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T440p + Ultra Dock, but dock video out (HDMI) not working
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- Posts: 48
- Joined: Thu Jan 08, 2009 8:10 pm
- Location: USA
T440p + Ultra Dock, but dock video out (HDMI) not working
Hello, all.
Fairly frustrating day: I attached a new Ultra Dock to my T440p, connected HDMI cable to a monitor, kept the laptop closed and fired it up... no picture on the monitor.
Opened laptop, went into BIOS and configured to use the dock display... no picture on the monitor.
Went back into BIOS and set a 10 sec. delay in case the monitor needs time... no picture on the monitor.
Booting into Win7, I can't seem to figure out any way to switch the display from laptop screen to external monitor.
Yes, my monitor is set to HDMI and yes, the monitor works. Tried two different, verified working HDMI cables. No difference.
Can anyone help me with this? I've owned several other Thinkpads & docks over the years, never had any issues getting external displays to work. So needless to say, I'm a mite confused.
Thanks in advance.
Fairly frustrating day: I attached a new Ultra Dock to my T440p, connected HDMI cable to a monitor, kept the laptop closed and fired it up... no picture on the monitor.
Opened laptop, went into BIOS and configured to use the dock display... no picture on the monitor.
Went back into BIOS and set a 10 sec. delay in case the monitor needs time... no picture on the monitor.
Booting into Win7, I can't seem to figure out any way to switch the display from laptop screen to external monitor.
Yes, my monitor is set to HDMI and yes, the monitor works. Tried two different, verified working HDMI cables. No difference.
Can anyone help me with this? I've owned several other Thinkpads & docks over the years, never had any issues getting external displays to work. So needless to say, I'm a mite confused.
Thanks in advance.
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- Senior ThinkPadder
- Posts: 3848
- Joined: Mon May 28, 2012 5:49 am
- Location: Metro Manila, Philippines
Re: T440p + Ultra Dock, but dock video out (HDMI) not working
Does the T440p have nVidia graphics, or just Intel?
Planned Purchase: T480s i5-8350 FHD Touch
Impulse Buy: Thinkpad not named for safety reasons
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E
Impulse Buy: Thinkpad not named for safety reasons
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E
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- Posts: 48
- Joined: Thu Jan 08, 2009 8:10 pm
- Location: USA
Re: T440p + Ultra Dock, but dock video out (HDMI) not working
I only see drivers & settings for Intel HD graphics 4600, nothing about nVidia.
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- Senior ThinkPadder
- Posts: 3848
- Joined: Mon May 28, 2012 5:49 am
- Location: Metro Manila, Philippines
Re: T440p + Ultra Dock, but dock video out (HDMI) not working
It's possible that the dock has a problem. Would've been nice if you have another thinkpad with the same docking connector to test it with.
Planned Purchase: T480s i5-8350 FHD Touch
Impulse Buy: Thinkpad not named for safety reasons
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E
Impulse Buy: Thinkpad not named for safety reasons
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E
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- Admin Emeritus
- Posts: 23837
- Joined: Mon Sep 18, 2006 5:17 am
- Location: Loch Garman, Éire
Re: T440p + Ultra Dock, but dock video out (HDMI) not working
Using a MiniDP-to-HDMI adapter plus a HDMI-cable, have you tried the displayports on the dock and/or the T440p?
I use the T440p port regularly to hook up to a TV with the above.
If all else fails, check this: https://support.lenovo.com/us/en/soluti ... tra%20Dock
I use the T440p port regularly to hook up to a TV with the above.
If all else fails, check this: https://support.lenovo.com/us/en/soluti ... tra%20Dock
Lovely day for a Guinness! (The Real Black Stuff)
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- Posts: 48
- Joined: Thu Jan 08, 2009 8:10 pm
- Location: USA
Re: T440p + Ultra Dock, but dock video out (HDMI) not working
Well, I got it working just fine. Turns out the problem was 100% user error: Since the dock doesn't block the laptop's power input, I'd been plugging the AC adaptor into the laptop. Noticed tonite the dock has a power input of its own, tried it, et violà: HDMI out works.
How embarrassing.
But thanks for jumping in to help out, y'all.
How embarrassing.
But thanks for jumping in to help out, y'all.
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- Admin Emeritus
- Posts: 23837
- Joined: Mon Sep 18, 2006 5:17 am
- Location: Loch Garman, Éire
Re: T440p + Ultra Dock, but dock video out (HDMI) not working
Arf and doghouse...
Lovely day for a Guinness! (The Real Black Stuff)
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