XFX Radeon HD 5850 Problem

kuzman

October 27, 2010 1:44:09 AM

I have a Radeon HD 5850 card with Asus Cross Hair IV motherboard with AMD 1090T processor.
I have added One DVI port monitor and One VGA (DVI Adapter) and third monitor has native display port.

Problem is when I connect the display port cable to my computer, it gives me hardware failure beeps and system won't boot.

I have to disconnect the display port cable and boot the machine then connect the display port monitor and then all 3 monitor works.

XFX technical support is no help. Can anyone help?

Thanks in advance.

More about : xfx radeon 5850 problem

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COLGeek

Monitor Authority

October 27, 2010 2:21:25 AM

What version of Windows are you using and what version of Catalyst Suite/Drivers are you using?

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kuzman

October 27, 2010 2:30:21 AM

I am using Windows 7 64 bit, Catalys 10.10.

Thanks,

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COLGeek

Monitor Authority

October 27, 2010 2:33:15 AM

If you removed the VGA monitor and connected the displayport monitor, would it boot properly?

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kuzman

October 27, 2010 2:53:13 AM

no, i have tried diffrect combination. On wake up or boot the system gives me hardware failure beeps. But with dvi monitros it will boot and if i plug in the display port monitor after the boot it works.

Thanks,

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COLGeek

Monitor Authority

October 27, 2010 3:03:29 AM

This really sounds like a defect to me, possibly with the GPU "clock" that synchronizes the multiple displays. Will the system boot with only the displayport connected?

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kuzman

October 27, 2010 3:12:29 AM

Nope. No boot or wake up if display port connected at all. Only works after the boot.

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COLGeek

Monitor Authority

October 27, 2010 10:28:07 AM

I would RMA that card. Sorry for your hassles.

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djbrad007

October 27, 2010 12:17:23 PM

Update the 5850 bios from manufacturer before RMA.

Brad

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COLGeek

Monitor Authority

October 27, 2010 9:34:31 PM

+1 to djbrad007, if available. Certainly won't hurt and may fix the problem.

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tehring

October 24, 2011 9:00:16 PM

kuzman said:

I have a Radeon HD 5850 card with Asus Cross Hair IV motherboard with AMD 1090T processor.
I have added One DVI port monitor and One VGA (DVI Adapter) and third monitor has native display port.

Problem is when I connect the display port cable to my computer, it gives me hardware failure beeps and system won't boot.

I have to disconnect the display port cable and boot the machine then connect the display port monitor and then all 3 monitor works.

XFX technical support is no help. Can anyone help?

Thanks in advance.

I had the same problem, took a while to figure out. Both your monitor and your graphics card is sourcing 3,3 volts on pin 20 on the display port. (This is used to power adapters) If the monitor is turned on, and the computer is off, there is current flowing from the monitor into the graphics card and into the computer!!! It wont start and will report an error with beeps!! This is of course a design flaw in the graphics card. The way to solve this is to cut the wire from pin 20 in the displayport cable. Or get a graphics card from a company with more skilled engineers....
Tomas

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