Think about it! You created a short circuit condition and immediately lost ALL power. I have troubleshot and repaired lots and lots of circuit boards and from what you describe, it definitely sounds like a fuse is blown. PCB (circuit board) fuses can have many different appearances, so you have to take a more careful look at the board. Most circuit boards of this grade have markings (labels, usually colored white) to identify mounted components for locating purposes. For instance, resistors have the designation R, capacitors C, inductors L, IC’s are identified by U etc… The one we’re interested in is fuses, identified by F. These designations are followed by a number like R32, U12, C239 etc… but I won’t go into detail about the reason why as it’s unnecessary. Use a magnifying glass if you want, but you need to search on the circuit board for components with the F designation. If you find, say F8, then you know that there are at least 8 fuses on the board so you need to locate each fuse and then measure each with an ohmmeter/multimeter. Make some sort of drawing (a “map”) on a piece of paper showing the approximate location of each fuse you find and then go back and measure each of them. Use the beep function on your multi-meter for quicker analysis. A solid beep means it’s good. No beep sound means that it’s bad and needs to be changed. Now, removal and replacing the bad fuse is another matter altogether and if you do not have the know-how you should consult a specialist or someone who can help you (disclaimer).

posted by 193.163....

• Laptop Gives it up this am, dtechakacheaptech, Mon, 5 Jan 2015 07:34:57
  • Battery Supplies, Brian in MA, Tue, 6 Jan 2015 15:10:42
  • Re: may be pretty easy to fix, Tom G , Mon, 5 Jan 2015 19:42:07
  • Re: You obviously blew a fuse..., Street, Mon, 5 Jan 2015 13:24:11
    • I doubt there are any fuses., dmz789qqq, Tue, 6 Jan 2015 11:08:50
      • Re: I doubt there are any fuses., dtechakacheaptech, Tue, 6 Jan 2015 13:53:28
        • Re: Of course you blew a fuse..., Street, Thu, 29 Jan 2015 10:51:09 <-- Viewing This Message
      • I doubt there aren't any fuses., Bill Homer , Tue, 6 Jan 2015 13:02:16
    • Re: You obviously blew a fuse..., dtechakacheaptech, Mon, 5 Jan 2015 15:06:04
    • Re: You obviously blew a fuse..., dtechakacheaptech, Mon, 5 Jan 2015 14:47:06
  • This should not have happened., dmz789qqq, Mon, 5 Jan 2015 09:49:15
    • Re: This should not have happened., dtechakacheaptech, Mon, 5 Jan 2015 10:02:17
  • Re: Laptop Gives it up this am, AdamSAAB2kAero , Mon, 5 Jan 2015 08:38:37
    • Re: Laptop Gives it up this am, dtechakacheaptech, Mon, 5 Jan 2015 10:51:59
    • Re: Laptop Gives it up this am, ELaw , Mon, 5 Jan 2015 09:19:06

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• Prev by Date: Re: +1 n/m, Street, Thu, 29 Jan 2015 10:32:12
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