My laptop screen black but my power button still on
i want to ask how i want fix my laptop presario CQ41 because my laptop screen black but my power button still on...so how i want to fix?
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@shera that could be caused by bad LCD screen. Attach an external monitor and see if that displays properly. Let us know what you get with that.
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Try getting a new charger or getting the charger panel replaced.
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Technical Difficulties why would you suggest to replace the charger if you have not explained to the OP how to test it? What do you refer to as the "charger panel"? This laptop does not have a single part that is referred to as a "charger panel", so nobody will know what to look for.
Your answer is somewhat misleading due to your terminology and not very helpful with the diagnosis or repair of this issue.
Charging port. The thing that you plug the charger in. Whatever. Has charging in the name.
you can also check your RAM whether it has been damage
Update (05/02/2018)
I also have the same issue with your own but later changed my RAM , everything come back to normal instantly .
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My laptop screen still on black colour and in every 5 seconds my laptop turn off and then turn on then it continue cycle until I remove the battery and insert it again
par Lakshya Acharya
my leptop repir
par Chunibhai Bamaniya
yes my leptop repir please video
par Chunibhai Bamaniya
@chunibhaib96814 You haven't given us enough information about what's going on with your laptop for us to be able to help. Is this the same laptop as the original question (Compaq Presario CQ40), or a different one?
What exactly is going on with it? What is it doing or not doing that causes you to think it needs repair. Be descriptive; the more information you add, the better the translation and the more likely it will be that we can help.
par Jerry Wheeler