Then I opened nvam.inf and added the below two lines where there are similar rows in the INF file. Then I went to C:\NVIDIA\DisplayDriver\186.03\International\Display (the path might differ when using a newer driver) which is where the files are unpacked when you run the downloaded driver.
In my case I looked up the hardware ID for my Nvidia GeForce 8400M GT in device manager and found out that is has the hardware ID “PCI\VEN_10DE&DEV_0426&SUBSYS_9005104D”. May I mention that this solution is not support in any way, but the important thing is that it works. The solution to install the Nvidia driver anyway is to download and unpack the driver from and then modify one of the INF files to make it support your video card.
#Win 7 how to install acer monitor drivers drivers#
If you did not already know it Nvidia offers drivers for many of its mobile graphics chipsets on but unfortunately these drivers do specifically not work on SonyVAIO machines. In all releases of Windows 7 up to RTM there has been a driver available via Windows Update for the Nvidia mobile card but this driver seems to be pulled from Windows Update (and Microsoft Update Catalog). The problem is that drivers for the video card for Nvidia mobile graphics chipsets is missing which means running with the feature lacking and slow Standard VGA driver. When I installed Windows 7 RTM on my Sony VAIO laptop I discovered the same problem as when beta testing WindowsVista some years ago.
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