Dell Inspiron 7559

Discussion in 'Dell' started by Xathos, Oct 3, 2015.

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  1. Nic727

    Nic727 Notebook Enthusiast

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    BIOS update can be found on Dell Website.
    I think the BIOS update fixe the trackpad... Don't know if it's true, but before it was 1 sec. late, but now it's ok (even if sometimes it's unresponsive until you click on the left button).
     
  2. elemein

    elemein Notebook Consultant

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    Thanks Ill look into that! :D Any idea on the charging light or speaker issues?

    Edit: Turns out I have the newest BIOS already hrm
     
    Last edited: Dec 7, 2016
  3. Nic727

    Nic727 Notebook Enthusiast

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    Hi again,

    You have BIOS 1.2.0 already?

    For the charger I have the same problem about charging light.
    Can't help you for other problem.

    For the colors on BOE screen, I improved from my last message.

    1. First install ICC from http://www.gaminglaptopsjunky.com/dell-inspiron-15-7559-review
    2. Correct gamma with Windows color correction tool.
    3. Go into Intel Control panel and change :

    Red Brightness : 0 or 3
    Green Brightness : 6
    Blue Brightness : 6
    General Gamma : 1.0

    Hue : 0
    Saturation : 8

    I followed some charts about white point and shadow.
    http://www.lagom.nl/lcd-test/
    http://www.simpelfilter.de/en/colorman/blackpoint.html
    http://media.apcmag.com/wp-content/uploads/sites/20/2014/03/greyscale-chart-monitor-calibration.jpg
    http://www.imaging-resource.com/ARTS/MONCAL/CALIBRATE.HTM
    and more from Bing/Google images.

    For me it's the best I can do. Colors are much better. The only problematic color is green, but overall it's better than before.

    What's your thought?

    thx

    PS: I still don't know why screen are not coming calibrated out of the box. Don't know if it's only Dell, but that s*ck.
     
    Last edited: Dec 12, 2016
  4. DrzkaCZ

    DrzkaCZ Notebook Enthusiast

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    You can not be in, beucase my panel is from LG and your's is obviously BOE. I need someone who want ICC profile to LG panel. And we can pay it together. I have some experience with calibration and I found some photographer who tell me, come and we can calibrated.
     
  5. Nic727

    Nic727 Notebook Enthusiast

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    Also, I found this great website to calibrate gamma and colors.
    http://www.lagom.nl/lcd-test/

    Kind of improved colors at the maximum I can (I edited my post above with new settings).
    Still no true colors, but better than nothing... I will certainly change my laptop in a couple of years, but before buying I will check this forum, because it's more informative than videos and reviews.
     
    Last edited: Dec 16, 2016
  6. actasci

    actasci Notebook Enthusiast

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    still, no one cracked open the vbios and overclocked gpu further than 135mhz (or people is not sharing their accomplishments). it is very interesting considering this is a very popular laptop.

    for people having cpu / coil whine, i posted a solution couple of pages back. the solution is just for the ones who have this whine unplugged though. it whines when its plugged because of the shawty adaptor. some say replacement unit stops it.
     
  7. josele69

    josele69 Newbie

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    Yeah, coil wine with AC adapter was solved with a new adapter for me:

     
  8. DasPez

    DasPez Notebook Enthusiast

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    modifying the vbios is easy - but skylake introduced new security hardware that checks for modifications before loading the bios, resulting in a brick

    it'll display "bootguard verified dxe that is fail" and your laptop is dead

    would be nice if someone could crack that bootguard :)
     
  9. Nic727

    Nic727 Notebook Enthusiast

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    So what's best matte screen that can work with 7559?
    Does it improve SRGB accuracy?
    Where to buy it?
    Do you have any long term problem when changing screen for the LG one instead of staying with default BOE screen?
     
    Last edited: Dec 16, 2016
  10. DrzkaCZ

    DrzkaCZ Notebook Enthusiast

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    I tried to set NV card for 3d only (in nv driver) and use full perf. profile with 100% minimal state of cpu, so it could be on maximum clocks, but it is not. It drops to 1Ghz, so this is a reason of low FPS drops. So I can''t say a solution is in reinstall.

    BIOS: Can you find any options how to set higher perf. on battery? I can't see anything.
     
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