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Released March, 2016. Identified by model number: 15-cd040wm

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I spilt water, now the screen won't turn on

I spilt water on it this afternoon. Then I used it for about 10 minutes and then i restarted it with an update. It took ages so I left it to update but it might have run out of charge. Then I went to turn it on and It wouldn't work so I charged it for a while and then the light on the on button turned on but the screen didn't. It has been tiring itself on and off for about an hour. But the screen is still black. We tried drying it with a hair dryer but are scared if frying something. What should I do?

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Hi @hope_help

The impurities in the water causes corrosion and provides circuit paths for the electricity which were not in the laptop’s operating design and could damage the components. The corrosion starts immediately and is ongoing until it is completely cleaned away

First do not try to charge or to turn on your laptop and then remove the battery as soon as possible from the laptop to minimize any further damage.

Then you need to dis-assemble the rest of the laptop and clean all the affected parts using Isopropyl Alcohol 99%+ (available at electronics parts stores) to remove all traces of corrosion and water. If possible do not use "rubbing alcohol" as in some cases this is only 70% IPA or less, can contain additives and is not as effective. If you do have to use it check the label to verify the amount of IPA. The higher the percentage of IPA the better

Here is a link that describes the process. Electronics Water Damage

As always with electronics, especially surface mounted pcb be gentle when handling and especially when brushing away the corrosion. You do not want to remove any components from the board. Remove the shields that may be covering some components as the water may have got in there. The ends of any flex cables and their connectors need to be cleaned as well

Hopefully after you have done all this the laptop might possibly work correctly again.

Here are some repair links that may help.

HP Pavilion 15-cd040wm

HP Pavilion 15-cd040wm maintenance and service guide

If this process seems too daunting, take your laptop to a reputable, professional laptop repair service, experienced in liquid damage repair and ask for a quote for a repair. If you decide to do this, do it sooner than later.

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typically when you spill ANYTHING on an electronic youd wanna remove power as quickly as possible.

leaving the water in the keyboard for it to continue to make its way to more important components could be a problem.

what you could try is pulling hte battery (if you havent already) and open it up completely and loook for any corrosion. if not then take some alcohol the high % the better and basically douse the entire PCB and let it dry. the alcohol will force the water out of nooks and crannies so it can properly dry. and then reassemble.

HOPEFULLY this will help fix it.

if you dont feel comfortable doing this youll have to send it to a repair store to see what they can salvage.

tip for next time which hopefully wont happen again.

if you spill something on an electronic IMMEDIATELY remove power from the device. whether it be pulling the batter or atleast turning it off.

do not put devices in rice…. it wont help lol itll only get rice in areas you dont want it!

instead try some desiccant and or try leaving it by a heat vent in your house some where for a day or 2.

i hope this helps! good luck!

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Hope sera éternellement reconnaissant.
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