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What's DOS?
chimel3
Posts: 1
Registered: ‎03-06-2012
Location: United Kingdom
0

Connecting to external monitors

I have a Thinkpad T420, with a series 3 mini dock that will not connect to 2 different external monitors that I have (one 22" Samsung and one 23" LG). The monitors both work fine as I can use them with a different PC model but when connecting the Thinkpad, they just go into power saving mode.

I've tried changing every possible display setting I can think of, but without any luck.

I've also seen the same issue with a different non-Lenovo laptop model. Which makes me wonder if there are some requirements for using certain types of external monitors that a number of laptops don't meet. However, I can't find any documented evidence to back this up.

Any help and suggestions much appreciated as I don't want to keep buying monitors in the hope that one day I get one that works...

 

Paper Tape
Kelabu
Posts: 1
Registered: ‎03-12-2012
Location: Malaysia
0

Re: Connecting to external monitors

did you try pressing Fn + F7?