Tip & How-To about Dell Inspiron 1521 Laptop

No power on

Hi , i have a motherboard from a dell inspiron 1521 , i payed for a mostly complete base as i needed the case for a cracked 1520 case , anyway the motherboard had a short in the board because when you plug a power adapter in the green led would go out and no blue leds on the mb would show , i decided to have a look at the mb but did not see anything of interest so i connect 1 lead of my meter to ground the other probed around the power supply parts of the mb , did not find much until i came to part of the edge near the heatsink , there are 2 small smc caps marked (pc135) and (pc27) next to (fl6) if you put the meter across these 2 caps you get about 0.1 ohms , i did not no which was faulty so removed both and rechecked across ware they were the meter now says 23meg ohms and when i plug in the adapter i now get a blue power light .

I hope this helps some one .

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