59 vs 60 hertz on external display via DisplayPort

Posted by Shiki on Super User See other posts from Super User or by Shiki
Published on 2010-06-09T10:00:19Z Indexed on 2010/06/09 10:02 UTC
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lenovo

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external-display

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displayport

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refresh-rate

Don't know if this is a really specific question or you'll help me out. Please do. I just bought a DeLock DisplayPort cable for my Lenovo T500. Tried to use it with the in-built Intel MHD4500, no use. With the ATI HD3650 (you can switch between the two vga on this machine) I get a normal picture, but only on 59hz. On 60 I get a smaller desktop size (strange).

Any idea what can cause this? Will I have any problem if I use the 59hz?

(Was using the display with a VGA cable but I get a blurry picture with that (dont matter what device I attach, VGA is like this on this display) and thats why I wanted to change.)

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