Crash on Boot / Poor performance once running

Geordie1881

Geordie1881

Geordie1881

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Joined
5 Sep 2017
Posts
74
Hi All

Looking for a little advice as i am having issues with my PC (bought Apr 2018)

Custom Intel i7-8700K @ 4.9GHz System
- Seasonic Focus Plus 650W 80 Plus Gold Modular Power Supply
- Intel Core i7-8700K 3.7GHz (Coffee Lake) Socket LGA1151 Processor - Retail
- Gigabyte GeForce GTX 1070Ti WindForce 8192MB GDDR5 PCI-Express
- Samsung 500GB 860 EVO SSD 2.5" SATA 6Gbps 64 Layer 3D V-NAND Solid
State Drive (MZ-76E500B/EU)
- WD 1TB Blue 7200rpm Internal Hard Drive
- Alphacool Eisbaer LT360 CPU AIO Water Cooling Unit - 240mm (11446)
- Asrock Z370 Extreme 4 Intel Z370 (Socket 1151) DDR4 ATX Motherboard
- Team Group Vulcan T-Force 16GB (2x8GB) DDR4 PC4-25600C16 3200MHz

I have what I believe is a solid spec (aided by this community!) so a little confused as to why I am now seeing the system fail on start (before Windows screen) or, if lucky, load but then crash afree a few minutes (if i run a game it performs terribly, audio is messed up and then eventually the system just turns off)

Could it be a PSU issue? (Google's fav suggestion but with no suggestion of how to confirm) if so, is that likely to be underpowered or a failing PSU ?

Hope you can help!

Cheers
 
Like said check CPU temperatures.
Waterpipe coolers have many failure mechanisms, which lead to catastrophic loss of cooling power and CPU cooking up at idle.
That could surely cause crashes and definitely would cause very bad performance because of CPU throttling constantly to protect itself from burning.

CPU temps would be sky high already in BIOS before even getting into Windows.
 
So I managed to get into windows and install core temp. starting temps are 70+ and let it run for a few mins whilst moving files from 1 drive to another (a light load i would expect... simply to see what happened) after 5 mins temps reached 95 so I shut the system down.

still no "wooosh" from the watercooler so seems the likely cause. I do have OCUK support. as this is an all in one water cooler (and I am not experienced in water coolers) common sense would suggest speak to OCUK support in the morning. However I need the system for an important video call later in the week (best not say stage 1 interview just in case my current boss is monitoring my communications haha) are there any quick/easy remedies?

@Quartz you didn't seem impressed with the cooler choice. if i do need to replace is there something you'd recommend?

Thanks for your help

Cheers
 
ChrisLX200 said:
Quickest 'remedy' would be to drop the CPU back down to stock and look at temperatures. You still need cooling whatever...
Click to expand...
Won't help any.
You would need to downclock CPU to tablet CPU TDP level for any hope to keep temps under control without coolant flow.
And that's actually the kind of TDP where CPU operates under idle...
 
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