https://h30471.www3.hp.com/t5/you-xi-ben/hui-puomen-17w119tx-yuan-zhuang-xian-shi-qi-shua-xin-lu75hz-huan-ping-zhi-hou60hz/m-p/893319#M15693 感谢您的回复。但是我的问题仍未解决。我的bios版本是系微H20，secure boot已开启。 Sun, 23 Sep 2018 04:28:07 GMT fin 2018-09-23T04:28:07Z https://h30471.www3.hp.com/t5/you-xi-ben/hui-puomen-17w119tx-yuan-zhuang-xian-shi-qi-shua-xin-lu75hz-huan-ping-zhi-hou60hz/m-p/893223#M15681 <P>屏幕之前压花，保修换了屏幕，说是按序列号取的型号应该没问题。但是原本的75hz屏幕刷新率变成60hz。是硬件问题还是软件问题？ 还是停产了现在屏幕只有60hz。。。。。</P> Fri, 21 Sep 2018 11:36:06 GMT https://h30471.www3.hp.com/t5/you-xi-ben/hui-puomen-17w119tx-yuan-zhuang-xian-shi-qi-shua-xin-lu75hz-huan-ping-zhi-hou60hz/m-p/893223#M15681 fin 2018-09-21T11:36:06Z https://h30471.www3.hp.com/t5/you-xi-ben/hui-puomen-17w119tx-yuan-zhuang-xian-shi-qi-shua-xin-lu75hz-huan-ping-zhi-hou60hz/m-p/893305#M15690 <P>BIOS中，必须开启 secure boot 安全引导，才能使用 75Hz</P> Sun, 23 Sep 2018 02:13:47 GMT https://h30471.www3.hp.com/t5/you-xi-ben/hui-puomen-17w119tx-yuan-zhuang-xian-shi-qi-shua-xin-lu75hz-huan-ping-zhi-hou60hz/m-p/893305#M15690 548851818 2018-09-23T02:13:47Z https://h30471.www3.hp.com/t5/you-xi-ben/hui-puomen-17w119tx-yuan-zhuang-xian-shi-qi-shua-xin-lu75hz-huan-ping-zhi-hou60hz/m-p/893319#M15693 感谢您的回复。但是我的问题仍未解决。我的bios版本是系微H20，secure boot已开启。 Sun, 23 Sep 2018 04:28:07 GMT https://h30471.www3.hp.com/t5/you-xi-ben/hui-puomen-17w119tx-yuan-zhuang-xian-shi-qi-shua-xin-lu75hz-huan-ping-zhi-hou60hz/m-p/893319#M15693 fin 2018-09-23T04:28:07Z https://h30471.www3.hp.com/t5/you-xi-ben/hui-puomen-17w119tx-yuan-zhuang-xian-shi-qi-shua-xin-lu75hz-huan-ping-zhi-hou60hz/m-p/893325#M15695 <P>重装NVIDIA显卡驱动</P><P>如果无效，需要送到维修中心检查。</P> Sun, 23 Sep 2018 05:20:46 GMT https://h30471.www3.hp.com/t5/you-xi-ben/hui-puomen-17w119tx-yuan-zhuang-xian-shi-qi-shua-xin-lu75hz-huan-ping-zhi-hou60hz/m-p/893325#M15695 548851818 2018-09-23T05:20:46Z https://h30471.www3.hp.com/t5/you-xi-ben/hui-puomen-17w119tx-yuan-zhuang-xian-shi-qi-shua-xin-lu75hz-huan-ping-zhi-hou60hz/m-p/894028#M15795 送到维修中心 最后更新了一下bios之后在重装驱动解决了 十分感谢 Thu, 27 Sep 2018 07:12:34 GMT https://h30471.www3.hp.com/t5/you-xi-ben/hui-puomen-17w119tx-yuan-zhuang-xian-shi-qi-shua-xin-lu75hz-huan-ping-zhi-hou60hz/m-p/894028#M15795 fin 2018-09-27T07:12:34Z