Hi Nho Whei,
W/o looking @ your laptop, sounds like your DC jack may need to be replaced 
or re-soldered or your AC adapter has gone bad.
Caesar

"Barry Watzman" <WatzmanNOSPAM@neo.rr.com> wrote in message 
news:458ea398$0$8944$4c368faf@roadrunner.com...
> Every laptop that I have ever seen (and I service laptops) will run just 
> fine without a battery installed.
>
>
> Nho Whei wrote:
>> On Sat, 23 Dec 2006 03:31:27 -0600, "BillW50" <BillW50@aol.kom> wrote:
>>
>>> "Nho Whei" <NoWEi@hotmail.com> wrote in message
>>> news:mmfpo2lfankh0tn18s4i4ekq1k6h2kccko@4ax.com
>>>> My laptop will not charge whilst in use - rather it discharges the
>>>> batteries, which must then be recharged with the machine shiutdown!
>>>>
>>>> In Device Manager I've disabled, uninstalled & (XP then automatically
>>>> re-instals & enables) the Microsoft ACPI-Compliant Control Method
>>>> Battery.
>>>> But still this annoyance persists.
>>>>
>>>> Any thoughts anyone?
>>>>
>>>> Forever hopeful ................... NW in NZ
>>> Will the laptop run on AC without the battery?
>> Not reliably. Curiously, the power light (with no battery installed)
>> does not seem to hold on as easily as it (this same power light) does
>> when a battery is installed. I've noticed that the second battery - in
>> the dvd dock - seems to be ignored at times. Sometimes shown as not
>> installed. Sometimes ignored also for chargin. I suppose I'm just
>> about convinced that it's a problem with the connections at the power
>> socket......
>>
>> Hrrummfff
>>
>> Cheers though!