topic Re: 4404 boot error, Bad data CRC in Wireless https://community.cisco.com/t5/wireless/4404-boot-error-bad-data-crc/m-p/821747#M189507 <HTML><HEAD></HEAD><BODY><P>Try to revert back to the backup image on the controller. If this fails, it's probably bricked and you need to replace it under smartnet.</P></BODY></HTML> Tue, 30 Oct 2007 12:16:56 GMT dennischolmes 2007-10-30T12:16:56Z 4404 boot error, Bad data CRC https://community.cisco.com/t5/wireless/4404-boot-error-bad-data-crc/m-p/821746#M189506 <P>HI,</P><P></P><P>i have a 4404 Controler and when it boots i get the error message,</P><P></P><P>Bad data CRC, i upgraded to OS 4-0-219-0 then 4-1-185-0 but now im getting the message</P><P></P><P>bzImage Image Integrity Check Failed (Bad Data CRC). Hanging</P><P></P><P>anything that i can do ?</P><P></P><P>Thanks</P><P>Dan</P> Sat, 03 Jul 2021 21:51:02 GMT https://community.cisco.com/t5/wireless/4404-boot-error-bad-data-crc/m-p/821746#M189506 alwpctdan 2021-07-03T21:51:02Z Re: 4404 boot error, Bad data CRC https://community.cisco.com/t5/wireless/4404-boot-error-bad-data-crc/m-p/821747#M189507 <HTML><HEAD></HEAD><BODY><P>Try to revert back to the backup image on the controller. If this fails, it's probably bricked and you need to replace it under smartnet.</P></BODY></HTML> Tue, 30 Oct 2007 12:16:56 GMT https://community.cisco.com/t5/wireless/4404-boot-error-bad-data-crc/m-p/821747#M189507 dennischolmes 2007-10-30T12:16:56Z