Firefox OS 1.3 simulator doesn't work.(runs but shows a black screen)

I am learning app development for firefox os.I installed a simulator for version 1.3 at my work place and it was working fine.I could write simple web app and run on the simulator.But when i installed the emulator on my home pc It was installed successfully but then was showing just a black screen.I am sure i have installed the correct version.I am using firefox 30.The simulator does show up in the app manager but when i start ,it just show a black screen.I don't understand why this is happening.I tried installing other versions like 1.4,but same thing happens for all the simulator addons.what could be the problem?

Hi prathamesh_13,
Thank you for your question. There should not be a black screen, and is sounds like you have already reinstalled the simulator on the second computer.
If the simulator does not show up on the app manager it may not have been properly installed.
Can you enable verbose logging:
You can see messages logged from your app in the Web Console, which you can attach to your app using the App Manager. If you want to catch early messages happening during app startup, before the console gets connected and working, you can enable verbose logging in the Simulator.
Visit about:config and create a new preference. The preference name is different for each version of the Simulator:
[email protected] for Firefox OS 1.3
[email protected] for Firefox OS 1.2
Set it to the string value "all", and disable, then reenable, the add-on in the Add-on Manager. Now extra messages about the Simulator's operation will appear in the Browser Console.
Reference: [https://developer.mozilla.org/en-US/docs/Tools/Firefox_OS_Simulator MDN doc for Firefox OS Simulator]

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