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Jan Dietz

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Posts posted by Jan Dietz

  1. If it is a '2TB' USB stick for 1,000 THB I can guarantee you it is fake. 

    Probably has a few hundred MB and a hacked controller chip. 

    Would explain not able to write more than a certain amount of data before the trouble starts, as the memory isn't actually there.

     

    There are tools available to check the real capacity, but my recommendation would be to chuck it.

     

    • Like 2
  2. It'll work fine, the charge and power circuits in the laptop itself are designed to work with ripple from the standard cheap AC brick. 

    Internally the main voltage will be 'mainly' used to top up the battery, so there it totally doesn't matter

    It will then go through a bunch of DC/DC converters to reach the internal working voltages of 5V, 3.3V and 1.8V or less for the CPU/GPU. 

    so plenty of headroom for a bit of ripple.

     

  3. With RichCor on this, a decent cable checker can tell you to the centimetre how far away the problem is (short or open)

    And if it has to be replaced and is in a conduit, got with Yellowtail's suggestion, no need to open up anything, just pull a fresh one using the old one, might need a little 'persuasion'

     

    Here are some samples of the test equipment you're looking for:

    https://megger.com/products/cable-fault-test-and-diagnostics/cable-fault-locating-equipment/time-domain-reflectometers

    • Like 1
  4. 370 sounds in the ballpark. 

     

    IIRC the initial tank was 2K (which you supposedly can get back if you ever return it, but don't count on it)

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