WA4320i-ACN无线AP怎么升级刷机？

10923008 bytes downloaded! Saving file flash:/wa4300_fat.bin The file is exist,will you overwrite it? [Y/N]Y............................. ............................................................................ ............................................................................ ............................................................................ ............................................................................ ............................................................................ ................Done. Set the file attribute failed! 为什么failed ？

文件wa4300_fat.bin成功上传，但是无法启动系统，这是为什么啊？请教大神

==========================<EXTENDED-BOOTWARE MENU>========================== |<1> Boot System | |<2> Enter Serial SubMenu | |<3> Enter Ethernet SubMenu | |<4> File Control | |<5> Restore to Factory Default Configuration | |<6> Skip Current System Configuration | |<7> BootWare Operation Menu | |<8> Skip Authentication for Console Login | |<9> Storage Device Operation | |<0> Reboot | ============================================================================ Ctrl+Z: Access EXTENDED ASSISTANT MENU Ctrl+F: Format File System Ctrl+C: Display Copyright Enter your choice(0-9): 1 Loading the main image files... The image does not exist! Loading the backup image files... The image does not exist! Loading images fails. Trying to get the IP address from the DHCP server...... 找不到系统文件？