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Joanna_Moreno
October 17th, 2013, 12:12 PM
I've been trying to install Ubuntu for the last 3 days and went through dozens of topics but nothing works for me, so I hope you can possibly help me here...


My laptop model is Tohshiba Satellite A215. Few months ago I had Ubuntu 12.04 installed on this machine (from LiveCD, everything worked perfect) but then I had to format my hard drive and install Windows 8. Since that time, no hardware nor BIOS version changed. So now I want to install Ubuntu, to have it along with Windows. But every time I run the installer some problems appear. Here is what I tried:



starting installation normally -> gets me some strange lines about Pnp Bios. The last line says "Pnp Bios version 1.0, entry 0xf000 :0x9afb, dseg 0x400"
starting installation with pnp bios=off -> the same
starting installation with nomodeset -> gets me black or gray screen (depending if I use CD or USB)
starting installation with nomodeset + acpi=off + noapic -> gets me blinking cursor
starting installation with pnp bios=off AND I delete quiet splash -> WORKS. The files load, there are some fails, though there's no time to note them down and finally the installation screen appears. I choose a partition to install the system, click Next and AGAIN i get black screen or black screen with a blinking cursor.


I also tried:



running different versions (12.04, 13.04)
running both from USB and CD
running from an alternate installer


In every case the same things happen. I would really appreciate any ideas...

oldfred
October 17th, 2013, 05:55 PM
I have nVidia on desktop and Intel on my old Toshiba laptop, but for AMD one of these 3 may be better than nomodeset?




Generic: xforcevesa or nouveau.modeset=0
Radeon: radeon.modeset=0

Joanna_Moreno
October 20th, 2013, 11:29 PM
Generic: xforcevesa or nouveau.modeset=0
Radeon: radeon.modeset=0



Thank you Sir! Nobody could help me and then finally pnpbios=off+xforcevesa worked! Ubuntu has been installed properly.
The problem now is that every time I boot my laptop, Ubuntu won't boot untill I add these two parameters. It's not a big deal, I've edited a grub file with GRUB Customizer so I don't have to enter these every time I run my laptop. So my question is, should I be worried about it? The system works fine, but I'm not sure whether those parameters won't do any harm to my machine? Is it all safe??

oldfred
October 21st, 2013, 12:38 AM
I think vesa is the lower level video driver that the liveCD uses. Not sure what your pnpbios setting does.

Often with AMD you have to install drivers but I am not current on AMD. They obsoleted some older chips/boards and you then have to use a legacy driver.