My Sony PictureBook C1XS uses a NeoMagic MagicMedia256AV adapter, and it no longer lets me change the resolution. The complaint I get is "The display control panel is unable to change the display settings. Please check your display hardware in device manager.". I run Win98 (4.10.2222A), and the Device Manager tells me everything's fine. Anyone have any ideas?
Since it was working fine till you updated the drivers I would run scanreg /restore & put the registry back to the day before you changed the driver. Do this from the dos prompt & it should restore your docking configurations like they were.
For posterity, the solution appears to have been to reset to VGA mode (uninstall all video drivers) and then re-install the drivers when Win98 boots and detects the hardware. I was sure I'd gone through that process a couple of times, but it finally worked. Perhaps the other monitor had to be plugged in for it to work.
Make sure you don't have Microsoft Net Meeting running. IT will keep you from changing the resolution. What is has to do with the graphics driver, I will never know but soon as you disable it , you can change the resolution
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