Why is my battery light flashing red on my Dell precision m90?

John Temme

New member
its flashing red four times then green once. its like the battery is dead but i have it pluged in. also when i unplug it the computer goes dead right away. just turns off and it never has to wait for windows to turn off or anything. is my battery toast, do i need another one??? and if i do how much are they
 
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