Dell 2408WFPb: multicolour vertical stripes

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  • Bowline
    Dell E6400 PT434 type Battery Charging Stuck at 1%. Battery Pinouts?
    by Bowline
    My question pertains to understanding the control circuity inside a Dell PT434 type battery used in Dell E6400, E6410 and other Dell notebooks?

    Does anyone have a circuit diagram for the inside of a Dell PT434 battery and/or a description of how the control lines work to control this battery?

    My reason for asking is I have a battery which I cannot get to charge beyond 1% in a Dell E6410 or E6400.
    The LED bar graph charge indicator on the battery shows one LED lighted when the info button is pressed.
    I have tried multiple different Dell power adapters. My Dell...
    06-11-2025, 10:13 AM
  • kotel studios
    Samsung LC32HG70QQUXEN - vertical and horizontal stripes across the screen
    by kotel studios
    Hi,

    Just now my Samsung LC32HG70QQUXEN monitor gave up on me. On cold boots I get many vertical stripes going across the screen (see the attached picture). After it runs for 1-2 minutes those go away but there are horizontal stripes going across the whole screen no matter of the input and PCs I use. (couldn't take an picture of it since the image size goes to 20MB and the camera doesn't pick them up)

    In a video about a 27" monitor with an similar issue the guy removes one resistor and supposedly the entire monitor goes back to life? For sure this fix is only temporary....
    08-06-2025, 02:07 AM
  • halen
    Hisense H55U7B vertical stripes
    by halen
    Hi all,

    I have Hisense H55U7B TV with no picture, only big vertical stripes. I did several tests and I'm not sure, where is problem.

    1. Connected tcon to 12V, white, red, green, blue, black picture visible in cycle on full LCD without error
    2. Connected only left side of LCD to tcon, big stripes
    3. Connected only right side of tcon, visible normal picture on the right. Working as expected.

    Where could be problem?

    Tcon RSAG7.820.7932/ROH
    Main board RSAG7.820.8698/ROH

    Jan
    06-18-2025, 03:58 AM
  • ahoonid
    MacBook A1990 vertical stripes on external screen
    by ahoonid
    Hey everyone,

    I bought a MacBook A1990 with no screen. I bought it knowing the motherboard was defective but wasn't sure what the problem was until I received it. It actually turns on but as you see from the attachment, it has vertical stripes, on an external screen!!

    The board is neat. Not opened before for sure. Just a little dust, nothing more.

    Recovery using wifi can be opened, as can also be seen in the photo but it doesn't go all the way through after connecting it to a wifi. It downloads the initial Recovery files but never completes the rest of the...
    06-20-2025, 08:54 AM
  • ChristianBr01
    Dell 34 inch U3419W Monitor with thin stripes on partial screen
    by ChristianBr01
    Hello everyone,
    I have a Dell U3419W Monitor that has some thin stripes on a part of the screen since Tuesday.
    This lines cover about a third of the screen and appear for 2 seconds before disappear for another 2 seconds.
    This repeats the whole time. I have not opened the case yet cause I had no time, but will try to fix it on this weekend. For me, it looks like a problem on the TCon... Am I right?
    Does someone have seen this before?...
    05-23-2025, 06:06 AM
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