Need help, blew fuse! Tags: Power Supplies Laptops USB Power Components Last response: June 23, 2012 8:43 AM in Components Share ariej June 23, 2012 6:53:14 AM hi, i accidentally put the power jack into the usb port on my laptop, it popped and a little smoked came out, now the laptop wont come on??? what did i do and how can i fix it????? More about : blew fuse mbarnes86 a b ) Power supply a b D Laptop June 23, 2012 8:43:57 AM Hi most laptop power supplies produce 18 Volts to 20 Volts usb uses 5 Volts It looks like the the motherboard is damaged as the laptop will not switch on. Try removing battery (and power lead), pressing on button for about 30 seconds, replace battery and see if it will then switch on Only an expert can decide if the motherboard can be repaired or needs to be replaced. You probably need someone who specialises in your brand of laptop regards Mike Barnes m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedPSU blew house fuse Forum PSU broke after fuse blew CM GM 750 Forum 900w 32A PSU blew fuse on 2 x 280x's. Checked single rail but still.. Forum Power Supply blew house fuse Forum Hafler 9290 power amp blew line fuse Forum My OCed 7600GS just blew the fuse for 2 rooms and fried my Forum Tech: Left flipper fuse blew on 3 week old LOTR....should .. Forum Psu blew up NEED HELP !! Forum Psu blew up NEED HELP !! Forum Think motherboard blew need help! Forum Think GPU blew. Need help :) Forum Need Help. PSU Blew??? Forum SolvedHelp me find the fuse of this power supply Forum Blew fuses on my hard drives... is recovery possible/easy? Forum SolvedPSU blew up, help about warranty Forum Building new computer. PSU blew up because extra standoffs were left in behind mobo. Need advice please. Forum Do I need "reset fuse" to refill Samsung ML-2010 printer? Forum Do I need a 'reset fuse' to refill my Samsung ML-2010 toner? Forum Original Drive Blew Need Replacement Forum Motherboard blew please help choose replacement Forum More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !