External LCD monitors stopped working

I have used external LCD displays connected to my MacBook2 for a few years. Recently it stopped sending a picture to external monitors (I've tried a couple.)  The ColorSync utility can not repair a damaged profile: Adobe RGB 1998 I think. There is something wrong with the 'desc' tag. I will upload its log later, when I can connect the LCD screen again (away now.)
I am pretty sure it is just a file or a setting somewhere that needs to be changed, with Adobe probably.  Can I delete the profile? The displays work with my Nintendo Wii.
Running 10.5.8 on white MacBook
Any ideas??

Thanks for the reply...
I cannot see the drive in windows disk management, it sounds like its running because i can hear it whirring.... but its not spinning up and down.
Stupidly i haven't got other copies of the files, however i didnt expect an almost new hardrive to give up the ghost so soon !
Is there any other ways i could retrieve the files ?... 5 years of holidays photo's with the missus lost, im not going to be popular !
Thanks

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