After short delay, NoSleep does not work on macbook pro with external monitor

[GoogleCodeExporter]

I want to use my MBP 13 2011 with the lid closed and an external display. I use 
a mini-displayport to DVI convertor, then a DVI cable to my Dell 2407WFP.

## What steps will reproduce the problem? ##
1. Attach external display
2. Close the lid of the macbook --> The system will go to sleep after about 12 
seconds

## What is the expected output? What do you see instead? ##
It should stay awake. Without the external display, NoSleep is working.

## What version of the product are you using? On what operating system? ##
NoSleep 1.3.3 on OS X 10.9.3

## Please provide any additional information below. ##
This problem occurs since Mavericks.

Original issue reported on code.google.com by mijnheer...@gmail.com on 4 Jun 2014 at 1:11

Attachments:

• dmesg.txt

[GoogleCodeExporter]

I am having the same problem, has anyone found a solution for this ?

Original comment by prox.developer@gmail.com on 13 Jul 2014 at 1:35

[GoogleCodeExporter]

The only solution I could come up with, was start using a different tool: 
InsomniaX does work.

http://semaja2.net/projects/insomniaxinfo/

Original comment by mijnheer...@gmail.com on 14 Jul 2014 at 11:14

[GoogleCodeExporter]

I am having the same problem with my Early 2014 MacBook Air w/ the latest 
version of NoSleep (at the time of this post).

I am using a Thunderbolt->DisplayPort cable (third party).

Original comment by Charles....@gmail.com on 20 Oct 2014 at 4:01