Laptop Starts and Shuts Off Within 5 Seconds

Feb 7, 2018
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Hello, I am in need of some help in repairing a friend's Acer Aspire E5-574 N15Q1. One of her kids spilled Windex on the keyboard and her husband used a hair dryer to dry it up. Then it would no longer start up so they asked if I'd take a look. I opened it up and cleaned every component with isopropyl alcohol, even the individual keys. I took the fan and heatsink off, cleaned, and reapplied thermal paste to CPU and GPU. I took out the RAM and wiped it down. Plugged the hard drive into my desktop and it spins up and its data can be accessed. I've replaced the CMOS battery. I cannot get this laptop to boot. I've switched the RAM between the two slots a hundred times, even tried a new RAM stick and it will not stay on for more than 5 seconds.

I have a feeling the motherboard is a goner. But before I told her the bad news I wanted to see if there were any other suggestions of things to try or look at?
 
Feb 7, 2018
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Oh they definitely tried to start it back up, several times. Replacements for this motherboard seem to be about $160. I was hoping to not give them this bad news!
 
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