Q: Green light on, no video image

choiii5 wrote: on all apps. not user specific. tried all resets/reboots. no change

Then yours is most likely a hardware problem that will require a professional fix. 

Unless you have a current backup, make one now.

Then use the final "Troubleshooting" suggestion from Apple's Troubleshooting article:

"... contact Apple or an Apple-Authorized Service Provider for service."

If you have no access to local service providers, click here for other contact options.

Message was edited by: EZ Jim

Mac OSX 10.7.3