ostc mkII screen dead

[fabrizio]

I bought a mkII beginning of the year last week I did a 'dipping everything worked fine the next day ready for a new dive the mkII will not turn on thinking it's a battery problem mkII connect to the pc seems ok I have the orange light flashing and I access all the menus but as I take off from usb 'mkII turns off and no sign of life.
what can I do?
thanks

[Solodiver]

You can replace the battery by your own (on the MKII).

HTH,
Jan