Laptop Repair - How to Check Out a Defective Mains Charger
If the charger doesn't work then the laptop battery pack will ultimately discharge if you turn on the laptop. If the charge warning lamp on the laptop fails to illuminate if you link up the battery charger to the electric outlet and the laptop, and then no energy is getting to the laptop then this charger may be defective. You will find commonly three parts to the battery charger, any one of which can and from time to time do stop working.
One of the most obvious steps would be to switch the mains plug fuse and verify that the electrical wires are securely connected inside the plug. Various countries have various electric systems so yours might not have a fuse. Additionally, if the mains plug has at anytime been changed, then it may possibly happen to be hooked up incorrectly so should also be examined carefully.
The mains wire should be carefully checked out making certain that it has no breaks or bumps. Check primarily at the ends by simply carefully twisting the wire and making absolutely sure that the insulation hasn't started to come away from the wire. If there is any chance that the plug or cord is defective or defective it need to be swapped out for safety reasons.
The laptop battery charger alone seldom fails and might only be identified by substituting an upgraded, on the other hand, the low voltage lead and connection quite frequently go wrong. Study extremely carefully where the wire connects the low voltage connector that plugs into the laptop; this very often breaks if the wire has been bent sharply. When you attempt moving the wire really slightly the laptop might switch recharging and not charging. In addition check out where the low voltage cable exits the battery charger, this can frequently stop working at that point especially if the cable is regularly wound all around the charger pack. Regrettably, if the reduced voltage cable or connector connection is broken or cracked in any way then the whole battery charger will have to be swapped out.
If care and attention is used your laptop battery charger ought to outlast the laptop, nevertheless, if you wind up the lead frequently or you fold the cable sharply at any position then it will be certain to eventually stop working. Do not keep the battery charger constantly plugged into the ac power as this will waste power and lessen the life of the charger.