Slow response

BillDuerr · Dec 9, 2021

I'm having problems with Speedtest by Ookla. I enter Speedtest.Net on the URL box of chrome and it takes a long time to display the home screen.

The test shows a speed of around 2 mbps. I have 50 mbps service. The PC is connected to a modem about four feet from the PC using WiFi.

When I enter "SFCfix" in the URL box, I get immediate response.

I run Speedtest on my other PC just fine, and shows speeds of about 40 mbps.

I'm running on a Dell Inspiron N4020 Laptop. The Operating System is Windows 8.1 (x64) (build 9600) (Recently installed).

I ran SFC scan which reported a problem with "Windows\WinSxS\amd64_prncacla.inf_31bf3856ad364e35_6.3.9600.17415_none_95dd5540d57f8c01\Amd64\CNBJ2530.DPB".

I replaced the file "CNBJ2530.DPB" with one from another Windows 8.1 PC. Then ran SFC again. It reported no errors.

I ran SFCfix and it reported no problems.

I ran "Dism.exe /Online /Cleanup-image /Scanhealth and didn't see any errors.

I still have the problem!

Thanks, Bill

Corday · Dec 9, 2021

Could be a bad network adapter. If your laptop has an Ethernet slot and it works using it, then it probably is either the adapter or possibly a driver update for the adapter is needed.

Digerati · Dec 10, 2021

In situations like this, I always start by replacing the Ethernet cable. They are cheap, flimsy, low tech, but extremely critical network devices that are easily damaged. While at it, try a different port on your router; they can go bad too.

BillDuerr said:
I have 50 mbps service.

Check your service agreement. Odds are, it says speeds "up to" 50Mbps.

BillDuerr · Dec 10, 2021

I installed an ethernet cable and have the same slow response.

Digerati · Dec 10, 2021

BillDuerr said:
I installed an ethernet cable and have the same slow response.

And was that with a different port on your router too?

If so, then you have eliminated the easy, and cheapest parts. So time to move up the line and I would look at your Ethernet adapter as Corday suggests.

Any errors in Device Manager?

xrobwx71 · Dec 10, 2021

BillDuerr said:
I run Speedtest on my other PC just fine, and shows speeds of about 40 mbps.

Wired or wireless?

BillDuerr · Dec 10, 2021

I ran another version of speedtest and it reports speed of 40mbps.

Corday · Dec 10, 2021

40 out of 50 is not great, but it will go up and down. Run tests again at various times. Also, make sure your Router/ Modem can find best channel at both 2.4 and 5.5 GHz.

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