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M17x R3 Primary GPU Problems (ATI 6990M)


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Good day, everyone!

I'm having problems with my M17x R3 lately and I'll explain how they started and the steps I have done to try to fix this matter.

My system: M17x R3 on ATI 6990M added SSD and in on RAID 0 with the other.

How the problem started:

I was playing SWTOR (high settings, was getting good FPS) when I tried to Tab to desktop. The display instantly became a series of vertical gray stripes with no response from any keyboard/mouse input including Ctrl+alt+del or alt+F4. I restarted the system and I was greeted by a BSOD when windows loaded. Something about an ATI driver failure. This is the last time I encountered this BSOD. Every restart since then, I would just get a blank screen when windows loads.

Steps taken to fix the problem (all didn't work)

1. I tried to see if this was the Primary GPU, so I booted on Safe mode w/ Network and disabled 6990M on the Device Manager. Also updated firmware to A12. Restarted and as expected, I do get display on windows (running on Intel secondary GFX).

2. Did a run of Alien autopsy diagnostics, all passed.

3. Discovered A12 enables GPU switching in BIOS. Forced default to PEG. Blank screen on POST, just gets continuous beeps. GPU problem based on beeps.

4. Did a factory reset using recovery discs. No go. Blank screen when Primary graphics enabled.

5. Redid RAID 0 partition, formatted and did clean install of windows using Dell provided disc. No go. Blank screen when Primary graphics enabled.

6. Did a BIOS reset by taking out CMOS battery, and since I was on it, I also reseated ATI GPU and cleaned everything. No go. Switching to ATI GPU manually on windows gives me a blank screen.

Anything I have missed? My system is still under warranty and before I send this in, I want to make sure I have done everything.

Thanks everyone!

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