Last reply by 09-12-2019 Unsolved
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2 Bronze
2 Bronze

Dell Inspiron 17R 5737 dead after reverse polarity


i broke my AC adopter and used a similar one with 19.5 V and lower Amp than what was on the original adopter. unfortunately it had reverse polarity and as i plugged it in, my laptop died immediately. 

there was no smell or any thing but it wont turn on anymore. i have replaced the battery and also got a new AC adopter  but nothing works. it's completely dead

will replacing the power supply fix the issue or is the motherboard fried?

i'v searched the internet for a solution, some say just replace the power supply some suggest motherboard components need to be replaced. i'm not sure what to do.

thank you for your assistance.

Reply (1)
7 Thorium

Without a doubt a component or components on the motherboard have been damaged. Possibly a diode or fuse (they look like solid state components). The following links will explain more.

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