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  1. mlkt

    << Solved >> HD4000 Loss of graphic acceleration when installing apps.

    The symptoms are that artifacts appear on the screen, applications do not draw well, Launchpad is very slow, applications that use multiple overlapping screens do not work properly, there is no graphic acceleration. I wonder if installing an application can corrupt some part of the system...
  2. mlkt

    << Solved >> HD4000 Loss of graphic acceleration when installing apps.

    Thanks for your answer. Ok, that's clear, I don't care about the card readers, where the problem is in the graphic acceleration as the title of the post says. What causes the loss of acceleration when installing certain applications? And why when installing an update (even if it is already...
  3. mlkt

    << Solved >> HD4000 Loss of graphic acceleration when installing apps.

    Hi, I have a HP EliteBook 9470m i7 laptop with OSX Catalina 10.15.7 with HD4000 at 1366x768 , everything works correctly except card reader and fingerprint reader. The problem I have is that when installing some applications the system loses the graphic acceleration at the next boot and the only...
  4. mlkt

    Very slow boot up.

    Thank you, my apologies, corrected.
  5. mlkt

    Very slow boot up.

    First of all, I apologize because English is not my mother tongue. Secondly, I've been reading posts for years and have done several installations over time but I think I'm getting old and this is starting to get on top of me. I have done a fully functional install of Mojave 10.14.6 on an HP...
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