I have exactly the same problem on my Dell SX260, 845G chipset. The current latest LiveCd's for Ubuntu, Kububtu, Xubuntu, OpenSuse 11 and Fedora 10 all have problems. The Ubuntu variants all have blank screens the other two have corrupted screens (unusable).
Any Ubuntu variant (8.04 LTS) loads fine and can be installed with no problem, however when you apply all update packages the blank screen re-appears.
On my latest install I removed the Compiz packages and then updated all the other packages and everything is fine.
Interesting about Compiz.
I have exactly the same problem on my Dell SX260, 845G chipset. The current latest LiveCd's for Ubuntu, Kububtu, Xubuntu, OpenSuse 11 and Fedora 10 all have problems. The Ubuntu variants all have blank screens the other two have corrupted screens (unusable).
Any Ubuntu variant (8.04 LTS) loads fine and can be installed with no problem, however when you apply all update packages the blank screen re-appears.
On my latest install I removed the Compiz packages and then updated all the other packages and everything is fine.