HELP I want install a desktop but I don't Know how can I do

[jovval]

You have to purge 'libegl1-mesa' and all it's dependencies, then you can properly run the script.
'libmali-rk-utgard-450-r7p0' contains the proprietary drivers for proper 3D acceleration.

-- EDIT --
I think it's easier for you to re-flash the image on your drive and install a desktop environment trough the 'install_desktop.sh' script. Pass your favourite DE as argument.

     I have found that doing so can not work.

     The script has,
# Default packages.
PACKAGES=(
        aisleriot
        geany
        gnome-mines
        gnome-sudoku
        mplayer
        scratch
        smplayer
        smplayer-themes
        smtube
        xserver-xorg
        mesa-utils-extra
)
    A search for libmali reveals,
if grep -qi rockpro64 /proc/device-tree/compatible || grep -qi rockpro64 /etc/flash-kernel/machine; then
        PACKAGES+=(
                libmali-rk-midgard-t86x-r14p0
        )
elif grep -qi rock64 /proc/device-tree/compatible || grep -qi rock64 /etc/flash-kernel/machine; then
        PACKAGES+=(
                libmali-rk-utgard-450-r7p0
        )

     Furthermore,
apt-get install apt-rdepends
The following NEW packages will be installed:
  apt-rdepends libapt-pkg-perl

apt-rdpends mesa-utils-extra
    shows
mesa-utils-extra
  Depends: libc6 (>= 2.17)
  Depends: libegl1-mesa (>= 7.8.1)
  Depends: libegl1-x11
  Depends: libgles2
  Depends: libgles2-mesa (>= 7.8.1)
  Depends: libwayland-client0 (>= 1.9.91)
  Depends: libwayland-egl1
  Depends: libwayland-egl1-mesa (>= 10.0.2)
  Depends: libx11-6
  Depends: libxext6

     I have tried
aptitude purge libegl1-mesa
     which removed a huge number of packages.
      Install the following packages:                                
21)     libmali-rk-midgard-t86x-r14p0-wayland [1.6-1ayufan7 (xenial)]
Accept this solution? [Y/n/q/?] Y
...
0 packages upgraded, 1 newly installed, 118 to remove and 12 not upgraded.

     But the script reinstalled libegl1-mesa, putting me back at square one.

     Either I have missed something obvious to the informed, or the script as written can not work.

[jovval]

This is a follow-up to the previous post (from me).

For a possible work-around for a functional(?) desktop, please see my post here.

https://forum.pine64.org/showthread.php?...8#pid41268