https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/shi-yongtype-c-jie-kou-lian-jie-zhi-xian-shi-qi-shi-you-gai-lu-chu-xian-xian-shi-yi-chang/m-p/1237861#M463219 <P>我的唯一另一台电脑ELITEBOOK 745 G5的C口甚至都不支持4K HDR 高刷输出，我也没有别的电脑或显示器了。不过我发现显示器有固件更新。更新后，原先的有概率出现显示异常的问题变成了有概率显示器无信号的问题。</P><P>总之，应该是兼容性有问题吧。</P> Wed, 14 Jun 2023 09:11:58 GMT YuYao 2023-06-14T09:11:58Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/shi-yongtype-c-jie-kou-lian-jie-zhi-xian-shi-qi-shi-you-gai-lu-chu-xian-xian-shi-yi-chang/m-p/1236000#M462798 <P>笔记本为HP ZBook Power 15.6 inch G9 Mobile Workstation PC；显示器为KTC M27P20 Pro；数据线使用原厂c to c或海贝思USB4全功能c to c数据线；</P><P>开机时显示器有概率显示异常：表现为显示器参数设置不对和HDR无法开启：</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="屏幕截图 2023-06-05 114955.png" style="width: 800px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/92132i8FD522A5C77B9340/image-size/large?v=v2&amp;px=999" role="button" title="屏幕截图 2023-06-05 114955.png" alt="屏幕截图 2023-06-05 114955.png" /></span></P><P>将显示器的高级设置→DSC关闭后再开启就能恢复正常：（如图，位深、HDR等都正常了）（有时重启显示器也能恢复正常）</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="屏幕截图 2023-06-05 115244.png" style="width: 800px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/92134i54621BB7C1C34FDD/image-size/large?v=v2&amp;px=999" role="button" title="屏幕截图 2023-06-05 115244.png" alt="屏幕截图 2023-06-05 115244.png" /></span></P><P>更换线缆后不能解决问题。我估摸着，要不是电脑的驱动有bug，要么是显示器的固件有bug。要不惠普找人和显示器厂家沟通一下，看看问题在哪。</P> Mon, 05 Jun 2023 03:56:44 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/shi-yongtype-c-jie-kou-lian-jie-zhi-xian-shi-qi-shi-you-gai-lu-chu-xian-xian-shi-yi-chang/m-p/1236000#M462798 YuYao 2023-06-05T03:56:44Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/shi-yongtype-c-jie-kou-lian-jie-zhi-xian-shi-qi-shi-you-gai-lu-chu-xian-xian-shi-yi-chang/m-p/1236060#M462805 <P>官网资料：<A href="http://h10032.www1.hp.com/ctg/Manual/c08145061.pdf" target="_blank">http://h10032.www1.hp.com/ctg/Manual/c08145061.pdf</A></P><P>&nbsp;</P><P>显示器参数只有位深有区别&nbsp; &nbsp;显示器恢复出厂默认值试试&nbsp;</P><P>另外&nbsp; &nbsp;楼主&nbsp; &nbsp;替换显示器测试呢？</P> Mon, 05 Jun 2023 06:43:43 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/shi-yongtype-c-jie-kou-lian-jie-zhi-xian-shi-qi-shi-you-gai-lu-chu-xian-xian-shi-yi-chang/m-p/1236060#M462805 梁多多 2023-06-05T06:43:43Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/shi-yongtype-c-jie-kou-lian-jie-zhi-xian-shi-qi-shi-you-gai-lu-chu-xian-xian-shi-yi-chang/m-p/1236061#M462806 <P>bios 01 07 01：<A href="https://h30318.www3.hp.com/pub/softpaq/sp146001-146500/sp146389.exe" target="_blank">https://h30318.www3.hp.com/pub/softpaq/sp146001-146500/sp146389.exe</A></P><P>显卡相关：<A href="https://h30318.www3.hp.com/pub/softpaq/sp142501-143000/sp142504.exe" target="_blank">https://h30318.www3.hp.com/pub/softpaq/sp142501-143000/sp142504.exe</A></P><P>Intel：<A href="https://h30318.www3.hp.com/pub/softpaq/sp145501-146000/sp145672.exe" target="_blank">https://h30318.www3.hp.com/pub/softpaq/sp145501-146000/sp145672.exe</A></P> Mon, 05 Jun 2023 06:48:49 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/shi-yongtype-c-jie-kou-lian-jie-zhi-xian-shi-qi-shi-you-gai-lu-chu-xian-xian-shi-yi-chang/m-p/1236061#M462806 梁多多 2023-06-05T06:48:49Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/shi-yongtype-c-jie-kou-lian-jie-zhi-xian-shi-qi-shi-you-gai-lu-chu-xian-xian-shi-yi-chang/m-p/1236096#M462818 <P>看起来像是兼容性的问题，有没有条件用其他电脑连接测试一下</P> Mon, 05 Jun 2023 08:34:32 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/shi-yongtype-c-jie-kou-lian-jie-zhi-xian-shi-qi-shi-you-gai-lu-chu-xian-xian-shi-yi-chang/m-p/1236096#M462818 NAVI_Sasha 2023-06-05T08:34:32Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/shi-yongtype-c-jie-kou-lian-jie-zhi-xian-shi-qi-shi-you-gai-lu-chu-xian-xian-shi-yi-chang/m-p/1237861#M463219 <P>我的唯一另一台电脑ELITEBOOK 745 G5的C口甚至都不支持4K HDR 高刷输出，我也没有别的电脑或显示器了。不过我发现显示器有固件更新。更新后，原先的有概率出现显示异常的问题变成了有概率显示器无信号的问题。</P><P>总之，应该是兼容性有问题吧。</P> Wed, 14 Jun 2023 09:11:58 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/shi-yongtype-c-jie-kou-lian-jie-zhi-xian-shi-qi-shi-you-gai-lu-chu-xian-xian-shi-yi-chang/m-p/1237861#M463219 YuYao 2023-06-14T09:11:58Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/shi-yongtype-c-jie-kou-lian-jie-zhi-xian-shi-qi-shi-you-gai-lu-chu-xian-xian-shi-yi-chang/m-p/1237871#M463224 <P><A href="http://h10032.www1.hp.com/ctg/Manual/c06007987.pdf" target="_blank">http://h10032.www1.hp.com/ctg/Manual/c06007987.pdf</A></P><P><A href="http://h10032.www1.hp.com/ctg/Manual/c06007987.pdf" target="_blank">745 G5</A><BR />type c转dp支持&nbsp; 信号输出支持的&nbsp; 至于转dp几点几需要实际测试</P> Wed, 14 Jun 2023 10:08:31 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/shi-yongtype-c-jie-kou-lian-jie-zhi-xian-shi-qi-shi-you-gai-lu-chu-xian-xian-shi-yi-chang/m-p/1237871#M463224 梁多多 2023-06-14T10:08:31Z