1, after boot, appear the dell logo, according to two F10 (in front of the other models appear to F10, send R720 predecessors and press F10), enter the lifecycle controller self-checking interface,
2, selected on the left side of the "Hardware Diagnostics and Hardware Diagnostics", then click "Run the Hardware Diagnostics" Run Hardware Diagnostics, warning can skip, encountered an error to choose "yes" to continue running test, probably a few minutes to complete rapid detection;
3, the test is done, you can click on the Results, see the test Results, the test Results can be seen in the corresponding Error Error Code;
4, in dell's official website inquires the corresponding error code, and provide solutions to deal with problems, according to official address is as follows:
https://www.dell.com/support/manuals/cn/zh/cnbsd1/poweredge-r940xa/server_tsg/psa-%E5%92%8C-epsa-%E8%AF%8A%E6%96%AD%E7%A8%8B%E5%BA%8F%E9%94%99%E8%AF%AF%E4%BB%A3%E7%A0%81? Guid=guid - 9 afeed67 - afd a47c - 4-83 d8-04301 ebf3523 & amp; Lang=useful - cn
Statement: due to deal with the problem when some pictures did not retain, shown in part I above pictures to reprint, for the first time to write CSND document, deficiency in elder give advice or comments please,