- sudo apt-get install read-edid 
Devuelve:
Leyendo lista de paquetes... Hecho
Creando árbol de dependencias       
Leyendo la información de estado... Hecho
Se instalarán los siguientes paquetes NUEVOS:
  read-edid
0 actualizados, 1 se instalarán, 0 para eliminar y 6 no actualizados.
Necesito descargar 18,1 kB de archivos.
Se utilizarán 87,0 kB de espacio de disco adicional después de esta operación.
Des:1 
http://ar.archive.ubuntu.com/ubuntu/ trusty/universe read-edid amd64 3.0.1-2 [18,1 kB]
Descargados 18,1 kB en 2seg. (7.778 B/s)
Seleccionando el paquete read-edid previamente no seleccionado.
(Leyendo la base de datos ... 224157 ficheros o directorios instalados actualmente.)
Preparing to unpack .../read-edid_3.0.1-2_amd64.deb ...
Unpacking read-edid (3.0.1-2) ...
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Configurando read-edid (3.0.1-2) ...
- sudo get-edid | parse-edid 
Devuelve:
This is read-edid version 3.0.1. Prepare for some fun.
Attempting to use i2c interface
No EDID on bus 1
2 potential busses found: 0 2
Will scan through until the first EDID is found.
Pass a bus number as an option to this program to go only for that one.
Bus 0 doesn't really have an EDID...
Bus 2 doesn't really have an EDID...
Couldn't find an accessible EDID on this computer.
Attempting to use the classical VBE interface
   Performing real mode VBE call
   Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0
   Function supported
   Call successful
   VBE version 300
   VBE string at 0x11100 "NVIDIA"
VBE/DDC service about to be called
   Report DDC capabilities
   Performing real mode VBE call
   Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0
   Function supported
   Call successful
   Monitor and video card combination does not support DDC1 transfers
   Monitor and video card combination does not support DDC2 transfers
   0 seconds per 128 byte EDID block transfer
   Screen is not blanked during DDC transfer
Reading next EDID block
VBE/DDC service about to be called
   Read EDID
   Performing real mode VBE call
   Interrupt 0x10 ax=0x4f15 bx=0x1 cx=0x0
   Function supported
   Call failed
The EDID data should not be trusted as the VBE call failed
Error: output block unchanged
I'm sorry nothing was successful. Maybe try some other arguments
if you played with them, or send an email to Matthew Kern <
pyrophobicman@gmail.com>.
Partial Read... Try again