forum 4870 X2 and the 3 red lights! Forum 3 red lights of doom on eah4870 dark knight 1gb Forum Greyscale printout on ink printer gets red tone i light area Forum SolvedRed led lights Forum SolvedWhat is the best Gaming Mice " RED Lights " Forum More resources Read discussions in other Graphics & Displays categories Ati GPUs Graphics Cards Gtx HD Monitors SLI Crossfire Tuner Cards Radeon Video Diamond Multimedia Matrox Nvidia Palit PowerColor Asus Games !