Whether or not hardware acceleration is enabled is often suggested to check as a first step. You can do this by following these instructions.
https://forums.adobe.com/thread/891337
Hey guys, stuck with a computer problem on my sons laptop..
It started when he was trying to stream things, he could hear the audio but the screen was completely green.
A quick google search told me it was a flash problem and the answer was that I should just update my Flash.
I updated Flash and now everything is even worse, websites crash when I open them, videos mostly don't play either.
I have so far tried:
1. Uninstalling flash and Reinstalling flash again
2. Uninstalled Java and reinstalled.
3. Ran virus and spyware checks
I have not yet tried to download drivers for the 3d card as everywhere I go makes me download a driver program where I need to register and they just don't feel legit.
Hope someone can help, it's very frustrating!
The computer in question is:
Dell Studio 1749
Windows 7
Intel Core i5-520M 2.4 GHz
Intel HM55
4096 MB, DDR3 SDRAM
ATI Mobility Radeon HD 5650 - 1024 MB, Core: 550 MHz, Memory: 800 MHz, GDDR3 SDRAM, 8.14.10.0716