my laptop is Compaq hp 420. when I pressured power btton ,light on power button on for a second then off and laptop is not on.

Oct 16, 2018
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Compaq 420 laptop .when I pressured power button light on power button on for second then off and laptop is not on.when I insert charger then pressured power button ,light on power button not on.laptop is also not on.can any one help me
 
NOTE: Yes, I know some batteries are not so easy to get to, on some devices. However, it should be removable/replaceable. Unless it is under warranty, then you should contact the manufacturer first.


Try the following and see if it will turn on...

1. Unplug your charger cord.
2. Remove the battery.
3. Press and hold the "Power" button for 30 seconds.
4. Now plug back in the power/charger cord.
5. Now put the battery back in.

If this doesn't help, then test the power cord to see if it is good. Either try your cord in another device, or try another devices cord in your laptop. You may also want to try charging it when the device is off, rather than on. If it works then, the cord is probably the issue.

Should that not be the problem, then check the battery to see if it needs replacing.

If you do not feel comfortable doing this yourself, then I would try a local tech.
 
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