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6754
December 25th, 2019 07:00
Dell Inspiron 15-3567 network issues
Hello,
I bought a Dell Inspiron laptop about a year ago and I had continuous network issues with it. It came with a Qualcomm QC9377 802.11ac wireless (PCI\VEN_168C&DEV_0042&SUBSYS_18101028&REV_31), and a Realtek PCIe FE family (PCI\VEN_10EC&DEV_8136&SUBSYS_078A1028&REV_07) wired NIC. When the system arrived I reinstalled it with Windows 10 Pro.
I am leaving my laptop running and log back remotely via RDP if needed. When the machine was connected via Wi-Fi, after about 20 minutes of inactivity it became unreachable. This could be avoided if I left something running which generated network traffic, or I kept logging in and out every 10-15 minutes. Furthermore, the event log is littered (from once per hour up to multiple times per minute) with WHEA-Logger 17 warnings:
A corrected hardware error has occurred.
Component: PCI Express Root Port
Error Source: Advanced Error Reporting (PCI Express)
Primary Bus:Device:Function: 0x0:0x1C:0x4
Secondary Bus:Device:Function: 0x0:0x0:0x0
Primary Device Name:PCI\VEN_8086&DEV_9D14&SUBSYS_078B1028&REV_F1
Secondary Device Name:
If I disabled the Wi-Fi card and used the wired connection, everything was fine.
Recently I changed my router from the good-old WRT54GL to an Asus RT-AC66 B1 and since then the cable keeps loosing connection, logging rt640x64 1 errors every 10-ish seconds:
Realtek PCIe FE Family Controller is disconnected from network.
Now I don't know yet if the Wi-Fi issue is still present (Event Log warnings are) but if yes - remotely connecting back to my laptop will be impossible.
What I already tried: changing the cable / port, OS reinstall, using Dell drivers, using Windows Update drivers, playing around with power options (USB selective suspend, disabling suspend in device manager for NICs), some other - mostly general - stuff I found when searching for these issues. Important to note that other devices on the network do not have this issue, and this device (wired part, that is) was working fine with the previous router as well. Really advanced settings (like jumbo frames and alike) are still default on the laptop and on the router.
So I have 3 problems which I would like to solve:
- Making the WHEA_Logger issue to disappear
- Making the wired connection to stay stable
- Making the wireless connection NOT to stop working after a while
Anyone has any ideas I can try? Thank you!
AEHimself_1
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May 4th, 2020 13:00
If any future visitor is wondering, the Qualcomm QC9377 is simply a piece of garbage hardware.
No issues were solved at all - the card kept dropping 5G WiFi, sometimes it could not see 5G networks even after reboots. 2.4G was stable-ish but sometimes it decided to reconnect because it's fun. And yeah, WHEA-Logger every 5 seconds in the Event Log. And still, my laptop was the only device experiencing connection issues on the network.
The solution is easy. I ordered an M.2 socketed Intel AX200NGW and swapped it out. Deleted the cursed Qualcomm drivers and voila - no errors since, connection speed jumped up from 200 Mbps to 800 Mbps without a single drop. I could not test it yet but based on the immediate changes I suppose the availability issues will be solved as well.
Just avoid this wireless NIC, like the plague.
Clintlgm
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1.5K Posts
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December 25th, 2019 12:00
I would guess the Wi-Fi issue is your Wi-Fi card going to sleep
The LAN issue is probably a wire or connector issue or defective Router.
Making the WHEA_Logger issue to disappear possible a hardware issue, which could also explain the first two
You say this has been going on for a year did you ever check in with Dell Support about these issues?
AEHimself_1
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December 26th, 2019 01:00
As for the Wi-Fi card is going to sleep - that is my educated guess too. But as I trued all the standard ways to stop this (power management, device manager -> device properties) there should be an other place which I didn't check / don't know about.
Lan issue -> no. As I said, cable and port swapping was done; and no other devices are having this issue which are connected to the same router.
As for the WHEA_Logger, I doubt it's a hardware issue. If you do a quick google search, you'll see that most of these Wi-Fi cards are producing these warnings (even in other branded laptops) and there are tips and tricks to make it to disappear - I was just unsuccessful until now.
AEHimself_1
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December 26th, 2019 04:00
It seems that turning on Efficient Multicast Forwarding (IGMP Snooping) on the router solved the wired connection issues - at least I did not experience any since I enabled it about 2-3 hours ago.
WHEA-Logger is still present though and (maybe) WiFi card still goes to sleep.