Ecran bleu - souci carte graphique ?

Bonsoir,
Après création de ce sujet le 16 décembre dernier
https://forums.commentcamarche.net/forum/affich-34187197-soucis-avec-notebook-11-6-acer-aspire-v5-122p-ecrans-bleus#p34187197
J'ai maintenant l'ordinateur sous la main, et j'ai pu, comme il m'a été conseillé, lancer une analyse WHOCRASHED, qui me donne les résultats suivants :

Crash dump directory: C:\WINDOWS\Minidump
Crash dumps are enabled on your computer.

On Wed 21/12/2016 19:49:27 your computer crashed
crash dump file: C:\WINDOWS\Minidump\122116-33953-01.dmp
This was probably caused by the following module: dxgkrnl.sys (dxgkrnl+0x22D0F)
Bugcheck code: 0x100000EA (0xFFFFDB840EA337C0, 0x0, 0x0, 0x0)
Error: THREAD_STUCK_IN_DEVICE_DRIVER_M
file path: C:\WINDOWS\system32\drivers\dxgkrnl.sys
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: DirectX Graphics Kernel
Bug check description: This indicates that a thread in a device driver is endlessly spinning.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system that cannot be identified at this time.

On Wed 21/12/2016 19:49:27 your computer crashed
crash dump file: C:\WINDOWS\memory.dmp
This was probably caused by the following module: atikmdag.sys (atikmdag+0x50930)
Bugcheck code: 0xEA (0xFFFFDB840EA337C0, 0x0, 0x0, 0x0)
Error: THREAD_STUCK_IN_DEVICE_DRIVER
file path: C:\WINDOWS\System32\DriverStore\FileRepository\c0307259.inf_amd64_e75a0a5e82450920\atikmdag.sys
product: ATI Radeon Family
company: Advanced Micro Devices, Inc.
description: ATI Radeon Kernel Mode Driver
Bug check description: This indicates that a thread in a device driver is endlessly spinning.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: atikmdag.sys (ATI Radeon Kernel Mode Driver, Advanced Micro Devices, Inc.).
Google query: Advanced Micro Devices, Inc. THREAD_STUCK_IN_DEVICE_DRIVER

Conclusion
2 crash dumps have been found and analyzed. A third party driver has been identified to be causing system crashes on your computer. It is strongly suggested that you check for updates for these drivers on their company websites. Click on the links below to search with Google for updates for these drivers:

atikmdag.sys (ATI Radeon Kernel Mode Driver, Advanced Micro Devices, Inc.)

If no updates for these drivers are available, try searching with Google on the names of these drivers in combination with the errors that have been reported for these drivers. Include the brand and model name of your computer as well in the query. This often yields interesting results from discussions on the web by users who have been experiencing similar problems.

Read the topic general suggestions for troubleshooting system crashes for more information.

Note that it's not always possible to state with certainty whether a reported driver is responsible for crashing your system or that the root cause is in another module. Nonetheless it's suggested you look for updates for the products that these drivers belong to and regularly visit Windows update or enable automatic updates for Windows. In case a piece of malfunctioning hardware is causing trouble, a search with Google on the bug check errors together with the model name and brand of your computer may help you investigate this further.

Puis je avoir de l'aide pour la suite à donner / comprendre cette analyse. J'ai aussi relevé les infos suivantes concernant AMD Radeon :

Version logiciel Radeon - 16.6
Édition logiciel Radeon - Crimson
Jeu de puces graphiques - AMD Radeon HD 8210
Taille de la mémoire - 512 MB
Type de mémoire - DDR3
Horloge du processeur - 300 MHz
Version Windows - Windows 10 (64 bit)
Mémoire système - 4 GB
Type de CPU - AMD A4-1250 APU with Radeon(TM) HD Graphics

Version Paramètres Radeon - 2016.0916.1515.27418
Version du package du pilote - 16.40.2311-160916a-307259E
Fournisseur - Advanced Micro Devices, Inc.
Version du pilote 2D - 8.1.1.1571
Direct3D® Version - 9.14.10.01221
OpenGL® Version - 6.14.10.14008
OpenCL™ Version - 6.14.10.14008
Version AMD Mantle - 9.1.10.0146
Version API AMD Mantle - 98310
Version du pilote audio AMD - 10.0.0.0
Vulkan™ Driver Version - 1.3.0
Vulkan™ API Version - 1.0.21

Fabricant de la carte graphique - Powered by AMD
Jeu de puces graphiques - AMD Radeon HD 8210
ID du périphérique - 9834
ID fournisseur - 1002
ID du sous-système - 080D
ID fournisseur du sous-système - 1025
ID de la révision - 00
Type de bus - PCI
Paramètre actuel du bus - PCI
Version du BIOS - 015.033.000.001
Référence du BIOS - 113-C53500-103
Date du BIOS - 2013/04/04 15:14
Taille de la mémoire - 512 MB
Type de mémoire - DDR3
Horloge de la mémoire - 667 MHz
Horloge du processeur - 300 MHz
Bande passante mémoire totale - 10 GByte/s
Chemin du fichier du pilote 2D - /REGISTRY/MACHINE/SYSTEM/ControlSet001/Control/Class/{4d36e968-e325-11ce-bfc1-08002be10318}/0000

Je ne vois aucun point d'interrogation à coté des composants carte graphique...
Des idées de ce que je dois faire ?
Merci
Nathalie