Je voudrais modifier la luminosité de mon moniteur externe Dell U2713HM via DDC/IC ( DDC Wikipedia ), il est connecté via DisplayPort. J'ai la carte graphique intégrée Intel HD4000.
Quand je lance sudo get-edid, j'obtiens :
get-edid: get-edid version 2.0.0
Performing real mode VBE call
Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0
Function supported
Call successful
VBE version 300
VBE string at 0x11100 "Intel(R) Sandybridge/Ivybridge Graphics Chipset Accelerated VGA BIOS"
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 supports 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 successful
@L628<"x:KVK%
PTKqO@V^)P0 5UP!GK0KD281826L
DELL U2713HM
1Vq
EDID claims 1 more blocks left
*********** Something special has happened!
Please contact the author, Matthew Kern
E-mail: pyrophobicman@gmail.com
Please include full output from this program (especially that to stderr)
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 successful
@L628<"x:KVK%
PTKqO@V^)P0 5UP!GK0KD281826L
DELL U2713HM
1Vq
EDID claims 1 more blocks left
EDID blocks left is wrong.
Your EDID is probably invalid.La partie importante est probablement :
Monitor and video card combination supports DDC2 transfersLes touches de luminosité de mon clavier fonctionnent correctement, puisque je vois la notification backlight-change-notification dans Ubuntu 12.10.
Que puis-je faire pour que ma luminosité soit réglée par le logiciel ?
Merci pour vos réponses.
