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Question Anyone replaced the dim touchscreen with brighter one? HP FB500

Discussion in 'General Chit-Chat' started by tedbragg, Jun 30, 2020.

  1. tedbragg

    tedbragg New Member

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    Dec 29, 2018
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    Curious if it's possible to swap out this hard-to-see touchscreen on our HP FB500 with one that's much brighter. I've asked our local HP techs and they just laughed. There's a VGA port near the power switch...might try that out.
     
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  2. bannertime

    bannertime Very Active Member

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    No
    I don't think it's going to be as simple as plug and play and I doubt that's a VGA but probably a DB9 port for the tech. I couldn't find any pictures of it, but you'll know right away by the number of holes. If it's 15, then it could be a VGA port, if not, then it's a DB9 and you won't be able to do anything with it. If you want to get hands on you can probably look into replacing the backlight behind the lcd screen; if that is even possible on this machine.
     
  3. Michael-Nola

    Michael-Nola I print things. It is very exciting.

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    Most or all of the motherboard ports are dead once the OS loads - it's a highly narrow write of OS. Even USB keyboards won't work, only PS/2 lol. (Keep one around for bios issues!)

    I haven't done it, but according to my memory it's VGA for video, Serial Data for touchscreen data, and power. Hardware switching to another screen should be easy since that is a standard touchscreen data method, software is a different story. That OS is pretty strict in it's operating parameters - I'm assuming it's linux based and does not support anything extra of OEM configuration. That means a new resolution for your new screen won't work. You should be able to upsize screens at the same compatible resolution/screen size, or possibly upscale but only at exact ratios. If you check your BIOS you'll find the resolution should be hard-set, then just choose a screen upsize from there.

    Sure anything is possible, but not everything is worth it lol. Those little printers are a nightmare, hence why they are littered across the world with low mileage for next-to-nothing. If it's worth it to you or a project, those are the details that should work. But equipment productivity in mind only, I would deal with it for a year or two if you can make a better printer your next major purchase. Of course I don't know what your situation is! The spice of life is that you can strategize and do things however you like :)

    Now if you DO get it working, post it back here so we see the outcome!
     
  4. greysquirrel

    greysquirrel Active Member

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    West Berlin, NJ
    it should work...troubleshooting a hdd failure/display failure you can plug in any standard monitor and it will work. And you can access the bios on boot to enable keyboard support.
     
  5. tudouqiezi

    tudouqiezi Member

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    May 23, 2017
    China
    Insert monitor with VGA to test
     
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