Can't install Leopard on MacBook Pro - Screen goes very dark

Need help!!
Screen is alright at first during boot, Apple logo is fine. Then there is like a Video mode switch upon booting CD and the screen is really, like if the backlight was off or really low brightness set. Special Fs keys on keyboard do not change anything on this, other keys are responsive but I don't want to start install when I can't even see the mouse pointer.
Anybody experienced this? All was fine just before the install, never had a screen issue before. Being able to eject the CD from the superdrive would be nice too...

Same problem on my MBP.
How I solved it:
Step 1: Aim lots of bright light sources at your screen.
Step 2: Realize how dirty your screen is. Clean it before moving to step three.
Step 3: If you tilt the screen at just the right angle and squint really hard, you can kinda read the screen.
Step 4: Place finger on trackpad and wiggle like crazy until you manage to see the cursor.
Step 5: Proceed (slowly, so you don't lose the cursor or the only angle that makes the screen barely visible) with install.
Step 6: Go take some medicine for the migrain you just developed squinting at the dark screen.
Step 7: Enjoy Leopard. (Step 7 is optional).

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