Occasionally, without warning the display on my XPS13 L322X is corrputed and displays many short horizontal bars (see image). When this happens the PC becomes unresponsive and I have to shut it down by holding down the power key. Has anyone else seen this or have any ideas what the cause could be?
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It's either a bad display panel or a bad GPU -- attach an external screen. If it shows clear, chances are it's the display that's bad. If it doesn't, it's a bad GPU -- replace the mainboard.
Thanks ein63 . The screen shot is of an external screen, so I guess that means its the GPU. It's probably not financially viable to replace the mainboard. Particularly given that the 'Q' key doesn't work very well and I really need to upgrade to a larger SSD. Looks like it's time for a new one :-(