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Paper Tape
Posts: 1
Registered: ‎09-16-2018
Location: AU
Views: 613
Message 1 of 1

DisplayPort from x250 to external Philips HDMI Not Working



I have a 2+ year old Thinkpad x250 which I've connected to an external Philips 24" monitor, using a VGA to HDMI cable - VGA from the laptop to a HDMI port on the Philips.  This connection is used purely as an extender from my laptop.  


This has been working perfectly till last week when I decided to replace the VGA-HDMI cable with a Mini DisplayPort to HDMI version.  I thought I might as well utilise the DisplayPort on my laptop since it's there.  


When the 2 devices were connected, the Philips couldn't be detected even with Display Settings on Windows 10.  I had to reinstall the monitor drivers and reboot, then all was good - till I shut the lid on my x250.  Upon opening up the lid, the Philips had disappeared from the extender profile and I had to repeat the setup process to get it to be detected again.


Though this was really inconvenient, I put up with this for 2 more days before this whole process failed permanently.  Nothing I did could get the Philips detected.  What was more surprising was that going back to the old VGA-HDMI cable now didn't work either.  I repeated this whole cabling circus act with another good monitor and got nothing as well.  The only connection that would work now is a VGA-VGA cable and I'm in a worse (video) position than when I first bought my x250!


I'm hoping someone out there may have seen this before and can give me some clues with troubleshooting.  Thanks for whatever advice you can give me.

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