Blackscreen after bootup, keyboard not working in recovery, usb 2-2 cant set config

[armin-frljak]

Hello.
Yesterday i updated my new Ubuntu installation, downloaded realtek drivers, downloaded nvidia drivers, downloaded java and adobe flash player.

But before that all mouse and keyboard wasnt working so i unplugged them and plugged them in.

Than i wrote acpi=off but didnt update grub.

I updated realtek drivers. Reboot. Than i updated Ubuntu.
Reboot.

I think nvidia drivers came with update.

Than i downloaded java and flashplayer, installed them, typed sudo apt-get update.

Than i just shuted down and went to sleep. Now i have a blackscreen after startup, there always stands something like usb 2-2 cant set config and usb device keyboard.

So i wanted to try something in the recovery = keyboard not working there.

I also tried to boot up with nomodeset but still same problem.

So can you help me?

[carl4926]

updated? or clean install? explain....

acpi=off - why? How?

USB keyboard may need Legacy USB support enabled in BIOS

[armin-frljak]

Bios Settings were enabled because my mouse and keyboard not worked. I had ubuntu 5 days but after this it not works. My mouse and Keyboard was not working so i did acpi=off and then they worked again. In Grub Keyboard works. I have ubuntu installed from a live cd. My second system is Windows Xp.