Having problems with your HP Compaq nx7400 Notebook ?

Battery power died and the power cord will not charge or trun on the computer

\015 The battery died and the power cord is not charging the battery or allowing it to power up\015

Answers :

When you plug in the adapter into the laptop a LED lights up to indicate that it is connected to the mains supply and is charging.
The adapter is faulty or the connector is not making proper electrical contact. Wriggle the connector plug to see if the charge light comes on, if it does then the loose connector needs repairing.
\015\012
Check the adapter with a multi-meter, the voltage reading should be a slightly higher than the voltage that is printed on the label on the adapter. If the voltage is more than 10% below the nominated voltage then replace the adapter it is faulty.
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