Win 7 (Sony Vaio) Battery Doesn't Charge

I have a Sony Vaio VPCEB11FM notebook with Win 7 64 and suddenly the battery doesn't charge. During shutdown, Win 7 was installing updates and before it was done it went off.
After that Win 7 doesn't recognize the ac adapter plugged in and the battery doesn't charge.
The updates downloaded are not running or installing.
I have tested the ac adapter and battery on a laptop exactly like my one. And it worked just fine.
There are no updates available for battery from manufacturer.
The charging light is off when i plug the ac adapter.
The laptop works without battery, but plugged in ac adapter.
Plz, helpppppppppppppppppppppppppppppppppp...

I've had a number battery problems to do with rapid
discharging and not charging properly - the batery was nearly new and previously had 3 hours life before an update ... Sony Support
have been worse than useless ... In case it helps (given that your problems started after your Windows 7 update) - my
problem was not the physical battery (or BIOS or drivers or a number of other things I checked) but the Sony VAIO battery management software which stopped working after I installed the 64-bit Windows 7 update Service Pack 1 (SP1).
There may be no harm in just trying to re-install the Sony VAIO Battery Checker software - it worked for me ... To do this, run
the VAIO Care Recovery and Restore programme (from the start menu), use the Recovery option  - Reinstall Applications and Drivers – and re-install the Battery Checker
(tick the check box option).
Hope this helps :)
Here's the full detail of what happened to me in case others have similar problems:
Warning to all 64-bit Windows 7 users:  Do NOT install Windows 7 SP1 !!!!!   If you do and
the Sony VAIO battery management software ruins your battery, Sony Support won't replace it but blame Microsoft instead.
After I installed the Windows 7 update for SP1 my battery performance died - the battery would
discharge from 100% to zero in only 52 minutes
(it was nearly 3 hours before installing SP1).  In a specific timed test for Sony Support the battery took 47 minutes to discharge to 50% and then rapidly discharged from 50% to zero in the following 4 minutes.  In
all tests I performed the machine did not ‘turn off’ but crashed as if the battery had been ripped out, prompting a safe-start by windows each time.  From zero charge, the battery was re-charging to 100% charge in about 20 minutes.
Sony Support were useless, so I started to read many technical discussion forums online and found that hundreds of Sony users
have the same problem with battery performance with no solution.  Many discussions online have led back to a wrong idea: that the Microsoft Windows system drivers –
battc.sys and
compbatt.sys – used for Microsoft Composite Battery management are too old to be 64-bit versions.  This idea is because the Microsoft driver information
displayed in the Device Manager window shows a driver date of 21/06/2006, before Windows 7 64-bit was deployed.  However the actual hidden driver files in the Windows System folder (version 6.1.7) are dated 14/07/2009 and are indeed 64-bit versions. 
I found this after I spent hours looking for new versions of the drivers and when I couldn’t find any mention, let alone new versions, I then checked the actual file properties myself and discovered the Microsoft drivers are fine (even though there is
a Microsoft Windows 7 error displaying the date using Device Manager).  Similarly, a number of people have updated their BIOS with no change to the problem (so I'm leaving that alone).
I then investigated other ideas – and eventually checked that the version of VAIO Power Management and Battery Checker
VAIO (part of the Sony Notebook Utilities exe) for my machine (VPCEB3C5E).  The latest versions I could see online (Sony sites) all appear to be the same versions as those already installed on my machine. 
However, I tried one final, simple action and it fixed my machine:
I used the VAIO Care Recovery and Restore programme
(from the
start menu),
selected the Recovery option – Reinstall Applications
and Drivers – and re-installed the Battery Checker (check box option).
This fixed the problems with the battery management
where the machine suddenly crashes without adequate warning when the battery is discharging. The
battery now shows a steady discharge from 100% down to zero (remember, before it discharged quickly down to 50% and then from 50% to zero in the last 4 minutes). It also charges back up at a steady (safe) rate rather than rapidly.  
Unfortunately, my battery is now damaged but Sony Support do not want to know.  In
the several weeks while the Sony software was not working properly the battery had been rapidly re-charged, over-charged and is now damaged. 
The previous battery life of over 2.5 hours in normal use (let alone test conditions
doing nothing) has been reduced to less than an hour since the 64-bit Windows 7 SP1 installation.
cannot still be fully correct with the Sony battery management software because the
battery health status in the
VAIO Control Centre is still displaying
So Sony Support will not replace the battery, even though previously they contradicted themselves by saying I had to run industry standard tests - now when the tests show the battery is faulty Sony then go back to relying on
software that was the cause of the problem.  Unbelievable !!!
Moreover, the Sony European Support guy escalated my case (5568077) and the response he got was this is a Windows 7 issue and
not a Sony problem ... Therefore, should I ask Microsoft for a new Sony battery even though it was the Sony software at fault?  Even more unbelievable by Sony !!!!!!
So, all Sony VAIO Users - don't install Windows 7 SP1 and expect Sony Support to help.  
Most of all - when the Sony VAIO battery management software ruins your battery, don't expect Sony to replace
And now for a bit of a rant to make me feel better ... This was the first time I've bought a Sony - I've had dozens
of Dells over the years but thought I'd try a VAIO for a change ... Given my recent experience guess what my next machine will be?  Sony may be making a small financial loss since the Tsunami and online PSP gaming / hacker problems, but with service like
this their VAIO losses will also be significant in the future - Sony just don't get that customers pay for and expect service when we buy a machine ... Idiots!
Cheers RB, England

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