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The HP 15 laptop can be identified by the model number R263DX.

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Laptop not booting Power Led turn on then off

I have a hp notebook 15-ac152sab i simply Dissasembled it and reassembled it completely everything was working before and outside the original case but when i put it back together the power led turns on for 4-5 seconds then turns off i don’t think anything is damaged please Help!!

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Did you find that what's the problem in the laptop? I am facing same problem.

Model - hp 15 BS180TX

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No still stuck. Even with another power adapter it doesn't work do you have any clues to what could be the problem?

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Check your battery.

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I Used it without a battery for months before and had no issues I don't think that's the problem.

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Having same problem now it on the led light for 5 second then off

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Why is my laptop power on then after a few seconds off

Why is my laptop power on then after a few seconds off

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OK thanks I'll try to get my hands on a power adapter as mine was opening on its own so i suspect that's the Issue

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That issue is difficult to diagnose from here because it's impossible to see exactly what happened when you took the computer apart. In general, however, dissecting a computer without the proper equipment to protect it from ESD can cause it to malfunction. Electrostatic Discharge can cause damage to sensitive components that is microscopic in nature and undetectable to the naked eye.

Your best bet may be to take it to a technician who can run some diagnostic tests and see where the problem is originating. If the price for the repair ends up costing more than the laptop is worth, I would get a new one.

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Ok thanks but the 5 volt and 3v rails both work so i dont think i damaged anything

Thanks Anyway!

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@ibrahim1176

This is true for my situation too. Please help. See my new thread in this section.

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@rp12345 Right, so it's been several years I have touched that machine. Though I do remember that the my laptop somehow got worse. Upon troubleshooting I found the IC that is responsible for taking in the power adapter lines and creating the main rails for the system died!

The more I think about it, the power adapter was probably the issue,

Your condition describes a perfectly working machine simply getting not enough power. And the fact that *that* specific IC on my machine died, it's more than likely the power adapter was the issue. The final nail in the coffin? I checked the power adapter recently, and it doesn't work anymore!

Save yourself the trouble and try with a new charger, then proceed to dig in deeper, you don't want to break what's already working like I did. Good Luck!

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The laptop itself magically started working again after a few more cycles of disassembly and re-assembly. No clue how, but it runs now and seems to be back in good health. Didn't do anything differently between the times it failed to power on when reassembled and the time it just started working again, but it works now.

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@rp12345 Good to hear!

I guess they just do that.

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Well you can try this fix Remove battery and charger. Press and hold the power button down for 30 seconds to release residual power from circuits. Plug back in charger to try to start up.

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M Ibrahim 将永远感激不已
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