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eGPU disconnecting suddenly  

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gorogoropig
(@gorogoropig)
Active Member
Joined: 5 years ago
 

I've had an Akitio node for about a year now, along with a PNY XLR8 1070, and an XPS 15 9550 (6700HQ, 960m, 16 gigs ram). For the most part it's been great.
Recently I was having some thermal issues with my laptop. A while back I was having some stuttering issues while using my eGPU so I disabled my dGPU. But even without an active dGPU, my CPU would still throttle from time to time (I even have thermal pads to try and keep it cooler). The XPS 15's thermals really suck.

Anyways I decided to repaste my laptop; I've done this a couple of times in the past already so no biggie. But after I finished repasting, my external monitor would sometimes go black and into power saving mode; it was no longer being connected to my laptop. I did some digging and found that it was related to my eGPU. So from here I tried several different things:

  • I made sure Windows was up to date
  • I downloaded the latest BIOS
  • I made sure I had the latest Nvidia drivers
  • I made sure I had the latest thunderbolt related drivers for the XPS
  • I reflashed the firmware for the Node
  • I took apart my laptop and cleaned its fans (there was a lot of dust!)
  • I took out the GPU and cleaned its fans (there was a lot of dust!)
  • I clean out the Node: the front fan and the PSU fan/ inside the PSU (there was so much dust!!)

Even after all that, the issue still occurred. So I tried a system restore to before I started having these issue (although I didn't install any new programs in between that time frame). It seemed okay for the most part... until I started playing a specific game and the monitor would constantly disconnect. So I updated the Nvidia drivers again and everything was solved.

...until today, when the issue occurred again (that's roughly 2 days).  I'm at a lost as to what the issue may be. Here are some observations I've noted:

My guess would be that it is some kind of hardware problem, but I'm not sure which component might be responsible. Is it my laptop? The 1070? The Node? The thunderbolt cable connecting my laptop and eGPU? I doubt it's the cable since the Node can still be seen by my laptop. Any guesses/ things I can try to pinpoint the problem?

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

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MýnÆnglishTáwk
(@mynenglishtawk)
Eminent Member
Joined: 3 years ago
 

Maybe it is the mains brick. You said it happened again when you started a game; that could be making it cut out as the video board begins to draw too much main from it.

My Homemade Gaming Laptop

 
2009 15" Samsung P510 [0th,2C,M] + HD 5750 @ 2Gbps-EC1 (EXP GDC 8.4) + Win7 [build link]  


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Lee Raymond CM
(@lee_raymond_cm)
New Member
Joined: 3 years ago
 

Hello. It's been a couple of months since you posted this. Did you get any resolution? I asked because I'm having somewhat similar situation: notebook is Razer Blade Stealth. E-gpu is Gigabyte Gaming box with 1070. The notebook keeps trying to connect to the e-gpu box, then 1070 (you can hear 2 times device connection sound) then it got disconnected (you hear the disconnect sound). 

Windows was refreshed yesterday. Then latest Nvidia driver. It worked for one day. Then symptoms came back.

I can't think of any changes since yesterday. I am suspecting the cable because the plugging and unplugging on both ends feel kind of loose. IllI try to get a new cable tomorrow. But I'd like hear any additional experience you may have. Thanks.

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

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