Before downloading anything, you must identify which wireless card is inside your specific F500. Compaq used at least three different manufacturers during the F500’s production run. Installing the wrong driver will fail, or worse, cause system instability.
If you cannot find a working driver, you can connect the laptop to the internet using from a smartphone. Simply connect your phone via USB and enable "USB Tethering" in your phone's settings to allow Windows 7 to automatically search for and download the missing drivers. HP COMPAQ PRESARIO F500 Drivers Download Compaq Presario F500 Wifi Drivers Windows 7 - Google
Updating the to Windows 7 often results in a "missing" wireless adapter. Because this series was originally designed for Windows Vista, modern drivers are not always listed on the official HP support site . If you cannot find a working driver, you