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- 28 Dec 2011
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Rather than type it out again, I'll explain my experience with my long-awaited replacement by copying the email I just sent to the Acer escalation contact who has been (in fairness) helping me sort this out:
So from bad to worse really. To recap, my first one was ok in terms of pixels and bleed/glow, but at anything above 100Hz it would flicker to black, and sometimes lock up my GPU to the point I needed to reboot. On anything other than one particular DP cable Windows would report back the maximum refresh rate as either 85Hz or 100Hz, and even forcing other display modes couldn't get it to do 120Hz+ with any reliability.
However, at least it sometimes did something.
Your move, Acer...
Hi Mark.
The replacement monitor arrived earlier this week - only just got round to unboxing and testing it.
I was a little disappointed to see that the manufacture date on the box is March 2015 - I had expected that would have been from a newer production batch than the first one. The box also looks like it has been opened and resealed again, with an extra layer of tape. I guess in fairness this could have been down to a QC procedure though. Also the VESA mounting bolts on the back looked to have been turned before, with paint missing where a screwdriver bit would have applied pressure.
Ultimately though all of the above would not matter if I got a panel that didn't suffer from the issues my first one did. Sadly, this one is a complete dud.
I cannot get any image whatsover on the screen. I've tried three DisplayPort cables including the bundled one, on all six DP outputs across my two video cards, in both SLI and non-SLI mode, and while Windows detects the display and the LED on the panel goes from orange to blue indicating a signal, the screen remains 100% black. I've tried every refresh rate option from 24Hz to 144Hz, setting it it as primary, secondary and tried with no other displays connected and can't get any life out of it whatsoever. I've tried installing the XB270HU driver, reinstalled the GeForce drivers and G-Sync off and on, no luck at all.
I've attached some photos (apologies for the contrast, tough to get the lighting right) that show the Nvidia display manager reporting three screens connected, and the blue LED indicates the Acer has a signal, but nothing is displayed on the panel.
In addition, in the time since I have been waiting for the replacement panel I have changed motherboard and graphics cards. That means the two screens I've received have been tested across seven graphics cards, two motherboards and around nine DP cables. I'm running another DP monitor which works every single time on all combinations of hardware. I can say with 100% certainty the issues are not with my kit.
Inexplicably, you've replaced my faulty monitor with one that is even more faulty, and the date of manufacture and signs of wear and tear make me fairly confident it isn't even new, let alone of a newer batch.
If you know of any debug mode or device reset that I could try to kick-start this into life I'm all ears, but as it stands it looks like its DOA.
Let me know if you can clear this up and/or offer a solution, otherwise I think it's time to collect these back and get a full refund.
You've been very courteous and helpful throughout this, which I appreciate, but with the absolute lack of quality control and massive delays it will take nothing short of a very quick and total resolution to this to stop me from never buying an Acer product again.
I look forward to hearing from you.
Regards
Jonas
So from bad to worse really. To recap, my first one was ok in terms of pixels and bleed/glow, but at anything above 100Hz it would flicker to black, and sometimes lock up my GPU to the point I needed to reboot. On anything other than one particular DP cable Windows would report back the maximum refresh rate as either 85Hz or 100Hz, and even forcing other display modes couldn't get it to do 120Hz+ with any reliability.
However, at least it sometimes did something.
Your move, Acer...
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