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Kinsz
There are a large amount of laptop owners who struggle to determine if their laptop chargers need replacing or not. One of the first signal's that you need to replace it if when the battery starts draining out too fast. It's not that difficult to check if your laptop adapter needs replacing so usually there's no need to take it to a qualified engineer. Please read the steps below for other troubleshooting procedures:
1. It may sound silly but make sure your charger is plugged in at the wall. Test the outlet by plugging in another appliance. There's no need to check for any other issues if the charger is not getting power from the socket.
2. Try to run your laptop directly from your charger. This is one of the best ways to check if your laptop power supply is working or not. If your laptop does not run directly on the charger, it is likely to have some problem. In addition, laptop chargers can power a laptop without charging the battery. This is also an indication of a fault. Remember to wait for a few minutes to see any result after connecting your laptop to the charger.
3. If you've still not resolved the issue after the previous step, turn off the laptop and see if the laptop power supply chargers the battery. Even if this works it can still be a sign of a faulty laptop charger as will charge the laptop whilst it's off but not when it's switched on.
4. Take your laptop battery out and check it carefully. Closely inspect all parts of the battery and battery-case in your laptop. A corrosion or leakage of any kind in and around the battery-case or on the surface of the battery may indicate a laptop charge fault. Get your laptop power supply, charger, and battery tested by a professional as soon as possible in such a scenario.
5. If you have a voltmeter this is a very easy way to test to see if the laptop charger is functioning or not. Most laptop adapters are (AC) which means alternating current, you would need to set your voltmeter to 25 VAC. Connect the probes to the charging tip of the adapter and the check the reading. If there is not reading at all or the reading is lower than the specified amount than this indicates a problem.
6. If you own a Direct Current (DC) charger, you will need to adjust your voltmeter to 25 VDC. Bring the probes in touch with the contacts (as above) and check again. No matter what the reading on the charger is, it should read at least one volt more when you perform the test. If it does not show a reading higher by a margin of at least one volt, simply switch both the probes and perform the test again. All laptop chargers must be clean before they are tested with a voltmeter. You can remove dust and corrosion with the help of a cotton swab.
1. It may sound silly but make sure your charger is plugged in at the wall. Test the outlet by plugging in another appliance. There's no need to check for any other issues if the charger is not getting power from the socket.
2. Try to run your laptop directly from your charger. This is one of the best ways to check if your laptop power supply is working or not. If your laptop does not run directly on the charger, it is likely to have some problem. In addition, laptop chargers can power a laptop without charging the battery. This is also an indication of a fault. Remember to wait for a few minutes to see any result after connecting your laptop to the charger.
3. If you've still not resolved the issue after the previous step, turn off the laptop and see if the laptop power supply chargers the battery. Even if this works it can still be a sign of a faulty laptop charger as will charge the laptop whilst it's off but not when it's switched on.
4. Take your laptop battery out and check it carefully. Closely inspect all parts of the battery and battery-case in your laptop. A corrosion or leakage of any kind in and around the battery-case or on the surface of the battery may indicate a laptop charge fault. Get your laptop power supply, charger, and battery tested by a professional as soon as possible in such a scenario.
5. If you have a voltmeter this is a very easy way to test to see if the laptop charger is functioning or not. Most laptop adapters are (AC) which means alternating current, you would need to set your voltmeter to 25 VAC. Connect the probes to the charging tip of the adapter and the check the reading. If there is not reading at all or the reading is lower than the specified amount than this indicates a problem.
6. If you own a Direct Current (DC) charger, you will need to adjust your voltmeter to 25 VDC. Bring the probes in touch with the contacts (as above) and check again. No matter what the reading on the charger is, it should read at least one volt more when you perform the test. If it does not show a reading higher by a margin of at least one volt, simply switch both the probes and perform the test again. All laptop chargers must be clean before they are tested with a voltmeter. You can remove dust and corrosion with the help of a cotton swab.
About the Author:
Article written by Paul David & Michael Pattison from Which Laptop, one of the UK's leading supplier of Laptop Chargers.
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