# Em7511 No Internet Access **URL:** https://forum.sierrawireless.com/t/em7511-no-internet-access/34741 **Category:** MC/EM Series **Created:** [April 23, 2025, 1:31pm UTC](https://forum.sierrawireless.com/t/em7511-no-internet-access/34741 "2025-04-23T13:31:41Z") **Posts on this page:** 1 **Showing post:** 8
### Author: ![aby878a](https://avatars.discourse-cdn.com/v4/letter/a/b5ac83/32.png) [@aby878a](https://forum.sierrawireless.com/u/aby878a) #### Post date: [May 27, 2025, 12:30am UTC](https://forum.sierrawireless.com/t/em7511-no-internet-access/34741/8 "2025-05-27T00:30:59Z")
I’m using windows. The APN should be correct. AT!entercnd=“A710” OK AT!usbcomp=? !USBCOMP: AT!USBCOMP=,, - configuration index to which the composition applies, should be 1 - 1:MBIM USBIF, 2:PCIE USBIF, 3:Legacy-Generic, 4:RNDIS - DIAG - 0x00000001, NMEA - 0x00000004, MODEM - 0x00000008, RMNET0 - 0x00000100, MBIM - 0x00001000, e.g. 10D - diag, nmea, modem, rmnet interfaces enabled 1009 - diag, modem, mbim interfaces enabled The default configuration is: at!usbcomp=1,3,10F OK AT!USBCOMP? Config Index: 1 Config Type: 1 (USBIF) Interface bitmask: 0000100D (diag,nmea,modem,mbim) --- _[View the full topic](https://forum.sierrawireless.com/t/em7511-no-internet-access/34741)._