De cerca de um mês, tenho problemas com gráficos em jogos (3d).
Há saída da CLI:
sudo lshw -c video
*-display
description: VGA compatible controller
product: HD Graphics 5500
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 09
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:49 memory:f5000000-f5ffffff memory:d0000000-dfffffff ioport:f000(size=64) memory:c0000-dffff
*-display
description: 3D controller
product: GM108M [GeForce 840M]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:08:00.0
version: a2
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list rom
configuration: driver=nouveau latency=0
resources: irq:50 memory:f6000000-f6ffffff memory:e0000000-efffffff memory:f0000000-f1ffffff ioport:d000(size=128) memory:f7000000-f707ffff
uname -a
Linux xxxx-xxxx-xxxx 4.10.0-42-generic #46-Ubuntu SMP Mon Dec 4 14:38:01 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 17.04
Release: 17.04
Codename: zesty
Alguns dos jogos (do Steam) estão funcionando bem (Civ 5, M & B), mas outros não - CS GO, Cities: Skylines
Alguma idéia de como corrigir isso?