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Hi,
I have been trying to get Windows 8.1 working on my Acer C720 laptop (chromebook) as have many others, we have been able to get it mostly working aside from video acceleration, which when the Intel graphics drivers are installed results in the screen appearing blank, if a monitor is plugged into the HDMI port there are strange lines across both or one of the screens which react to mouse movement etc.
I was wondering if this could be some kind of problem with the drivers for the 2955u and if so any help getting correct drivers for it would be greatly appreciated, I will try and post a picture at some point. I realise this is not the norm, but users who want to run windows have nowhere else to go as a licence agreement between acer and Google prevents them from giving us Windows drivers themselves. Although strangely the Linux drivers work fine on this device :Sproblem
Regards
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Hello ABagOfPotato,
Let me help you with this.
There is some information I would like to verify first to provide the correct drivers or steps so can you please post your dxdiag report here?
How to get it?
Dxdiag Report: Type dxdiag in Start Menu> open> Save> Copy/Paste here.
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Hi thanks for the quick response, here is the information requested, at the moment I have to close the laptop so that it disables the internal screen and then the HDMI port works but it seems to no longer detect the other screen afterwards,
Chris
------------------
System Information
------------------
Time of this report: 4/23/2014, 07:15:32
Machine name: CHROMEBOOK-W8
Operating System: Windows 8.1 Pro 64-bit (6.3, Build 9600) (9600.winblue_gdr.130913-2141)
Language: English (Regional Setting: English)
System Manufacturer: Acer
System Model: Peppy
BIOS: Default System BIOS
Processor: Intel(R) Celeron(R) 2955U @ 1.40GHz (2 CPUs), ~1.4GHz
Memory: 1988MB RAM
Available OS Memory: 1988MB RAM
Page File: 1826MB used, 2274MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.03.9600.16384 64bit Unicode
------------
DxDiag Notes
------------
Display Tab 1: No problems found.
Sound Tab 1: No problems found.
Input Tab: No problems found.
--------------------
DirectX Debug Levels
--------------------
Direct3D: 0/4 (retail)
DirectDraw: 0/4 (retail)
DirectInput: 0/5 (retail)
DirectMusic: 0/5 (retail)
DirectPlay: 0/9 (retail)
DirectSound: 0/5 (retail)
DirectShow: 0/6 (retail)
---------------
Display Devices
---------------
Card name: Intel(R) HD Graphics
Manufacturer: Intel Corporation
Chip type: Intel(R) HD Graphics Family
DAC type: Internal
Device Type: Full Device
Device Key: Enum\PCI\VEN_8086&DEV_0A06&SUBSYS_0A111025&REV_09
Display Memory: 994 MB
Dedicated Memory: 0 MB
Shared Memory: 994 MB
Current Mode: 1366 x 768 (32 bit) (59Hz)
Monitor Name: Generic PnP Monitor
Monitor Model: HP 22xi
Monitor Id: HWP302F
Native Mode: 1920 x 1080(p) (60.000Hz)
Output Type: HDMI
Driver Name: igdumdim64.dll,igd10iumd64.dll,igd10iumd64.dll,igdumdim32,igd10iumd32,igd10iumd32
Driver File Version: 10.18.0010.3496 (English)
Driver Version: 10.18.10.3496
DDI Version: 11.1
Feature Levels: 11.1,11.0,10.1,10.0,9.3,9.2,9.1
Driver Model: WDDM 1.3
Graphics Preemption: DMA
Compute Preemption: Thread
Miracast: Not Supported
Hybrid Graphics GPU: Integrated
Power P-states: Not Supported
Driver Attributes: Final Retail
Driver Date/Size: 3/7/2014 09:21:58, 26168168 bytes
WHQL Logo'd: Yes
WHQL Date Stamp:
Device Identifier: {D7B78E66-4946-11CF-3D7E-1B2AB4C2C735}
Vendor ID: 0x8086
Device ID: 0x0A06
SubSys ID: 0x0A111025
Revision ID: 0x0009
Driver Strong Name: oem7.inf:5f63e534ee3f8aaa:iHSWM_w81:10.18.10.3496:pci\ven_8086&dev_0a06
Rank Of Driver: 00DA2001
Video Accel: ModeMPEG2_A ModeMPEG2_C ModeWMV9_C ModeVC1_C
DXVA2 Modes: DXVA2_ModeMPEG2_VLD DXVA2_ModeMPEG2_IDCT DXVA2_ModeWMV9_IDCT DXVA2_ModeVC1_IDCT DXVA2_ModeH264_VLD_NoFGT
Deinterlace Caps: {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering
{335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch
{5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend
{BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(UYVY,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering
{335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(UYVY,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch
{5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(UYVY,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend
{BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(YV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering
{335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(YV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch
{5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(YV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend
{BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(NV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering
{335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(NV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch
{5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(NV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend
{BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(IMC1,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering
{335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(IMC1,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch
{5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(IMC1,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend
{BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(IMC2,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering
{335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(IMC2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch
{5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(IMC2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB Vi...
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HI ABagOfPotato,
Thanks for the information.
Here we have a special situation. The laptop you have supports the Chrome Operating System. This means that you can try loading a different Operating System but the internal components on the unit have been designed to work with the original Operating System therefore at this point, the best option is to contact the Computer Manufacture and confirm with them if Win 8.1 can be used with the system and if so, they should be able to provide the drivers for the computer.
Our drivers are generic drivers designed for branded computers so there is always a chance that it may not work properly or at all with OEM systems.
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