We have a CSACSE with version 4.2 that doesn't boot. The error is "Reboot and Select proper Boot device
or Insert Boot Media in selected Boot device and press a key". Actually it happened to first to our existing primary CSACSE then after rebooting for many times the error changed to " a disk read error occured press ctrl+alt+del to restart" and ever since it didn't boot successfully again. So we proceed to RMA the device then once the replacement arrived we tested it first so it booted successfully. Now when we installed it again same error occurred " Reboot and Select Proper boot device". Then after so many times we booted it, it booted successfully again without doing anything on the hardware. So we successfully installed it. After two days the CSACSE management IP can be ping but can't be accessed through gui and the AAA access is not working on it hence the AAA was diverted to it's secondary ACS. Since we can't access it both on console and web browser we try to reboot it, and unfortunately we got same error again " Reboot and Select proper boot device". It seems that the hardisk are not detected during boot process. Hope you guys can help our problem. Thanks!