My HTC wont stay on unless its connected to my laptop

Question

HTC One M9

The third-generation HTC One smartphone which was first released in March 2015. Its major revisions on the M8 design include the octa-core Snapdragon 810 processor and a 20-megapixel rear camera.

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Kristin Konidaris @kristinkon74433

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投稿日: 2015年9月1日

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My HTC wont stay on unless its connected to my laptop

Hey there i have had my 'HTC one' since it came out but 6 months later i had cracked the screen which was ok cause it still worked but then i accidentally dropped my phone in the bath (don't ask; all i wanted was a relaxing bath with music.....that didn't happen)

Now after abandoning my phone for a year i have recently turned it on and noticed that it can work but only when its plugged into my laptop. Also it wont charge at all, their is just a small flashing light in the top right hand corner of the phone...I am assuming their is no point in fixing this but wanted an honest and professionals opinion before i throw it out, seems like a waste considering iv just paid it off :'(

Thanking you kristin

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oldturkey03 @oldturkey03 評価: 781.3千 1.1千 892 2.3千 · Answer 1 · 2015-09-01T04:35:46-07:00

Kristin Konidaris, the major issue you will run into is corrosion damage. The very first thing I would do is to disassemble it by following these guides Take a careful and close look at all components and connectors. Truly assess the damage. Look for major corrosion, evaluate the pins in the connectors etc,. Take a look at all connectors as well as cable ends. After that I would suggest that you clean it a couple of times in sterile water, not drinking water Use a soft brush and clean it very, very thouroughly with the sterile water. With the amount of corrosion that I envision, you will most certainly have to remove all the EMI shields. Once you got the gross contamination cleaned, use 90%+ isopropyl alcohol and clean your parts some more. For a proper cleaning, use this guide. It was written for a Apple iPhone 3G but it is still pertinent to your phone as well. I can not stress the importance of a good cleaning enough, so do it over and over while replacing the alcohol after each cleaning. Do not use compressed air for the cleaning since that can drive liquid as well as corrosion particles into areas that will cause trouble later on. Do not use drinking water, if you need to use water, use sterile water. Isopropyl alcohol in the higher concentration will evaporate quickly and dissipate the water. The importance here is the cleaning. Do not forget to Replace the battery. This is a must and not an option. It will fail if you do not take care of it now. Keep in mind that water damage is the hardest to troubleshoot and to repair. Hope this helps, good luck.