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Old 08-17-2008, 11:26 AM   #1 (permalink)
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Default HD 4870 not displaying on boot up


Alright, Ive had my 4870 for a month now and I have always had this problem. When I turn on the computer and monitor, I seem to have a 50/50 chance that it will give me a display on the monitor. If not, I have to turn off the computer by holding down the on/off button which im sure my computer has not been liking, then turn off the PSU for a few secs then back on. Afterwards, the probability seems to go up to like 80/20 that it will work. If not then I just have to try again until it works. Once I get a display, everything works fine.

I was hoping this problem would go away with the updated catalyst drivers, but it did not. I did have a 8800gts before my 4870, but I did a complete reformat on my system so there shouldn't be a trace of the nvidia drivers.

Any help?



I looked around and I see some people saying that a nvidia card could have messed up the EDID of the monitor. This is the first time I have even heard of EDID, but it could be my problem since I had a 8800gts before.
CPU: e6600 @ 3.2ghz
RAM: 2GB G.Skill HZ PC6400
Mobo: ASUS P5B Deluxe
GPU: Sapphire HD4870
Soundcard: Creative Labs X-Fi XtremeGamer Fatal1ty
HDDs: 250GB WD + 750GB WD + 2x1TB WD
Monitor: Samsung 226BW
PSU: OCZ GameXStream 600W
Case: Cooler Master Stacker
OS: XP Professional SP3
Mouse/keyboard: Logitech MX518/Saitek Eclipse II
Speakers: Logitech Z-2300
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