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Showing posts with the label No POST

DV7 No POST & Blinking Lights

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This unit was thought to be a reflow and previous user or store overheats parts. So this cap that was to be seated on the South Bridge was sitting on the edge of it. Totally out of place. That is the primary reason I always look closely at the motherboard before attempting repairs. Parts get old, solder gets weak.

IBM Thinkpads No video, No P.O.S.T. Models T40, T41, T42

Advanced Notice:  I will be detailing the method on how to fix Thinkpads - No video No POST issue. This is a quite common problem with the T-Series. 1: The system lights up but nothing shows up on the LCD 2: Nothing shows up on an external monitor 3: Hard Drive does not initialize. What makes my method so much better? You do not have to totally disassemble the whole laptop  (a major time killer). Only need to remove keyboard, and wrist rest. You will not misplace screws and use the wrong screw holes! Following directions it will work the first time! So if you don't have the readily available items here is a brief list to get them ahead of time. Heat gun , similar to those used to heat shrink insulation on wires.    At least 500 watts I got mine at Harbor Freight  and used on LOW Radio Shack Paste Flux $6.99 (mentioned in another section of this blog) Two pieces of thick aluminum foil 4" x 4" (10cmx10cm) .     This it to make ...