Ghosting: DVI+VGA monitor / G3 minitower / Radeon Mac 32MB RAM / OS 9

Good evening.
I have been running a HP LCD monitor vs VGA for years with good results, until the monitor died.
I got a replacement HP 17" monitor with VGA+DVI inputs.
It works just fine with the VGA, but receives no signal when hooked up to the DVI inputs.
The VGA also shows a ghosting which is not attractive. I have tried every resolution possibility in the "monitors" control panel with no improvement.
Any ideas?
Thanks for your time.

Radeon Mac 32M DVI may require a software update from ATI for proper support.
Ghosting on VGA is caused by "echoes" on the cable, and may be the result of:
• cheap cables or
• broken wires in the cable or
• badly shielded cables wrapped in a loop, rather than randomly arranged

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* http://www.apple.com/macmini/specs.html
Thunderbolt port with support for up to 2560-by-1600 resolution
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Ghosting: DVI+VGA monitor / G3 minitower / Radeon Mac 32MB RAM / OS 9

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