dr wadd

Here's a puzzle that has got be stumped, and I`m sure someone on here will have the knowledge to be able to help me out.

I've recently upgraded my PC to XP from Win98. The graphics card is a Geforce 2MX, the monitor is a Iiyama S900MT1. The latest Nvidia drivers are installed and the display properties are confirming that the monitor drivers have been installed correctly.

This combination is capable of displaying 1600 x 1200 in 75Hz and always was happy to give me that option under Win98. However, now it has a tendency to drop down to 70Hz. I can give the system a nudge and kick it back up to 75Hz but it is quite annoying to have to do so. I've set the refresh rate overrides in the Nvidia control panel for this resolution to 75Hz but that doesn`t guarantee that the mode will run in that refresh rate.

Does anyone have any ideas as to what I can else I can possibly tweak to ensure that I always get my desired refresh rate.

Many thanks in advance for any suggestions.