Help Me Plase: Black Screen post Installation Multibeast toshiba Satellite l855 10w

[Giulio77]

Hi to all,
i'm Giulio from italy.
I've a problem rebooting after install multibeast on this hardware.
After apple initial boot Screen, video goes into black screeen
I tried to boot setting flag no to graphics enabler or -x to boot in safe mode but nothing has changed.
My notebook is a

toshiba Satellite L855 10W
intel Core I7
AMD graphics
6gb Ram

first multibeast Mac os Mountain lion worked fine

Help Me plase

 

[Giulio77]

Hi to all,
i'm Giulio from italy.
I've a problem rebooting after install multibeast on this hardware.
After apple initial boot Screen, video goes into black screeen
I tried to boot setting flag no to graphics enabler or -x to boot in safe mode but nothing has changed.
My notebook is a

toshiba Satellite L855 10W
intel Core I7
AMD graphics
6gb Ram

first multibeast Mac os Mountain lion worked fine

Help Me plase

Some one can help ME?

 

[RehabMan]

Hi to all,
i'm Giulio from italy.
I've a problem rebooting after install multibeast on this hardware.
After apple initial boot Screen, video goes into black screeen
I tried to boot setting flag no to graphics enabler or -x to boot in safe mode but nothing has changed.
My notebook is a

toshiba Satellite L855 10W
intel Core I7
AMD graphics
6gb Ram

first multibeast Mac os Mountain lion worked fine

Help Me plase

Please provide complete details in your profile/signature
(Profile/Settings link in upper right corner of this site)

System: manufacturer/model + bootloader(Clover/Chameleon/Chimera)
CPU: detailed CPU model + motherboard chipset
Graphics: all graphics devices + laptop internal screen resolution

For example, typical Ivy laptop:
System: HP ProBook 4540s (Clover)
CPU: i5-3320m/HM76
Graphics: HD4000, 1366x768

Use CPU-Z on Windows to find CPU (Core iX-xxx) and motherboard chipset (HMxx), and graphics capabilities. For a laptop, these details are important and affect critical installation procedures.


Also, provide output from 'lspci -nn' in Linux Terminal.