请问联想L380瑜伽连接外接显示器时闪烁的原因？

大家好，
这是我第一次发布内容，如果您需要进一步的细节或说明，请告诉我。
我有联想L380瑜伽，当我连接外接显示器时，我在外接显示器上闪烁，有时在笔记本电脑的显示器上。
我用HDMI线连接，我尝试使用BenQ显示器和HP显示器。
我尝试过不同类型的HDMI线缆。
我已下载并测试了以下驱动程序：
笔记本电脑和上网本:: thinkpad l系列笔记本电脑:: thinkpad l380瑜伽型20m7 20m8 :: 20m7 :: 20m7001buk :: r90r2ju2 ...
笔记本电脑和上网本:: thinkpad l系列笔记本电脑:: thinkpad l380瑜伽型20m7 20m8 :: 20m7 :: 20m7001buk :: r90r2ju2 ...
适用于英特尔®HDGraphics 620的下载
我还通过更改HDMI端口的优先级以及将内存从256MB调整到512MB来尝试显示部分的BIOS设置
我从联想网站获得L380 Yoga的最新固件和BIOS更新。
笔记本电脑和上网本:: thinkpad l系列笔记本电脑:: thinkpad l380瑜伽型20m7 20m8 :: 20m7 :: 20m7001buk :: r90r2ju2 ...
笔记本电脑和上网本:: thinkpad l系列笔记本电脑:: thinkpad l380瑜伽型20m7 20m8 :: 20m7 :: 20m7001buk :: r90r2ju2 ...
最后，我尝试了英特尔（R）UHD图形控制面板50 Hz，59 Hz和60 Hz的所有可用刷新率。
我已经得出结论，我需要兼容的Intel HD Graphics 620驱动程序，无论是新版本还是旧版本。
我不是专家，所以它可能是别的。
你有什么建议吗？



以下为原文

Hello all,

This is my first time that I posting something so please let me know if you need further details or clarifications.

I have a Lenovo L380 Yoga and when i connect an external monitor I got flickering on the external monitor and some times on the laptop's monitor.

I am connected with HDMI cable and I tried using a BenQ monitor and HP monitor.

I have tried different types of HDMI cables.

I have downloaded and tested the below drivers:

laptops and netbooks :: thinkpad l series laptops :: thinkpad l380 yoga type 20m7 20m8 :: 20m7 :: 20m7001buk :: r90r2ju2…
laptops and netbooks :: thinkpad l series laptops :: thinkpad l380 yoga type 20m7 20m8 :: 20m7 :: 20m7001buk :: r90r2ju2…
Downloads for Intel® HD Graphics 620

I have also tried through BIOS settings on the display section by changing the priority to HDMI port and also adjusting the memory from 256MB to 512MB

I have the latest firmware and BIOS updates from Lenovo website for L380 Yoga.

laptops and netbooks :: thinkpad l series laptops :: thinkpad l380 yoga type 20m7 20m8 :: 20m7 :: 20m7001buk :: r90r2ju2…
laptops and netbooks :: thinkpad l series laptops :: thinkpad l380 yoga type 20m7 20m8 :: 20m7 :: 20m7001buk :: r90r2ju2…

Finally I have tried all available refresh rates from Intel(R) UHD Graphics Control Panel 50 Hz, 59 Hz and 60 Hz.

I have concluded that I need a compatible Intel HD Graphics 620 drivers, either a new release or on old generic one.

I am not an expert so it may be something else.

Do you have any suggestions?