Driver Gimp or LL

[DLX]

[size=1em]Still getting new computer setup. [/size]
[size=1em]Using Gimp when I zoom into a photo I get lines across photo also I get this sometimes when I open a window with files like Home folder.[/size]

[size=1em]From the LLC shows there updates but get error "couldn't fetch the package cache information list.[/size]
[size=1em]I did go there to look at drivers Additional drivers but No additional drivers available.  that what I did last time and worked but not this time.[/size]

[size=1em]Have ran GtkPerf 0.40 - Starting testing: Tue Feb  2 14:33:34 2016[/size]

[size=1em]GtkEntry - time:  0.01[/size]
[size=1em]GtkComboBox - time:  0.41[/size]
[size=1em]GtkComboBoxEntry - time:  0.30[/size]
[size=1em]GtkSpinButton - time:  0.02[/size]
[size=1em]GtkProgressBar - time:  0.02[/size]
[size=1em]GtkToggleButton - time:  0.04[/size]
[size=1em]GtkCheckButton - time:  0.02[/size]
[size=1em]GtkRadioButton - time:  0.02[/size]
[size=1em]GtkTextView - Add text - time:  0.13[/size]
[size=1em]GtkTextView - Scroll - time:  0.05[/size]
[size=1em]GtkDrawingArea - Lines - time:  0.15[/size]
[size=1em]GtkDrawingArea - Circles - time:  0.14[/size]
[size=1em]GtkDrawingArea - Text - time:  0.07[/size]
[size=1em]GtkDrawingArea - Pixbufs - time:  0.01[/size]
[size=1em] --- [/size]
[size=1em]Total time:  1.40[/size]

[size=1em]and this from before  sudo lshw -C display[/size]

[size=1em][sudo] password for XX: [/size]
[size=1em]  *-display              [/size]
[size=1em]      description: VGA compatible controller[/size]
[size=1em]      product: Intel Corporation[/size]
[size=1em]      vendor: Intel Corporation[/size]
[size=1em]      physical id: 2[/size]
[size=1em]      bus info: pci@0000:00:02.0[/size]
[size=1em]      version: 06[/size]
[size=1em]      width: 64 bits[/size]
[size=1em]      clock: 33MHz[/size]
[size=1em]      capabilities: pciexpress msi pm vga_controller bus_master cap_list rom[/size]
[size=1em]      configuration: driver=i915 latency=0[/size]
[size=1em]      resources: irq:129 memory:de000000-deffffff memory:c0000000-cfffffff ioport:f000(size=64)[/size]

[size=1em]So I got a Intel graffex I'm using the onboard.[/size]
[size=1em]Also looking at the LL manual covered what I have looked at would a nvidia driver work?[/size]
[size=1em]See from manual [/size]

[size=1em]sudo apt-get install nvidia-prime nvidia-331-updates nvidia-settings[/size]

[size=1em]Thanks.[/size]

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LLCC is now working getting updates.