Where shared memory is present, the BIOS is used to change the memory size. On your machine you have a Mobility Radeon display card which has 128Mb of memory but the capacity to share a further 384Mb of system memory.
Most applications that show the memory, however, will only show 128Mb of memory since that's what the dedicated memory is. Although you can share more memory with it, it only has 128Mb of dedicated memory all to itself.
F2 when you turn the power on enters the BIOS and allows you to configure things such as video memory. There is strangely no data on it whatsoever in the Acer User Manual for this machine; "hypermemory" doesn't appear once in the entire document, so I'm not able to offer you any more direct support than to suggest looking in the BIOS.
If you are having problems with your video card
the drivers might not be installed correctly you might
have to uninstall the graphics card restart your computer then reinstall the
graphics card and its drivers
If your computer
came with a motherboard disc the drivers could be on it
Click start control
panel administrive tools computer management device manager scroll to display
adapters + to expand you might see a yellow question mark ? or exclamation mark
! or a red x right click select reinstall drivers or
you might need to
download one
http://download.cnet.com/video-ati-ati-radeon/3000-2108_4-175861.html
This package
supports the following driver models:
Hope this helps
you
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