Question about Nvidia GeForce2 MX400 Graphic Card
I have NVIDIA Geforce2 MX 400 graphics card. But when installed the driver it is said that the driver is not digitally sighned. And when i am trying to update the driver, it is said that " No Nvidia Devices Found ". could you help me to Solve the problem
First, where are you getting your updated driver? If you go to Nvidia's web site, their driver pack I belive is digitally signed (and will support a large number of different cards). Be sure and get the latest driver from http://www.nvidia.com.
If the driver can not detect the actual hardware when it tries to install, there is a few things that can cause that. If your motherboard drivers are not correct, it can not detect hardware connected through the various expansion slots. For example, PCI devices may not be identified correctly if the PCI bridge drivers are not in place. Windows has some generic drivers it uses, but your motherboard may require specific drivers to handle cards properly.
First, I would find the web site of your motherboard manufacturer, and find the chipset drivers for the specific model of your motherboard. Even if you have done this already, it wouldn't hurt to see if there are updated drivers that may solve your specific problem.
Second, look for yellow question marks in your device manager. (one way to get there is to right-click on My Computer, select the bottom option - Properties, in the System Properties window that pops up - select the Hardware tab, then click on Device Manager). These are devices that Windows is clueless about. One is liable to be your display adapter. Find drivers for any other question marked items.
Third, go to Nvidia's web site and download the driver. I just looked, and it is not in their driver pack, but is listed under the legacy drivers (when selecting Product Type). For XP, there is a ForceWare Release 90 WHQL (version 93.71) and a beta version (ver 93.81). The WHQL version should be digitally signed, but not sure about the beta. Both of these are from 2006. There are no drivers for Vista.
If it still reports there is no Nvidia hardware, then there may be either some corruption/virus problems with the operating system, or actual hardware failure (bad card, etc). I would doubt bad hardware if you are already using it. If all else fails you could back up your data and try reinstalling the operating system. But that would be a last resort only. And a real pain.
Posted on Jan 13, 2009
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