Just download the latest VIDEO_DRVR_WIN_R224774.EXE driver file , then install it and fix your computer's problem. If you need to download another drivers, you can use Driver Updater software to help you.
Download driver file: VIDEO_DRVR_WIN_R224774.EXEDriver Information Of VIDEO_DRVR_WIN_R224774.EXE
|Driver File Size:||71.35M|
|Systerm:||Windows Vista (32-bit)|
|Device:||nVidia NVS 420, v.22.214.171.12499, A07 Fixes a display flicker problem found during memory qualification|
1: Download this driver from Dell-Driver.com to your local computer disk.
2: Find this driver, follow the guideline to install it, update it to get the perfect computer preference.