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If we spent a few thousand dollars to buy a  HP laptop , but do not know what the reason that laptop strike, how to do? If it is possible to determine the initial power problems, you can more accurately determine the power through the following methods where the problem? 1. Check the HP HSTNN-CA27 AC adapter indicator light, if the indicator light, generally think there is no problem from the power to the HP HSTNN-CA27 adapter, you must ensure that the light itself is not damaged. 2. Check whether the HP HSTNN-CA27 power adapter to the computer is power.This can be indicated by the notebook's indicator light, when the HP HSTNN-CA27 power is charged to the laptop, that charging indicator light will be bright, otherwise it will not light.or Find a same brand of power adapter exchange Try the same brand of power adapter with your HP HSTNN-CA27 power adapter laptop, if the other computer is working properly, then your HP HSTNN-CA27 power adapter is no problem ...

If you accidentally broke the  HP HSTNN-DA12 AC Adapter . How do you safely buy the right HP replacement adapter ? There are some points that you need to know. After know about these point, you will avoid buying the wrong adapter.  You need know your HP laptop's model number The laptop number is the unique number which is located on the bottom or on the side of the HP laptop computer. You can also check the user manual or search the computers built- in help program for the model number.The laptop's system's properties will have the laptop model number. You need to find HP HSTNN-DA12 adapter wattage requirements After find your HP laptop model number,you also need to find out the voltage requirement for the concerned adapter. HP HSTNN-DA12 Adapters have different voltage outputs and using the wrong HP laptop adapter can damage one's computer. Check the user manual for voltage requirements for the HP laptop. The output voltage is normally listed a...