Posts:
1
From:
Finland
Registered:
Nov 4, 2009
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Re: periodic Dual-link display problem with new adapter
Posted:
Nov 4, 2009 8:04 AM
in response to: Wes Plate
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I have a brand new MacBook Pro (bought late October, 2009) and a brand new dual-link display adapter. Latest firmware (1.0.2). My monitor is SyncMaster 305T+, which is a 30" with a native resolution of 2560x1600.
With my old MBP and old adapter everything worked flawlessly, but the new port/adapter does not work. I get most of the symptoms described previously; "snow", flickering, but most of the time the monitor just shows no picture at all.
Needless to say, Apple's secretive policy annoys me very much: I don't know if I should just sell the whole bunch of hardware or if there is a batch coming. I would like to actually start working, but Apple effectively keeps me waiting.
MacBook Pro
Mac OS X (10.6.1)
Late 2009 Unibody Model / SyncMaster 305T+
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Posts:
32
From:
USA
Registered:
Sep 20, 2005
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Re: periodic Dual-link display problem with new adapter
Posted:
Nov 9, 2009 10:56 PM
in response to: Wes Plate
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Well, I happy (*NOT*) to report that 10.6.2 is worthless in the dual-link DVI adapter solution category. Not even 2 hours using 10.6.2, sat down to have dinner, came back afterward, computer put display to sleep. Touched the mouse, display came back and problems. The exact screen problems I posted above in http://discussions.apple.com/mailpost.jspa?messageID=10114666
<Edited by Host>
MacBook Pro (unibody 3.06Ghz/8GB/X25-M 160GB G2)
Mac OS X (10.6)
Ubuntu Linux on 8-core Xeon (Harpertown)
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Posts:
6
From:
Ohio
Registered:
May 21, 2008
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Re: periodic Dual-link display problem with new adapter
Posted:
Nov 11, 2009 4:41 AM
in response to: Wes Plate
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Running a 2009 MacBook Pro connected to a Dell UltraSharp 3007WFP-HC 30-inch WideScreen Flat Panel Monitor. The external display works perfectly when I use it with my older MacBook pros and older connectors. However, once I hook up my 2009 MBP with Mini DisplayPort to Dual-Link DVI Adapter, the external display does the following:
- Flashes garbled white horizontal lines randomly every 5 to 10 minutes.
- When the computer wakes up after a long sleep, the external display shows 'double vision' with some vibration.
- While the computer is awake the external display goes black and stays black (while still powered). The MacBook Pro continues to display images on its screen as it did before the external display blacked out, and does not shift to 'single screen' mode.
- Always, there are random flickering white pixels distributed over any black backgrounds. Almost looks like a subtle snow-globe effect.
For each of the above issues, my remedy is to unplug the DVI Adapter cable from the MacBook Pro and then plug it in again. It resets the external display to 'normal'.
I've had Apple send me two new cables and the problem persists.
Full specs on my setup:
MacBook Pro 17" Unibody (released summer 2009)
Mac OS X 10.6.1 (10B504)
Adapter Type: Mini DisplayPort To Dual-Link DVI Adapter
Adapter Firmware Version: 1.02
Dell UltraSharp 3007WFP-HC 30-inch WideScreen Flat Panel Monitor
MacBook Pro 17" Unibody
Mac OS X (10.6.1)
Dual-Link DVI Adapter
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Posts:
51
From:
Japan
Registered:
Jan 6, 2009
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Re: periodic Dual-link display problem with new adapter
Posted:
Nov 18, 2009 3:47 AM
in response to: EGWiley
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Ouch... I had hope...real belief and hope...
But it's true...the new firmware..the new system with all the fixes...the last one was said to improve 'graphic issues',,,
The problem persists..its just a little less often. I was getting the ugly every 15 minutes...now it is only once or twice a day..
It's only been a year....only one year ago I bought this MBP
and it still does not work as advertised!
Macbook pro 2.53
Mac OS X (10.6.2)
Dell 30' monitor, 20' apple display, several macs, Iphone 3g, a few ipods
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Posts:
1
From:
Springville, UT
Registered:
Nov 18, 2009
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Re: periodic Dual-link display problem with new adapter
Posted:
Nov 18, 2009 1:16 PM
in response to: tsumuji
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Same problem here, only with a Mini-DP to DisplayPort cable going to a 24' Dell monitor. The flickering goes in waves. Sometimes it will flicker every 5 seconds. Other times it's good for hours. Graphics settings don't seem to affect the frequency (neither does slamming my fist on the table).
MacBook Pro (unibody)
Mac OS X (10.6.2)
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Posts:
2
From:
Germany / Switzerland
Registered:
Oct 21, 2009
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Re: periodic Dual-link display problem with new adapter
Posted:
Nov 19, 2009 10:26 PM
in response to: Wes Plate
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Hi there,
short question to those who still have issues with v1.02:
How’s the power situation?
I did a couple of tests yesterday, and depending on the stability of the current on the USB connector (or lack thereof), I’ll get flickering or I won’t. Here’s the tests I did:
Connected to the MBP’s USB port, second port empty: No issues.
Connected to the MBP’s USB port, second port used for low-powered USB device (mouse, flash drive): No issues.
Connected to a power outlet (there’s connectors for that, check your mobile shop): No issues.
Connected to the MBP’s USB port, low-powered device on the adaptor’s passthrough USB port: No issues.
Connected to an active USB hub, no other USB devices connected: No issues.
Connected to an active USB hub, other USB devices connected: No issues.
Connected to a passive USB hub, no other USB devices connected: Slight issues.
Connected to the MBP’s USB port, power-hungry device on the adaptor’s passthrough USB port (e.g. USB-powered HDD, passive hub with multiple devices): Slight issues and / or connected device(s) won’t work.
Connected to the MBP’s USB port, power-hungry device on second USB port: Huge issues.
I suggest people who still have troubles with the adaptor to get one of those wall-mount USB power connectors and give it a shot. They’re inexpensive and if it doesn’t work, well, you can still charge your iPod or something with it.
Cheers,
-Sascha
Message was edited by: nggalai
MacBook Pro 5,5 13"
Mac OS X (10.6.2)
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