eGPU disconnecting suddenly
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:
- monitor goes into sleep and eGPU disconnects; the GPU lights are still on and the box seems normal
- nothing related in event logs
- my 1070 no longer shows in my device manager
- under Devices and printers, Video Controller no longer shows ; this is what it looks like when egpu is attached
- Akitio Node is still visible in my Thunderbolt Controller but is not connected
- The Node shows as attached under approved devices
- The 1070 does not show under GPU activity (the 960m is disabled)
- I get a notification that the 1070 is disconnected
- it occurs mostly in games, but sometimes when just browsing in chrome too
- ePU and monitor is connected back if I remove the thunderbolt connection and then plug it back in
- it occurs less frequently than before my restore
- GPU and CPU temps are pretty normal when it occurs
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?
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.
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.