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常见问题 \ 就业班 \ 学习服务 \ 网速正常,但是看视频很卡怎么办?
<p style="margin-top: 10px; margin-bottom: 20px; padding: 0px; box-sizing: border-box; word-wrap: break-word; word-break: break-all; font-size: 16px; line-height: 28px; white-space: normal; color: rgb(101, 110, 115); font-family: &quot;PingFang SC&quot;, Helvetica, &quot;Helvetica Neue&quot;, 微软雅黑, Tahoma, Arial, sans-serif; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; color: rgb(0, 0, 0); font-size: 16px;">一、<span style="background-color: rgb(255, 255, 255);">视频有声音无图像</span></span></p><p style="margin-top: 10px; margin-bottom: 20px; padding: 0px; box-sizing: border-box; word-wrap: break-word; word-break: break-all; font-size: 16px; line-height: 28px; white-space: normal; color: rgb(101, 110, 115); font-family: &quot;PingFang SC&quot;, Helvetica, &quot;Helvetica Neue&quot;, 微软雅黑, Tahoma, Arial, sans-serif; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; color: rgb(0, 0, 0);">此问题一般是处在flash播放模式下。解决方法:播放页右键→设置,弹出的窗口中去掉启用硬件加速,如下图</span><img src="http://www.imooc.com/static/img/faq/1_1.png" alt="" style="border: 1px solid rgb(178, 178, 178); box-sizing: border-box; margin-top: 22px; display: block;"/></p><h4 style="margin: 0px; padding: 0px; font-size: 16px; font-weight: 400; box-sizing: border-box; white-space: normal; font-family: &quot;Microsoft YaHei&quot;; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; color: rgb(0, 0, 0);">视频播放中,无法播放或播放时发生异常跳转:</span></h4><p style="margin-top: 10px; margin-bottom: 20px; padding: 0px; box-sizing: border-box; word-wrap: break-word; word-break: break-all; font-size: 16px; line-height: 28px; white-space: normal; color: rgb(101, 110, 115); font-family: &quot;PingFang SC&quot;, Helvetica, &quot;Helvetica Neue&quot;, 微软雅黑, Tahoma, Arial, sans-serif; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; color: rgb(0, 0, 0);">若是使用海外线路或港澳台用户,暂时无法解决;国内线路,非网络问题,请清除缓存后再刷新;<br style="box-sizing: border-box;"/>1,网络正常,慕课网所有视频看不了,其他视频正常!<br style="box-sizing: border-box;"/> &nbsp;&nbsp;解决方法:联系网络管理员,确认是否网关设备对部分关键字进行了屏蔽(如swf/flv/mp4)<br style="box-sizing: border-box;"/>2,网络正常,也没有屏蔽措施。访问该链接查看dns设置是否正常&nbsp;</span><a href="http://tools.cloudxns.net/index.php/Index/Diag" target="_blank" style="outline: 0px; text-decoration-line: underline; box-sizing: border-box; color: rgb(0, 0, 0);"><span style="box-sizing: border-box;">http://tools.cloudxns.net/index.php/Index/Diag</span></a><br style="box-sizing: border-box;"/><span style="box-sizing: border-box; color: rgb(0, 0, 0);"> &nbsp;&nbsp;如果提示dns异常,可将dns设置为 114.114.114.114或8.8.8.8<br style="box-sizing: border-box;"/> &nbsp;&nbsp;如果dns正常,可以访问以下链接,以检查是否可以正常访问到视频cdn&nbsp;</span><a href="http://tool.alikunlun.com/doc.html" target="_blank" style="outline: 0px; text-decoration-line: underline; box-sizing: border-box; color: rgb(0, 0, 0);"><span style="box-sizing: border-box;">http://tool.alikunlun.com/doc.html</span></a></p><p style="margin-top: 10px; margin-bottom: 20px; padding: 0px; box-sizing: border-box; word-wrap: break-word; word-break: break-all; font-size: 16px; line-height: 28px; white-space: normal; color: rgb(101, 110, 115); font-family: &quot;PingFang SC&quot;, Helvetica, &quot;Helvetica Neue&quot;, 微软雅黑, Tahoma, Arial, sans-serif; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; color: rgb(0, 0, 0);"><br/></span></p><p style="margin-top: 10px; margin-bottom: 20px; padding: 0px; box-sizing: border-box; word-wrap: break-word; word-break: break-all; font-size: 16px; line-height: 28px; white-space: normal; color: rgb(101, 110, 115); font-family: &quot;PingFang