Laptop computer power system is the important componet, only second tothe CPU and motherboard. Power system include power adapter,rechargeable battery and power management systems etc. Do not think thatthe power adapter is a high-tech products; in fact, laptop AC adapteris now a very mature technological products. Although the laptop poweradapter is not so complicated, but it also has a lot of problems. Justlike here below mentioned, they are all about the problems of HP 463958-001 AC adapter.
Laptop computer power system is the important componet, only secondto the CPU and motherboard. Power system include power adapter,rechargeable battery and power management systems etc. Do not think thatthe power adapter is a high-tech products; in fact, laptop AC adapteris now a very mature technological products. Although the laptop poweradapter is not so complicated, but it also has a lot of problems. Justlike here below mentioned, they are all about the problems of HP 463958-001 AC adapter.
Although power adapter is rare to fail, it is more trouble when youencountered bad power supply. Because in case you do not know whether itis the problem of laptop AC adapter, any new accessories you add mayburn out immediately. And you can not find the reason in short time.Here below on the list are some common maintenance methods of theproblems of laptop power supply.
Step 1: First, just jiggle the power adapter or notebook battery tocheck if they are in good condition; if not normal, try to reinstall thepower adapter or batteries. However, it is possible that the batteryelastic decreased.
Step 2: If the power or battery connector is good, you can measure the output voltage of the power adapter or battery, like dell adp-70eb adapter,just check whether the output voltage is stable, and if the actualoutput voltage is consistent with the nominal voltage by the powerdapter. In case the output is unstable, or the actual output is quitedifferent from the nominal voltage, you have to replace the damagedpower adapter or batteries.
Step 3: If both the power panel and battery are in good condition,�you must check whether the power board is normal. if not normal, it canbe replaced.
Step 4: After the above test steps, if they are displayed correctly,it show that the problem lie in notebook power board or motherboard, andyou have to open the laptop case here, and check if the power board andthe motherboard are in good condition.
Step 5: If you still can not find the problem, and the power boardand the battery are in good condition, chances are that there issomething wrong with the laptop motherboard or other main parts
