Install

1.Double-click the new icon on the desktop labeled R156778.EXE.
2.The Self-Extracting window appears and prompts you to extract or
unzip to C:DELLDRIVERSR156778. Write down this path so the executable (I.e.
Setup.exe) file can be found later.
3.The Self-Extractor window appears.
4.Click OK.
5.After completing the file extraction, if the Self-Extractor
window is still open, close it.
6.Click the Start button and then click Run.
7.Type C:DELLDRIVERSR156778 in the Open textbox and then click OK.
8.Follow the on-screen installation instructions.


It is highly recommended to always use the most recent driver version available.

Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.

Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.