Battery fault analysis and diagnosis

We found that the battery(such as DELL XPS M1530 Battery) can not charge, and charging indicator light, flashing red lights three times, look at the green light flash, which is that the battery(Dell inspiron 1525 Battery) broken?We can be judged through the following steps.1. Connect the power adapter, boot, press F2 key to enter the BIOS settings, press Alt + P to "Page 5 of 7", the following diagram to see the red box as specified in "AC Adapter" is not displayed as "None" or "UnKown", if it is, then the motherboard or an external power supply problems at this time if the conditions can be exchanged an adapter test.

For the new machine (D610, D410, D510 and other machinery, bios battery state is the battery info on the following diagram)Dell XPS M1330 battery

If the BIOS were "AC Adapter" is not displayed as "None" or "UnKown", but the number of its power, such as 65W and so on, then the general board and there will be no external power supply failure, please check if the battery(Sony VGP-BPS8 battery) problem, Remove the battery, according to their indicator button, to see whether the battery indicator button is displayed as "1,3,5" state, that is, every other one lights. If so, then the battery is faulty. If all the lights are not bright, then you put the battery and power adapter plug into the notebook above, and then press the button on its lights to see if there are no bright light at this time.

If the conditions, take someone else's battery and power adapter give it a try, and in another test laptop above your battery and power adapter.