When the adopter light is blinking. when the net-book is turned off means that is charging, but if the light remains for a lobg period of time there is something wrong with the battery or the charger.
Here is small tool Imtec Battery Mark
designed to test the battery laptop life
. You can run laptop battery test in two modes (fast and normal) and Imtec Battery Mark will provide full assessment of your Laptop battery
at the end of test.
The dead battery charger means the charger can not work : can not charge the laptop battery
or can not run the laptop. When our laptop battery can not charge, we
must check the battery and charger state. Now let me list the steps of
test our battery and charger below.
Make sure the powerbook g4 battery
charger cable is plugged in and the output is to power.
Look closely at the battery. Is there corrosion or leakage? If so, replace the inspiron 6400 battery
Test the charger. For DC chargers, a voltmeter set at 25 VDC and touch
the contacts with the probes. The meter should read about more than 1 V
Evaluation of the shipper. If the reading is zero, change battery
Testing a AC charger through the establishment of a voltmeter to 25 VAC.
Tap the contact probes. The transformer in the charger is bad if you
get no reading.
Check contacts. These are strips of metal or points in the appliance and
charging cradle. With the batetry charger unplugged, clean with a
cotton swab. Use a fine emery board to remove visible corrosion.