HDTV FLICKERS as a 2nd monitor only

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ptishberg

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Sep 17, 2011
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NVIDIA System Information report created on: 09/17/2011 05:05:22
System name: CQPRSARIOF755US

[Display]
Processor: AMD Turion(tm) 64 X2 Mobile Technology TL-58 (1900 MHz)
Operating System: Windows Vista (TM) Home Premium, 32-bit (Service Pack 2)
DirectX version: 10.0
GPU processor: GeForce 7000M / nForce 610M
Driver version: 179.91
Core clock: 350 MHz
Memory interface: 32-bit

Total available graphics memory: 1071 MB
Dedicated video memory: 64 MB
System video memory: 0 MB
Shared system memory: 1007 MB
Video BIOS version: 5.67.32.16.00
IRQ: 16
Bus: FPCI

[Components]

nvCplUIR.dll 2.2.275.12 NVIDIA Control Panel
nvCpl.cpl 2.2.275.12 NVIDIA Control Panel Applet
nvExpBar.dll 1.4.200.11 NVIDIA Control Panel
nvCplUI.exe 2.2.275.12 NVIDIA Control Panel
nvViTvSR.dll 7.15.11.7991 NVIDIA Video and TV Server
nvViTvS.dll 7.15.11.7991 NVIDIA Video and TV Server
nvDispSR.dll 7.15.11.7991 NVIDIA Display Server
NVMCTRAY.DLL 7.15.11.7991 NVIDIA Media Center Library
nvDispS.dll 7.15.11.7991 NVIDIA Display Server
NVCPL.DLL 7.15.11.7991 NVIDIA Compatible Windows Vista Display driver, Version 179.91
nvGameSR.dll 7.15.11.7991 NVIDIA 3D Settings Server
nvGameS.dll 7.15.11.7991 NVIDIA 3D Settings Server

Horizontal line moving vertically across second monitor (Vizio 47 in 1080p TV connected directly from dell C630 latitude laptop to vga port on tv) only happens when both monitors are displaying. Alone TV fine. WHY?
 
Seems like there isn't enough Video RAM to drive both the displays at that refresh rate.
From the looks of that data it seems your systems memory is 1024 MB. Out of which 1007MB is being used by the GPU plus it's own 64MB making it a total of 1071MB.
So when you're driving 2 displays it's going to strain the system like mad. Especially a 47in 1080 Display and all the more is it is being sent over a VGA port.
The signals going to be divided and you'll end up with lines, you can try changing the refresh rates to a lower value. but..... I have my doubts.
 
Seems like there isn't enough Video RAM to drive both the displays at that refresh rate.
From the looks of that data it seems your systems memory is 1024 MB. Out of which 1007MB is being used by the GPU plus it's own 64MB making it a total of 1071MB.
So when you're driving 2 displays it's going to strain the system like mad. Especially a 47in 1080 Display and all the more is it is being sent over a VGA port.
The signals going to be divided and you'll end up with lines, you can try changing the refresh rates to a lower value. but..... I have my doubts.
 
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