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The video card on a laptop is built-in on the motherboard and cannot be swapped to another video card. You maybe able to increase the video RAM in the BIOS video settings BUT it will reduce your main memory by the corresponding amount because the video uses shared RAM.
Since this is a laptop you won't be able to change the video card physically like the desktop computers. This Toshiba model has an ATI Radeon TM X1250 128MB-831MB dynamically allocated shared graphics memory. So that means by default it can provide a 128MB of graphics power, but if you increase the size of the memory you can also get up to 831MB of graphics memory therefore increasing or upgrading the available video memory of your laptop.
You can only do that with onboard video cards. If you have an onboard you can choose how much ram to assign to it in your bios settings. However it is limited and if you already have 128 assigned to it, that's probably about all it's gonna give ya. But hey it never hurts to check
Assigning your physical memory to your graphics card will result a shortage of your total system memory and your whole system will slow down a bit. Video cards meant for better processing the graphical content of your system and free up your system's physical memory.[via] So, if you buy a new and better video card with more memory you will have a fast system with better performance.
The portion of the ram you don't see is being allocated to the video card. That is typical in computers to share the ram between regular use and the video card itself. 64 is being shared. Sometimes in the bios you can change the shared about but sometimes you cant.
This model comes in 2 different flavors and I am unsure which one you have but here's the skinny on it: Option 1: ATI Radeon® Xpress 1100 chipset with integrated 3D graphics, up to 256 MB of shared system memory
Option 2: • ATI Mobility™ Radeon® X1300/X1600 with up to 512MB of HyperMemory™ (64MB of dedicated GDDR2 VRAM; up to 448MB of shared system memory), supporting
Regardless of which one you have, you should be able to set the shared memory in the BIOS, or you can use the Acer ePerformance Management software either installed on your machine already, or which can easily be downloaded from their website at this link:
Sometimes after changing BIOS settings the computer will not start or will possibly give error messages similar to yours. I have at times had to remove the power source, remove the motherboard battery, and set the motherboard back to factory default settings. You also stated that you installed a new motherboard. That could also be a potential problem. If the computer has never started with the new motherboard, the new board may be defective.
You better try to increase the virtual memory of your system as seems you would nt be able to increase the pre allocated video memory to your video device.
The virtual thing you can do by going to the my computer's properties and then in advanced tab you find performance options .Here you can tweak your virtual memory accg to your systtem memory