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    Sapphire Toxic HD4850 Crash

    I have resolved my problem. I needed to underclock to stock (not Toxic) speeds using Rivatuner. Underclocking with any other method did not work. I apply the profile on startup, and I have had ZERO crashes since. Looks like there was a problem with the TOXIC cards and they can't run at...
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    Sapphire Toxic HD4850 Crash

    No LEDs at all during or after crash. When I reboot the system, I also do not see any LED lights come on. I am in a dark room with a case window and minimal case lighting. I can see the back (non fan) side of the card easily. I do not see where there would be LEDs to light up.
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    Sapphire Toxic HD4850 Crash

    Thanks for all the help getting the post sorted out! I have not noticed it. I will take a look at it during crashing -- right now there are no LED lights at all on the card. Just have to turn the computer around. I will crash it right now and be back in ~15. Using 8.10 RC2 now, same deal.
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    Sapphire Toxic HD4850 Crash

    I have a Sapphire Toxic HD 4850 512mb from Newegg. I replaced an Nvidia 7800GT with it. I experience random crashes in a wide variety of games; the screen blanks out, monitor goes to no signal mode, computer freezes and the last half second of audio loops. Only way out of this is a hard reboot...