System is always hang or crashed when streaming 4K video over youtube,

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iMac Intel 21.5インチ Retina 4Kディスプレイ 2015

2015年10月13日に発売。A1418 / EMC 2833 / Late 2015 / 3.1 GHz Core i5 or 3.3GHz Core i7 プロセッサ。

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Tom @lovecd

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投稿日: 2021年8月8日

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System is always hang or crashed when streaming 4K video over youtube,

Bought this desktop local, but found the following issue:

It always hang or crashed when streaming 4K video over youtube, change the setting to 1080p seems OK, I understand there is no discrete GPU equipped on this desktop (only the intel onboard one), so, I was wondering if the issue is due to lack of sufficient GPU equipped or its hardware failure? Can anyone give any clue?

Thanks,

Here are the pictures I took when the system got crash/frozen during the 4K video streaming.

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Dan @danj 評価: 479.6千 Self employed contract worker 35 329 971 · Answer 1 · 2021-08-08T13:19:08-07:00

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Dan @danj

評価: 479.6千

Self employed contract worker

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329

971

投稿日: 2021年8月8日

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I think you're hitting a thermal issue! I would install a good thermal monitoring app like this one TG Pro I think its the best and not very expensive if you get the full version. Here we only need the trial level.

Start off taking a snapshot of the main window (adjust the size so all of the sensors are visible in one window (no slider on the right) when you are not running anything (baseline), now do another when you are watching a 1080p Youtube vid and then one more watching a 4K vid. Make sure you’ve labeled them and post them here for us to see iFixitでの質問に画像を追加する方法

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Thanks Dan, will try that and post pictures here once I have it available.

Tom

Tom さんによる2021年8月8日

@lovecd - Ouch! Missing the lower sensors in the listing ;-{

Can you stretch the window making it longer so the most bottom sensor is visible (use the slide on the right to move the window) There is a point you can grow the window the slide will disappear! Thats the pointy you've got all the sensors listed!

It does look like your fan is messed up as we don't see any bar within the graph 21.5" iMac Fan (15/17/19), Apple P/N 923-00563

Dan さんによる2021年8月8日

Hi Dan,

Have those screen shot updated with full information there, let me know if you have any more thoughts on it.

Many thanks!

Tom

Tom さんによる2021年8月9日

@lovecd - Camera shot Vs Screenshot are a bit different (now you have the how water marks cut off on the right,

But for now lets just get the fan replaced.

Dan さんによる2021年8月9日

Hi Dan, yeah, I can't do screenshot for 4k video as the system is hang there, so, have to use camera to capture the screen. by the way, does the fan suppose to run at higher speed automatically in order to keep the cpu and other component's temp below certain degrees?

Tom さんによる2021年8月9日

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iMac Intel 21.5インチ Retina 4Kディスプレイ 2015

System is always hang or crashed when streaming 4K video over youtube,

Update (08/21/2021)

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