[PC软硬件][求助]电脑网速跑不满，是不是网线问题，求推荐网线

家里拉了电信100M宽带后提速到了200M，手机连5Gwifi可以下载跑到200M多300M

[img]https://img.nga.178.com/attachments/mon_202006/27/c4Q5-cbdfZaT3cSn0-l9.jpg.medium.jpg[/img]
电脑是主机直接插网线的，下载最多只能跑到100m

[img]https://img.nga.178.com/attachments/mon_202006/27/c4Q5-f9qqK12T3cSsg-fe.jpg.medium.jpg[/img]
提速之前下载是100M，上传是20几M。提速后下载还是100M，上传倒是有30几M。
我这是电脑主机问题还是网线问题啊？如果是网线问题的话，各位老哥有推荐的网线吗？
现在用的是前几年买的号称前兆网线的，是不是被坑了

[img]https://img.nga.178.com/attachments/mon_202006/27/c4Q5-4vmtZqT3cSo3-dw.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202006/27/c4Q5-583aZhT3cSrg-ef.jpg.medium.jpg[/img]
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原来是网卡问题[s:ac:擦汗]

[img]https://img.nga.178.com/attachments/mon_202006/27/c4Q5-4zkZmT3cSmc-qq.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202006/27/c4Q5-h1jeZ13T3cSod-qn.jpg.medium.jpg[/img]
这该怎么办？求教一下各位大佬
我自己也百度一下
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[img]https://img.nga.178.com/attachments/mon_202006/27/c4Q5-jeyeK1tT3cSsg-lc.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202006/27/c4Q5-jma5K22T3cSsg-lb.jpg.medium.jpg[/img]
路由器是半个月前拉宽带电信配的路由器，也确认了光猫连路由器的是千兆网口
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为什么我在设置这里选了1.0Gpbs

[img]https://img.nga.178.com/attachments/mon_202006/27/c4Q5-hv7vZxT3cSna-r3.jpg.medium.jpg[/img]
网卡状态还是100mbps

[img]https://img.nga.178.com/attachments/mon_202006/27/c4Q5-2sb5ZmT3cSmc-qq.jpg.medium.jpg[/img]