I think it's a recent update. Try this. Press control+alt+delete to get to that screen and is it green?
If so, it's not an bug (well some will call it that.) But a change in system colors.
I fixed the one screen with a registry edit but have not found this to be more than an annoyance so far.
Hi, I have a Dell Studio XPS 16 1640 Laptop Originally bought with Windows 7 but upgraded to Windows 10 about a year ago.
Dell Studio XPS 16 Series
Dell Studio XPS 1647
Processor: Intel Core i7 720QM
Graphics Adapter: ATI Mobility Radeon HD 4670
Display: 16 inch
My issue is that about a month ago I booted up my machine as usual and my logon screen which uses one of the standard windows pictures as a backdrop looked different. the parts of the image that contained block black colour, now display as bright green (can only describe as the colour of the Matrix.)
Once I have entered my password and log onto my desktop it works fine but when opening a browser Chrome/IE/Firefox etc. the block black colour displays incorrectly again and this is the same for any application.
It does not appear to be a damaged pixel issue as the green colour moves around the screen to match the large areas of black but does not affect all blacks some of the less intense blacks display normally.
The other strange effect that I am seeing on the display is pink ghosting of some text on webpages and some icons also.
I have connected the laptop to my TV via a HDMI cable and on the TV the image displays correctly.
Running a MATS diagnostic test from start up, I have recovered the following error message: microsoft error code 5300:061f
I have not been able to find much on this error or know how to deal with it.
I have tried to attach a number of pictures but seems to only allow to past a URL to an image. so will have to look at a way that I can do this.
Does anyone have any ideas what the issue may be? faulty Laptop screen or graphics card?