Custom Resolution Utility (CRU)
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09-23-2015, 04:59 AM
Post: #1677
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RE: Custom Resolution Utility (CRU)
(09-22-2015 02:33 PM)rgcowie4D Wrote: I was wondering if the CRU would help in our situation. We are a school with new Geforce video cards under Win7, driving multiple displays in the classroom. One is a projector used with electronic whiteboards. The boards are calibrated to align the pen position with the projected image. Our problem is that, for any momentary interruption, the nVidia driver will re-configure itself and may choose a different resolution, thus changing the projected image alignment, and requiring re-calibration of the boards. I asked nVidia if we could lock the configuration to prevent this, they responded that the driver depends on the display EDID, and if that changes even for a moment, there will be a configuration cycle. Since we have multiple displays, it also depends on the combination of EDIDs. We use HDMI switches, and a switching event can trigger the driver. Could CRU help us to lock down a single configuration in this situation, to avoid nuisance changes? Thanks in advance for any & all help.I'm not understanding why the driver would choose a different resolution. It should use what was last set. Even if it didn't, I don't understand why you would need to recalibrate the boards instead of just changing the resolution back. Display detection is based on the EDID, so if you're using a switch, you'll have to set the resolution separately for each display. If you're using multiple displays at once, you might have to do that for each combination. The only way around that is to use a hardware EDID emulator between the switch and the video card so the driver thinks the same display is always connected. |
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