Modem Driver File Double-click the new icon on the desktop labeled DELL_WIRELESS-5620-EVDO-HSPA_A08_R261407.exe. The Self-Extracting window appears and prompts you to extract orunzip to C:\DELL\DRIVERS\R261407. Write down this path so the executable (I.e.Setup.exe) file can be found later. The Self-Extractor window appears. Click OK. After completing the file extraction, if the Self-Extractorwindow is still open, close it. Click the Start button and then click Run. Type C:\DELL\DRIVERS\R261407 in the Open textbox and then click OK. Follow the on-screen installation instructions.