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Problems with built in versus external monitor


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I am having difficulty getting some 3D games to work on my laptop’s built in monitor (1366x768, 32bit). The games in question (various titles by Battlefront.com) were working fine previously, but as of 4 weeks ago (or thereabouts) they fail to start with the error message:

“Could not initialise graphics display. REQUIRED: 1024x768, 32bit color.”

However, if I connect to an external monitor (e.g. my DELL running at 1920x1200) they work perfectly. I have tried various graphics card driver versions (the original driver version which used to work perfectly as well as various versions downloaded from this website e.g. with the modded inf, but this bizarre behaviour remains regardless of the driver version.

Can anyone suggest what might have happened /what I can do about this as I am at a loss...

It is a Win7 professional 64bit OS on a Sony Vaio laptop.

Other DXDIAG info as follows:

System Manufacturer: Sony Corporation

System Model: VPCS11V9E

BIOS: Default System BIOS

Processor: Intel® Core i5 CPU M 520 @ 2.40GHz (4 CPUs), ~2.4GHz

Memory: 4096MB RAM

Available OS Memory: 3958MB RAM

Page File: 2634MB used, 5281MB available

Windows Dir: C:\Windows

DirectX Version: DirectX 11

DX Setup Parameters: Not found

User DPI Setting: 144 DPI (150 percent)

System DPI Setting: 96 DPI (100 percent)

DWM DPI Scaling: Enabled

DxDiag Version: 6.01.7600.16385 32bit Unicode


DxDiag Notes


Display Tab 1: No problems found.

Sound Tab 1: No problems found.

Input Tab: No problems found.


Display Devices


Card name: NVIDIA GeForce 310M

Manufacturer: NVIDIA

Chip type: GeForce 310M

DAC type: Integrated RAMDAC

Device Key: Enum\PCI\VEN_10DE&DEV_0A75&SUBSYS_9069104D&REV_A2

Display Memory: 2197 MB

Dedicated Memory: 474 MB

Shared Memory: 1723 MB

Current Mode: 1366 x 768 (32 bit) (59Hz)

Monitor Name: Generic PnP Monitor

Monitor Model: Nvidia Defaul

Monitor Id: SNY05FA

Native Mode: 1366 x 768(p) (59.951Hz)

Output Type: Internal

Driver Name: nvd3dumx.dll,nvwgf2umx.dll,nvwgf2umx.dll,nvd3dum,nvwgf2um,nvwgf2um

Driver File Version: 8.17.0011.9805 (English)

Driver Version:

DDI Version: 10.1

Driver Model: WDDM 1.1

Driver Attributes: Final Retail

Driver Date/Size: 6/3/2010 11:45:56, 11923048 bytes

WHQL Logo'd: n/a

WHQL Date Stamp: n/a

Device Identifier: {D7B71E3E-4935-11CF-B055-62B01CC2C535}

Vendor ID: 0x10DE

Device ID: 0x0A75

SubSys ID: 0x9069104D

Revision ID: 0x00A2

D3D9 Overlay: Supported

DXVA-HD: Supported

DDraw Status: Enabled

D3D Status: Enabled

AGP Status: Enabled

Edited by Itchy
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