SC&quot;, Helvetica, &quot;Helvetica Neue&quot;, 微软雅黑, Tahoma, Arial, sans-serif; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; color: rgb(0, 0, 0); font-size: 16px;"><span style="background-color: rgb(255, 255, 255);">二、</span><span style="background-color: rgb(255, 255, 255);">视频有声音无图像</span></span></p><p style="margin-top: 10px; margin-bottom: 20px; padding: 0px; box-sizing: border-box; word-wrap: break-word; word-break: break-all; font-size: 16px; line-height: 28px; white-space: normal; color: rgb(101, 110, 115); font-family: &quot;PingFang SC&quot;, Helvetica, &quot;Helvetica Neue&quot;, 微软雅黑, Tahoma, Arial, sans-serif; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; color: rgb(0, 0, 0); font-size: 16px;"><span style="background-color: rgb(255, 255, 255);"></span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box; word-wrap: break-word; word-break: break-all; font-size: 16px; line-height: 30px; font-family: &quot;PingFang SC&quot;, 微软雅黑, &quot;Microsoft YaHei&quot;, Helvetica, &quot;Helvetica Neue&quot;, Tahoma, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">目前慕课网已提供了专门的网速测试工作。测试你所有区域访问慕课网的速度。<br style="box-sizing: border-box;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box; word-wrap: break-word; word-break: break-all; font-size: 16px; line-height: 30px; font-family: &quot;PingFang SC&quot;, 微软雅黑, &quot;Microsoft YaHei&quot;, Helvetica, &quot;Helvetica Neue&quot;, Tahoma, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-size: 15px;"><a href="http://moco.imooc.com/player/report.html" style="outline: 0px; box-sizing: border-box; color: rgb(20, 25, 30);">http://moco.imooc.com/player/report.html</a></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box; word-wrap: break-word; word-break: break-all; font-size: 16px; line-height: 30px; font-family: &quot;PingFang SC&quot;, 微软雅黑, &quot;Microsoft YaHei&quot;, Helvetica, &quot;Helvetica Neue&quot;, Tahoma, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-size: 15px;">完成测试结果后,将会得出最合适的线路供你在观看时调整。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box; word-wrap: break-word; word-break: break-all; font-size: 16px; line-height: 30px; font-family: &quot;PingFang SC&quot;, 微软雅黑, &quot;Microsoft YaHei&quot;, Helvetica, &quot;Helvetica Neue&quot;, Tahoma, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-size: 15px;"><br/></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box; word-wrap: break-word; word-break: break-all; font-size: 16px; line-height: 30px; font-family: &quot;PingFang SC&quot;, 微软雅黑, &quot;Microsoft YaHei&quot;, Helvetica, &quot;Helvetica Neue&quot;, Tahoma, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"><span style="box-sizing: border-box;">如以上都不存在问题,请清除你浏览器中的缓存,重新访问慕课网。如还是存在访问慢的问题可直接加</span><span style="color: rgb(0, 0, 0); font-family: &quot;PingFang SC&quot;, Helvetica, &quot;Helvetica Neue&quot;, 微软雅黑, Tahoma, Arial, sans-serif;">入视频播放异常反馈群(</span><span style="font-family: &quot;PingFang SC&quot;, Helvetica, &quot;Helvetica Neue&quot;, 微软雅黑, Tahoma, Arial, sans-serif; box-sizing: border-box; color: rgb(84, 141, 212);"><a href="http://shang.qq.com/wpa/qunwpa?idkey=668ee1e298ac42ed9a76b532b6f8d1afdb2251c6cf55a88f57631c1ac05ca98d" target="_blank" style="outline: 0px; box-sizing: border-box; color: rgb(20, 25, 30);">230569067</a>)</span></span></p><p><span style="font-family: &quot;PingFang SC&quot;, 微软雅黑, &quot;Microsoft YaHei&quot;, Helvetica, &quot;Helvetica Neue&quot;, Tahoma, Arial, sans-serif; background-color: rgb(255, 255, 255); font-size: 16px;">注:强烈建议使用最新版本的Chrome和Firefox,保持最好的观看体验。</span></p>

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