File Explorer stop responding

Able to connect to a network resource okay when on Wi-Fi, but when connected to Ethernet, File Explorer hangs.

I suspect that the problem is the Ethernet connection speed, for instance, since the computer gets it Ethernet connection via a VOIP phone, which only gives the computer 10 Mbps.
The computer was replaced with a faster model.
Windows Updates were installed.
Reliability history shows the every time the File Explorer stopped responding.
My thinking is problem could be on the server itself, maybe I need to enable SMB on the system.
What else should I be looking at?
Reginald MeadeAsked:
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JohnBusiness Consultant (Owner)Commented:
What is the desktop operating system? Windows 10?  SMBv1 is gone.

What is the server?  Server 2012 and up should be fine.

From an admin command prompt, run both things below, restart and test.

SFC /SCANNOW (allow it to complete)
dism.exe /online /cleanup-image /restorehealth

If these do not work and you still have the error, try a Windows 10 Repair Install and Keep Everything

Windows 10 is running, so click on the Download button (not Upgrade Button, select Save.
Create a USB Windows Installation key and then run Setup on the USB Key.
This will launch the Repair and proceed normally.
Andrew CeohanSys & Net AdminCommented:
So to clarify, your ethernet connection speed is 10Mbps on this PC, the new one?  Before you go farther, I would run ping tests on WIFI and on ethernet.  Ping the file server and lets see what the difference is, add -t to the end so it keeps pinging until you stop it.  This way you get a better picture.  Let's also take a step back, if you are good on WIFI but not ethernet, that has nothing to do with the server, if you were getting the same results, then we would want to troubleshoot down line.  Also, is this only file explorer?  What does other applications do when connected to ethernet, can you get to other network resource.  If might come down to how the phone is setup, it could be on a different vLAN and not connected to that file server.

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JohnBusiness Consultant (Owner)Commented:
Wireless (LAN) connections do not cause File Explorer to freeze in my (long) experience. That is why I suggested the steps above.
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Andrew CeohanSys & Net AdminCommented:
John, he said WIFI was good but LAN (ethernet, hard wired) connectivity caused the issue with file explorer.  Not following what your saying.
JohnBusiness Consultant (Owner)Commented:
An app might "stop responding"  I have seen that lots.  But to hang to the extent of "stopped working" is usually something in the app / operating system. It could be the LAN connection, of course.

Reginald, you could try reinstalling the LAN driver.  

SMBv1, if the problem, normally gives a numerical error that a connection could not be made.
WORKS2011Managed IT Services, Cyber Security, BackupCommented:
VOIP was mentioned, is the VOIP phone inline with the computer and limited to 10M?
voipUpgrade the phone to a 100M or ideally a 1G phone. Or take a $10 1G 5 port switch and place it in line with the wall jack splitting the computer and phone so the computer doesn't have to go through the phone.
WORKS2011Managed IT Services, Cyber Security, BackupCommented:
I haven't seen a VOIP phone with a 10M NIC in years, if it's old replace if it's fairly new I would have the sales guy on the phone ASAP and have him begin explaining himself. It's likely the phone is bad, 10M isn't really justified anymore.
Reginald MeadeAuthor Commented:
Thank you all for your input.
Reginald MeadeAuthor Commented:
I was wrong, the there is a Ethernet connection from the VOIP phone  for the laptop, I did not look up to see what the speed it provided is.

It is a Polycom phone, I will have to read up on the manual.
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