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W500 4058CTO 通过displayport转hdmi线连接sony 46z4500液晶电视，电视 ...

avatardong

W500 4058CTO 通过displayport转hdmi线连接sony 46z4500液晶电视，电视无图像

大家好！我的thinkpad W500 4058CTO 通过displayport转hdmi线连接sony 46z4500液晶电视，电视无图像。

重新安装操作系统和驱动程序（win7，驱动程序是网站自动升级安装）,再次连接的时候电视图像出来了，而且是1080P 60HZ，没有任何问题。
过两天再次连接的时候，电视黑屏了。再次重装win7和驱动，怎么也调节不出来电视图像了。请问是怎么回事，是驱动的问题吗？折腾了好几天，系统和驱动也重装了好几次了，就是显示不出来图像。
确认液晶电视没有问题，通过vga口直接连接很正常。就是dp转hdmi连接不行，连接时在系统ATI管理软件里能找到HDTV，FN+F7也能切换，但液晶电视始终是黑屏！
确定连接线是好的，调低分辨率刷新率都试过，也解决不了。我个人猜测是不是ATI显卡驱动、thinkpad软件与win 7 兼容的问题；之前thinkpad有个软件Presentation Director，通过fn+f7管理切换双显示器的，现在lenovo在win7中取消了这个软件(win7自带fn+f7管理切换双显功能），ATI驱动无法驱动液晶电视导致能找到电视却无法显示的问题。纯属个人猜测。欢迎朋友们来帮助解决这个问题！

panruoyu

这个事情确实很头疼。记得六月份我折腾液晶电视的时候就出过类似的问题。电视和电脑的连接出的问题都是非典型问题，楼主还要慢慢摸索。
说说我的建议：
1、确定催化剂是for win7的；
2、开机后耐心等待，一般启动时候黑屏很正常，一定要等到win7登陆后才能确认图像是否不显示，我的机子到现在hdmi连接时候{dy}个界面就是win7登陆，自检启动时候电视显示不支持信号。
3、连接后要想搞1080p一定要确认是否真的点对点。
4、一定要耐心折腾，乐趣就在于此。

avatardong

回复 #10 panruoyu 的帖子

驱动精灵找{zx1}催化剂试过了还是不行啊；在网上看了很多帖子，发现了同样问题的一篇英文帖子，他自己解决了此问题。我看不太懂，请帮忙分析分析。
DisplayPort to HDMI: No VideoOptions
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12-21-2009 12:38 PM

I have a model T500 Thinkpad (product 224272U), and am trying unsuccessfully to connect it to a Sony VEGA model KV-34HS420 TV from the DisplayPort on the laptop to the HDMI port on the TV a DisplayPort-to-HDMI cable I purchased online from an Amazon partner (see the description below).

The computer recognizes that there is an HDMI device (i.e. a second "digital monitor" graphics device appears), but I can't get any video to display. (I know that I'm not going to get audio -- I'm not greedy:-)

My ThinkPad appears to have only the Mobile Intel 4 Series Express Chipset for graphic (I do not appear to have an ATI card, for instance).

Any hints, clues, ideas?

Thanks.,,

The description for the cable is as follows:

This DisplayPort cables feature a small USB-sized latching connector, two-way display connectivity, optional audio support, higher performance than dual link DVI at 10.8 Gigabits per second, and a unique micro-packet architecture that enables new display features. DisplayPort supports a maximum of 10.8 Gbit/s data rate.

Brand new high quality GTMax Brand cable.
Length: 6 Feet
Connectors: DisplayPort Male to HDMI Male.
DisplayPort offers full digital audio support (up to eight channels) in the same cable as video.
Supports color depth of 8, 10 per component.
UPC Code: 084331496367

Re: DisplayPort to HDMI: No VideoOptions
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12-27-2009 11:08 AM

I got it to work.  I'm not sure which of the two things that I did fixed the problem though:

a) First, I uninstalled the Intel graphics accelerator I recently installed from Lenovo.  (There is still another program by essentially the same name installed -- not sure what that is all about.)

b) Second, I started experimented with various resolutions as coronaXP suggested.  I got it to work with some of the available resolutions.

I mention (a) only because I believe that I experimented with different resolutions earlier, but can't promise I did, so uninstalling the new (but not the old) Intel graphics accelerator may or may not have been necessary.

Thanks, all, for your suggestions and input.

Keith...

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