15" Dell saved from the trash

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • Bishop
    Senior Member
    • Apr 2009
    • 99

    #1

    15" Dell saved from the trash

    I pulled a 15" dELL flat panel monitor from the dumpster at work. It looked brand new. I plugged it into a spare pc and the screen flashed for one second and went black, but I could see the screen is still working.
    Never had opened a LCD screen before but wanted to learn. I found one bad radial cap and pulled it. Ordered a set of six 1000uf's at a cost of $5.39 delivered and resoldered a new cap in.
    The monitor works great now.
    After my wife saw this monitor, she wanted it for her pc, because the frame on this LCD is smaller than her old one.

    Total cost for the cap alone was $.18.

    The hard part was getting the LCD monitor apart without breaking it apart.
  • 370forlife
    Large Marge
    • Aug 2008
    • 3112
    • United States

    #2
    Re: 15" Dell saved from the trash

    Brand, series caps used to replace?

    Comment

    • Krankshaft
      Badcaps Legend
      • Jan 2007
      • 2328
      • USA

      #3
      Re: 15" Dell saved from the trash

      Bottle opener through the vents with a swiss army knife to press the securing tabs is that best way to open these clamshell cases.

      I hope you used a low ESR cap and not a bad brand or General Purpose one.
      Elements of the past and the future combining to make something not quite as good as either.

      Comment

      Related Topics

      Collapse

      • Borse2008
        Seeking Advice: Repairing Dell U3425WE Monitor with Faulty USB-C/Thunderbolt Ports
        by Borse2008
        Hi everyone,

        Looking for some advice or opinions on what to do with a monitor issue I’ve run into. Apologies in advance is this crossovers a few forum categories.

        I have a Dell U3425WE, which I've recently replaced with another model. That said, the original unit is still fully functional in terms of the display — it works perfectly over HDMI and DisplayPort. However, the USB-C and Thunderbolt 4 ports have stopped functioning correctly. The Issue:
        • The 90W Thunderbolt 4 port (circled in the photo) no longer charges or powers any device, including laptops or MacBooks.
        • There’s
        ...
        07-15-2025, 04:55 AM
      • 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
      • DanPoka
        Guide me through repairing a Dell p2210f LCD ccfl backlight monitor
        by DanPoka
        I bought this p2210f dell monitor to fix. Schematic is the same as p2210.
        Behaviour is that monitors comes on but then backlight switches off almost instantly. If I look with flashlight I can still find the "No signal message". So definitely a backlight issue. Trying to advance the issue I proved that the protection circuit is switching off the backlight by shorting out C3 and resistor to disable the INL chip then re enable by removing the short.
        This is where it gets interesting. When I disassembled the monitor to solder leads on c3 capacitor I noticed the backlight flickered...
        02-15-2025, 05:05 AM
      • momaka
        HannStar Hanns-G HC194d LCD monitor repair
        by momaka
        Normally, I never post repairs this quick after I do them, because… I am usually very slow. But today, I’m making an exception here. Why? No idea. Perhaps only because the repair details are still “fresh” in my head… which is ironic, given this is a 16 year old monitor that hardly anyone will care about today. It is new to me, though. I picked it up last November from someone on my local Craigslist. It wasn’t very close to where I live, but was close to a family friend that I had to go visit anyways. So after watching the posting on Craigslist for a few weeks and seeing it getting...
        03-15-2023, 10:17 PM
      • Jesus Coder
        Issues Reviving Old Dell 2408WFPb Monitor
        by Jesus Coder
        Hello everyone,

        I have been having some difficulties reviving an old Dell 2408WFPb PC monitor that I received for free. When I first acquired it, the backlights of the display were on but alas no image was showing. After extensive research on the topic, I went ahead and purchased a new t-con board for the monitor. After installing the board, I was then presented with a new screen that was half black and half green (more so black). I have been unable to figure out what to do next as I have limited knowledge of display electronics. Might anyone on this forum have an idea of what may...
        06-25-2023, 02:33 PM
      • Loading...
      • No more items.
      Working...