View Full Version : [ubuntu] Windows 8 Ubuntu 13.04 dual boot not working on Lenovo G505s

January 29th, 2014, 06:27 AM
I have Lenovo Essential G505s laptop with 1TB HDD and 8 GB ram. I t has AMD A8 64 bit processor. BIOS is set to boot UEFI first. HDD is set to legacy boot and I have Windows 8.1 installed in legacy mode. I have successfully installed Ubuntu 13.04 after creating manual partitions.

After reboot it directly booted to Windows. Then I ran boot repair. Here is the URL i got after running boot repair. http://paste.ubuntu.com/6834525/ . Now I am getting nothing but a purple screen while rebooting system. Fast boot and secure boot (no option for secure boot in BIOS) is off.

January 29th, 2014, 09:24 AM
Probably your BIOS should also use 'legay/csm' mode first.
There seems to be an issue with your Extended Partition, use Fixparts (http://www.rodsbooks.com/fixparts/) to fix it.

What graphics card do you have? It it is not Intel then use 'nomodeset (http://ubuntuforums.org/showthread.php?t=1613132&p=10069997#post10069997)' kernel parameter during boot.

January 29th, 2014, 05:06 PM
BootInfo shows this, so you need the latest AMD drivers and 13.10 may work better as 13.04 has expired:

*******lspci -nnk | grep -iA3 vga
00:01.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI Richland [Radeon HD 8550G] [1002:990d]
Subsystem: Lenovo Device [17aa:3804]
Kernel driver in use: radeon
00:01.1 Audio device [0403]: Advanced Micro Devices [AMD] nee ATI Trinity HDMI Audio Controller [1002:9902]

EOL Notice: Raring (13.04) will be End of Life on January 27, 2014