Intermittent Wifi network - Realtek RTL8821CE 802.11ac PCIe Adapter

[Rsreddy]

Hello Team,

I'm facing the intermittent connection drops for my new HP Laptop 15s-eq2xxx, where as other devices connected with same wifi are working fine. 

This is having the wifi adapter: realtek rtl8821ce 802.11ac pcie

In windows events i found these logs: 

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Error 14-06-2021 11:46:17 Service Control Manager 7031 None

Log Name: System
Source: Service Control Manager
Date: 14-06-2021 11:46:17
Event ID: 7031
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: LAPTOP-*****
Description:
The Realtek Wireless Manager Service service terminated unexpectedly. It has done this 1 time(s). The following corrective action will be taken in 5000 milliseconds: Restart the service.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Service Control Manager" Guid="{555908d1-a6d7-4695-8e1e-26931d2012f4}" EventSourceName="Service Control Manager" />
<EventID Qualifiers="49152">7031</EventID>
<Version>0</Version>
<Level>2</Level>
<Task>0</Task>
<Opcode>0</Opcode>
<Keywords>0x8080000000000000</Keywords>
<TimeCreated SystemTime="2021-06-14T06:16:17.1841531Z" />
<EventRecordID>3420</EventRecordID>
<Correlation />
<Execution ProcessID="**bleep**" ThreadID="8112" />
<Channel>System</Channel>
<Computer>LAPTOP-*******</Computer>
<Security />
</System>
<EventData>
<Data Name="param1">Realtek Wireless Manager Service</Data>
<Data Name="param2">1</Data>
<Data Name="param3">5000</Data>
<Data Name="param4">1</Data>
<Data Name="param5">Restart the service</Data>
<Binary>520074006B0057006900460069004D0061006E0053006500720076000000</Binary>
</EventData>
</Event>

----------------------------------------------------------------------------------------------------------------------------------

Your computer was not able to renew its address from the network (from the DHCP Server) for the Network Card with network address 0x7412B371CE4B. The following error occurred: 0x79. Your computer will continue to try and obtain an address on its own from the network address (DHCP) server.

But i've done the IP reservation for my laptop mac address so that it won't came across such issues, but even after this config and increasing lease time to 10 hours, i'm still seeing the same error and connection drop. 

I'm suspecting driver issue, connected with dell support but they are not helpful at all. Can someone please suggest any feasible solution. 

[Paul_Tikkanen]

Hi:

The only suggestion I can offer if you have not done so already, would be to update the wifi driver to the latest version...

https://ftp.hp.com/pub/softpaq/sp113001-113500/sp113268.exe

You can update the bluetooth driver too...

https://ftp.hp.com/pub/softpaq/sp113001-113500/sp113256.exe