У вашего броузера проблема в совместимости с HTML5
iLO 5 firmware update procedure is easy and takes less than a minute. See the link below. It does not require you to reboot the server, but it will reset iLO. The system ROM can be also updated through the same procedure.
iLO5 firmware: https://support.hpe.com/hpsc/swd/public/detail?sp4ts.oid=1010145741&swItemId=MTX_e4766879dd2e46369d8eb097fd&swEnvOid=4184