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Old 11-28-2013, 10:37 PM   #1
c.hegge
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Default Lightning-cooked motherboard repairs

What I've been finding lately is that, 9 times out of 10, lightning hits actually come through the phone line, and not the power, and I have successfully been using the following method to repair affected motherboards. I used some Aluminium foil around the board to shield it, with a small hole in it above the Ethernet controller. I then proceeded to heat up the exposed Ethernet controller IC with a hot air gun for a good minute or so, and then I was able pry it off with a flat screwdriver, and clean up any excess solder from where the IC once was with my soldering iron and de-soldering braid.

So, the only problem is that the Ethernet controller IC shorts as a result of the spike, and prevents the board from starting. The three boards I've done it to all seem to work fine with the Ethernet controller IC missing (minus the onboard Ethernet, of course)

My most recent save with this method is a Gigabyte GA-Z77M-D3H-MVP. I'm considering getting a 3570K or 3770K CPU and updating my main rig with it. Not bad for a freebie motherboard, if I do say so myself
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Last edited by c.hegge; 11-28-2013 at 10:46 PM.
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No wonder it doesn't work! You installed the coils backwards!

Main PC: Core i7 3770K 3.5GHz, Gigabyte GA-Z77M-D3H-MVP, 8GB Kingston HyperX DDR3 1600, 240GB Intel 335 Series SSD, 750GB WD HDD, Sony Optiarc DVD RW, Palit nVidia GTX660 Ti, CoolerMaster N200 Case, Delta DPS-600MB 600W PSU, Hauppauge TV Tuner, Windows 7 Home Premium.
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Old 11-29-2013, 01:25 AM   #2
Gabriel Torres
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Thanks for sharing!
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Old 11-30-2013, 02:34 PM   #3
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Thats cool

I could agree the phoneline/lightning prob but in my case its long time ago and always killed my modems (had no router) and never my mainboard/NIC
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Old 11-30-2013, 11:40 PM   #4
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In many cases, it kills both the modem router and Ethernet controller, but I have seen a few times recently where the router survives, but passes it on to the Ethernet controller.
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No wonder it doesn't work! You installed the coils backwards!

Main PC: Core i7 3770K 3.5GHz, Gigabyte GA-Z77M-D3H-MVP, 8GB Kingston HyperX DDR3 1600, 240GB Intel 335 Series SSD, 750GB WD HDD, Sony Optiarc DVD RW, Palit nVidia GTX660 Ti, CoolerMaster N200 Case, Delta DPS-600MB 600W PSU, Hauppauge TV Tuner, Windows 7 Home Premium.
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