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screen turns off- and on if PSR is enabled on Latitude E7450
I have the problem that if Panel Self Refresh (PSR) is enabled in the Intel driver settings, which is the default setting, my panel (B140HAN01.1) switches off- and on every few seconds (when not using the computer). When PSR is disabled, the issue does not appear. Nevertheless, I would like to use PSR to have a higher battery life, so the issue should be fixed. I already swapped the display test-wise without success.
heres a video of the issue: first: PSR enabled -> problem appears, then: PSR disabled -> no problemhttps://photos.google.com/share/AF1QipPzVLFIQoWK9gGREzp2CWNoz2QWo5RoYekCvMCQAGQUTPNMp-d2J_4tqWgtavXUfQ?key=Z3NsbldOQk5wNEZPbnFrcXBQdVhJbG9xUFNhUjJ3
is this issue known to dell and are you working on a fix?
robert p
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March 10th, 2017 04:00
Hi priast,
Thanks for posting.
Here is some information regarding your issue: http://dell.to/2mOLr5K