Here are a few steps you can take to diagnose and possibly resolve the data usage issue on your wife's Win 7 64-bit Compaq laptop: 1. Task Manager: - Check Task Manager for background processes consuming data. Look for any unusual or high network usage by processes. - Sort processes by network usage to pinpoint any resource-intensive applications. 2. Resource Monitor: - Use the Resource Monitor tool to get detailed information on which processes are utilizing network resources. 3. Windows Update: - Ensure that Windows Update is not set to download or install updates during that time. Check the Windows Update settings in Control Panel. 4. Browser Extensions: - Review the installed browser extensions or add-ons...