Batery problem my acer laptop batery is full charge and 2;30 minites raning use so oll pc batery is life lo my parches date is 14 april 2008 on this runing month so whats mode my batery home/office mode portable/laptop and presentation, always on,minimal power manegement,our max batery power mode witch mode me i chussen sir

as i do not know what laptop we are talking about here i asume its not a notebook
if it is the time is slightly lower (6-8 hours)
a normal lap top 10 - 12 hours.
some super batery laptops come with an own (long) guide how to keep the batery alive.

to keep the batery alive a long period of time charge it from 50% not when its at critical.

If u can take out the batery when you are using cable and its fully charged it also has a longer life time. or just take out the cable when its at 100% and recharge it when it gets to 50%

dont have your computer in the lap it can over heat the computer/batery and the lifte time gets even lower.

2 hours is enough for a battery to be completely charged...

Once the battery is charged you can remove the power supply and use the laptop till the battery drains up to 10% to 14%......
This will increase the life time of battery... If you keep on charging the battery continuously when using your laptop, then the battery life will be shortened very soon...
So charge and drain the battery properly... This will increase the life time of battery...

Time to buy and replace the battery. The life of a battery is approximately 2 years with numerous recharges it depletes the life. Often better to run it mainly on AC rather than to charge it and use the battery.

That is a known issue with that model of computer. The battery is not very good. I recommend taking it to a certified repair technician for an expanded battery.
My cousin has one and using windows 7 he gets about 20 to 30 minutes of battery life on average.

only when is charged ? or when batery is going Low ?
try to change for best performance not foe saving batery life option... should help

Finally I got it working again, after a lot of try's (just put the plug in for a few hours) the led was red again for a brief moment, then it starting to flash orange again.
I looked it up on a lot of forums, the problem is that the (old) bios doesn't charge the batery anymore when it is deeply discharged.
So I put the plug in and out for about 10-15 times , and the brief moment it is not flashing it's still charging. Until it is not deeply discharged anymore and then it is charging the batery like it did before.

But I still don't understand why it is not working without the batery inserted ??

batteries have a charge memory in the, when you purchase a new battery the best thing to do is to fully drain the battery before charging it up, this will tell the battery that it needs full charge, if you charge the battery before this it will only charge the battery to a certain percentage.
what you need to do now is find a way to fully discharge the batteries

kind regards

No sir, u can't set anything manual in that. Its a hard wired program and can't be re-programmed electronically.

if your brother computer is the same as yours try to use his batery on your computer and if your computer works that means your batery is bad if your brothers computer is not the same the adapter may not be the same and will not charge your batery so make sure about your brither computer to do the test or find the adapter for yours