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Maniphest T16

No signal on external screen connected through mDP -> VGA adapter
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Description

My external screen receives no signal from my laptop when I connect it on the laptop's mini Display Port. I use a mini Display Port to VGA adapter.
The mini Display Port is linked to a MCP79 (9400M) card, but the laptop also features a G96 (9600M GT) card. Traces were sent to mmio.dumps@gmail.com.

Another user with the same MCP79 card reported that he was able to get a signal, but the external screen would flicker; reclocking to a higher level doesn't help (see bug fdo#88272).

Event Timeline

pmoreau updated the task description. (Show Details)Jan 13 2015, 11:05 PM
pmoreau added a project: Nouveau.
pmoreau added a subscriber: pmoreau.
pmoreau created this task.
pmoreau raised the priority of this task from to Needs Triage.
pmoreau claimed this task.Jan 14 2015, 12:33 AM
pmoreau triaged this task as Wishlist priority.
pmoreau changed the visibility from "All Users" to "Public (No Login Required)".Jan 14 2015, 12:43 AM
pmoreau added a project: MCP79/7A.Jan 15 2015, 11:53 PM
pmoreau renamed this task from [MCP79] No signal on external screen connected through mDP -> VGA adapter to No signal on external screen connected through mDP -> VGA adapter.
pmoreau moved this task from Backlog to Doing on the Nouveau board.Jan 19 2015, 11:35 PM
pmoreau moved this task from Doing to Backlog on the Nouveau board.Mar 15 2015, 12:31 PM
pmoreau raised the priority of this task from Wishlist to Normal.Jan 21 2016, 11:28 PM
pmoreau edited projects, added Linux; removed Nouveau.Feb 6 2016, 3:45 PM