When I connect my MBP to another screen, all fonts turn dark and my VLC screen is really dark!

Hey.
Hope anybody can help me.
I have a Macbook Pro with Lion installed.
But... When I connect my MBP to my Samsung 32" screen.
* My fonts (Only on my Samsung, not on my MBP screen) turn dark, from a light greey to a really dark greey.
* When my VLC screen is on my MBP its normal, but when I put it on my other screen then it becomes really dark so its impossile to see whats on the screen.
Its the same on every screen i have tried (an LG aswell).
I have had this a couple of weeks now, ever since I borrowed a HDMI adapter from a friend and connected it with my MBP.
Its really becoming a problem. Since I can't watch anything on my screen anymore.
Does anybody have a solution?

Try:
- Going to NF support site/contacting them
- Try a different adopter
- Reset the iOS device. Nothing will be lost
Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Reset all settings
Go to Settings > General > Reset and tap Reset All Settings.
All your preferences and settings are reset. Information (such as contacts and calendars) and media (such as songs and videos) aren’t affected.
- Restore from backup. See:
iOS: How to back up
- Restore to factory settings/new iOS device.

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Message was edited by: Stephen Ethan
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When I connect my MBP to another screen, all fonts turn dark and my VLC screen is really dark!

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