Cause: Windows 10’s USB Selective Suspend power setting cuts power to the E5573.
Fix:
Yes, absolutely. Do not pay for any "driver download" website. The drivers are either built into Windows, available via the device’s auto-run feature, or downloadable from Huawei’s official (but hidden) FTP archive. huawei e5573 drivers windows 10
This is often a DHCP issue. Open Command Prompt as admin and run: Cause: Windows 10’s USB Selective Suspend power setting
netsh winsock reset
netsh int ip reset
ipconfig /release
ipconfig /renew
Then restart your PC.