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  1. castiman

    UI2L motherboard - Help to find short circuit

    Hello, I have this motherboard UI2L, DAUILMB60C0 REV: C. On the forum I found only this schematic, https://vinafix.com/threads/quanta-ui2h-schematic.27034/, that refers to the UI2H version, can I refer to that schematic for mine or are they different? I bought this card as used but it arrived...
  2. castiman

    DVR DS-7108HQHI-F1 / N does not turn on

    Hello, since there is no DVR section, I thought of creating a new post in the portable repair section, I hope there will be no problems. After a strong overvoltage the DVR in question stopped working, opening it I noticed that a component (a capacitor) burned down. Does anyone have a...
  3. castiman

    Acer Z1-621 USB not working

    Hello all, I have this AIO, the motherboard have 3 usb ports, two of it have power but no data connection, the other does not work at all (hasn't worked for a long time) I tried to remove the USB port, maybe, in short circuit, but the others still don't work. This is the motherboard: Model...
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