IBM X40 Notebook installation http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu 10.04 black screen solution is as follows:
For new installation on CD-ROM:
1. With the Live CD boot, a purple screen immediately press Enter to call out menu
When you select a language, press F6 and then press ESC
Enter "I915.modeset=1" after "Quiet Splash" and press ENTER to try or install
2. Reboot after installation, press E on the Grub menu to enter edit
(If the computer only has an Ubuntu operating system, press Shift to call out grub)
Enter "I915.modeset=1" after "Quiet Splash" and press CTRL + X to enter 10.04
3. Open the terminal input
echo Options i915 Modeset=1 | sudo tee/etc/modprobe.d/i915-kms.conf
sudo update-initramfs-u
After the reboot, you can boot into the 10.04 without the black screen.
If upgraded by 9.10:
1. After the upgrade reboot, do the above step 2. and step 3.
2. Alternatively, you can select the boot from kernel 2.6.31 in grub to enter 10.04
Share it with the same Intel 82852/82855 who can't use Ubuntu 10.04!