xperia m not getting started

[qo]

I have disconnected my sony xperia M during software update and now it is not getting started & even not getting detected by sony pc companion

[_alexdon_]

Check out this:

http://talk.sonymobile.com/t5/Software-Updates/Things-you-need-to-know-before-updating/m-p/544709

How to properly install an update.Now,you should use SUS to repair:

http://www.sonymobile.com/gb/tools/update-service/