Helix Tablet battery problems - invalid, 0%, not charging, battery error

Still having problems....
I was hoping someone at Lenovo/ IBM could help me...
I am unable to register a service request online.
I have found the Lenovo website very difficult to use and there does not seem to be anybody to contact by email.
Product: Lenovo Helix: 36971A1
I have done a lot of research about this - I have read all the Lenovo help forums and have thoroughly been through their websites to try and resolve this issue but alas no luck. ...
I have a battery issue - I realise that this has been written about extensively but like I said none of the methods suggested (i.e. software updates, BIOS update, uninstalling drivers etc) has solved my problem.
I purchased my machine in June and up until 3 weeks ago it was working perfectly. But now...
In short, the tablet part of my Lenovo Helix seems not to charge. Also Lenovo Settings app sems to have changed - now no option for maximising battery or to fully charge like people have been mentioning. I simply can't find this option anymore.
-Computer seems to only run on battery from the keyboard dock
-Once seperated from the keyboard dock, the Tablet section (having been plugged in to power point for hours only lasts about 30mins)
-Battery level for tablet shows 0% plugged in - not charging
-Keyboard dock seems to charge fine and shows true battery power level - charges to 100%
-Once separated tablet part only works for short period before it dies, (turns off after around 30mins)
-Every time computer is turned on, power settings icon displays saying : "there is a battery error"  click here for replacement"
-Lenovo Settings and Companion app say "battery is invalid"
-Last few days only - Lenovo Setting - as well as not displaying battery condition for Tablet only a -, is now also saying -Battery 1 was completing discharged and needs to be recharged. This may take ten hours or more.
-When plugged in for a long period Lenovo Setting App shows power status at 50% and second battery attached
- I tried charging over night for at least 10 hours, no luck.
As I said the keyboard dock seems ok, problem seems to be with tablet battery or software  ????? .
I would appreciate it greatly if someone could please respond and offer some help. Perhaps the problem can be solved remotely as I am not keen on sending my computer to Madrid to get fixed - I am worried I would be without my computer for weeks.
Thank you in advance

hi, I'm exactly similar problem.  it is really annoying. I have sent it to service centre once, they simply don't know and just reset the unit by pressing small hole at the tablet, the they do full recharge.  some how it works.
later, at the same day occurred again and I tried replicate same process but no luck. then I follow instruction from one of the suggestion in this forum, it solved. it was 2-3 mth ago.
now, after I upgrade to windows 8.1, the problem came back. all of this problem created from lenovo power management software together with their metro apps which setting what power management should do.
the real culprits when you have setup some setting, then you undock or dock the tablet.. so I believe the software got confuse between the current setting with two unit (keyboard and tablet) especially if you ever play around with setting to extend the battery life which the power management will allow the battery to be charged not more than 50%. what the bad idea ... may not so bad but bad execution...
we dont want this stupid geniuses ... we just want our unit working as when we purchase it. your latest driver is suck... big time... u should fire your engineer. .. pay 2k but got monkey ....

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