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[GH-ISSUE #1863] The Black or white screen of nothing in TakeControl #3106

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opened 2026-03-14 06:34:08 +03:00 by kerem · 6 comments

kerem commented

2026-03-14 06:34:08 +03:00

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Originally created by @thisledome5 on GitHub (May 5, 2024).
Original GitHub issue: https://github.com/amidaware/tacticalrmm/issues/1863

Server : Ubuntu 22:04
Browser Chrome Edge Brave
RMM version 0.18.02

install method: standard
agent version: 2.7.0
Agent OS , Windows 10 Pro, 64 bit v22H2

So I have read through the few issues relating to this issue of a black or white screen connecting to the agent from the browser. The history on the server shows a connect with takecontrol., but in every instance on every system with agent installed, The same result,
Either a black or white screen pops up with black bar at top with RMM agent online and restart and recover buttons at top. thats it. nothing. So does anyone have any further advice?
I disabled the sync as one post suggest, same result. retarted server. etc.

This package looks great, but this is not getting me anywhere. I would be happy to tier up and support if this works correctly

Originally created by @thisledome5 on GitHub (May 5, 2024). Original GitHub issue: https://github.com/amidaware/tacticalrmm/issues/1863 Server : Ubuntu 22:04 Browser Chrome Edge Brave RMM version 0.18.02 install method: standard agent version: 2.7.0 Agent OS , Windows 10 Pro, 64 bit v22H2 So I have read through the few issues relating to this issue of a black or white screen connecting to the agent from the browser. The history on the server shows a connect with takecontrol., but in every instance on every system with agent installed, The same result, Either a black or white screen pops up with black bar at top with RMM agent online and restart and recover buttons at top. thats it. nothing. So does anyone have any further advice? I disabled the sync as one post suggest, same result. retarted server. etc. This package looks great, but this is not getting me anywhere. I would be happy to tier up and support if this works correctly ![Screenshot_12](https://github.com/amidaware/tacticalrmm/assets/45792300/178dc139-5250-4416-a7f6-69da2c4cc600)

kerem closed this issue

2026-03-14 06:34:13 +03:00

kerem commented

2026-03-14 06:34:19 +03:00

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@dinger1986 commented on GitHub (May 5, 2024):

If you go to mesh.yourdomain.tld can you connect there to the agent?

@dinger1986 commented on GitHub (May 5, 2024): If you go to mesh.yourdomain.tld can you connect there to the agent?

kerem commented

2026-03-14 06:34:24 +03:00

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@thisledome5 commented on GitHub (May 5, 2024):

Hello. yes I can. That seems to work. so where is the problem?

@thisledome5 commented on GitHub (May 5, 2024): Hello. yes I can. That seems to work. so where is the problem?

kerem commented

2026-03-14 06:34:29 +03:00

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@thisledome5 commented on GitHub (May 5, 2024):

However RDP doesn't seem to work. just goes to a black screen after I input credentials
But at least the mesh connect works as a temp measure. but why won't it connect directly from the tactical screen

@thisledome5 commented on GitHub (May 5, 2024): However RDP doesn't seem to work. just goes to a black screen after I input credentials But at least the mesh connect works as a temp measure. but why won't it connect directly from the tactical screen

kerem commented

2026-03-14 06:34:34 +03:00

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@dinger1986 commented on GitHub (May 5, 2024):

Have you changed any settings under global settings for meshcentral?

@dinger1986 commented on GitHub (May 5, 2024): Have you changed any settings under global settings for meshcentral?

kerem commented

2026-03-14 06:34:39 +03:00

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@thisledome5 commented on GitHub (May 5, 2024):

No nothing for meshcentral. in fact I have not changed really much of anything at all.

@thisledome5 commented on GitHub (May 5, 2024): No nothing for meshcentral. in fact I have not changed really much of anything at all.

kerem commented

2026-03-14 06:34:44 +03:00

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@dinger1986 commented on GitHub (May 5, 2024):

see below (copied from discord) please give info on your setup.

Start your support requests with a good question, not a bad one. Read this:
http://www.catb.org/esr/faqs/smart-questions.html

TLDR

The RIGHT way to ask for help:
I have an established TRMM server (or: I have a new server), existing agents are working fine (can't get any agents to show up in TRMM/mesh).
I updated from x version to y version of Tactical RMM (or: I haven't changed anything on my server config) today/last week/last month, now when I do xyz it looks like (insert screenshot).
When I look for (x), I see (y) when I'm expecting to see is (z).

What's my next step?

The WRONG way to ask for help:
xyz is not working. Server is fine.

Pre-filling the relevant answers to these questions will also help us help you:

Install type? (Standard/Docker) and amount of RAM on server
Did you deviate IN ANY WAY from these instructions? https://docs.tacticalrmm.com/install_server/
Did you deviate IN ANY WAY from these instructions? https://docs.tacticalrmm.com/install_docker/
Where is the server? (VPS/onprem)
New/old install? Rough age of TRMM server (days/weeks/months)?

Server Install Specific questions:
What OS/version is TRMM installed on.
Using a real domain?
Did letsencrypt finalize and work
Have you looked at the troubleshooting steps to see if something there is appropriate to you situation? Test DNS from an agent etc. https://docs.tacticalrmm.com/troubleshooting/
Run the Server Troubleshooting Script and DM the person (from @Support ) that is working with you https://docs.tacticalrmm.com/troubleshooting/#server-troubleshooting-script
What kind of ssl certs? Let's Encrypt, or purchased (you're not trying to make self-signed work right?)
Check Expiry date of your certificates in the browser (at https://rmm.example.com/ )

Network Troubleshooting
Are you using a proxy?
Are you a wizard? See https://docs.tacticalrmm.com/unsupported_guidelines/
If so, what's in the network between agent and server?

Agent Troubleshooting
Is there ANY 3rd party Antivirus installed on the computer?
Is there any network based filtering/AV filtering?

Asking yourself questions like: When did it go from working to broken? What changed during that time? This will help you.

@dinger1986 commented on GitHub (May 5, 2024): see below (copied from discord) please give info on your setup. Start your support requests with a good question, not a bad one. Read this: http://www.catb.org/esr/faqs/smart-questions.html TLDR The RIGHT way to ask for help: I have an established TRMM server (or: I have a new server), existing agents are working fine (can't get any agents to show up in TRMM/mesh). I updated from x version to y version of Tactical RMM (or: I haven't changed anything on my server config) today/last week/last month, now when I do xyz it looks like (insert screenshot). When I look for (x), I see (y) when I'm expecting to see is (z). What's my next step? ------ The WRONG way to ask for help: xyz is not working. Server is fine. ------ Pre-filling the relevant answers to these questions will also help us help you: Install type? (Standard/Docker) and amount of RAM on server Did you deviate IN ANY WAY from these instructions? https://docs.tacticalrmm.com/install_server/ Did you deviate IN ANY WAY from these instructions? https://docs.tacticalrmm.com/install_docker/ Where is the server? (VPS/onprem) New/old install? Rough age of TRMM server (days/weeks/months)? Server Install Specific questions: What OS/version is TRMM installed on. Using a real domain? Did letsencrypt finalize and work Have you looked at the troubleshooting steps to see if something there is appropriate to you situation? Test DNS from an agent etc. https://docs.tacticalrmm.com/troubleshooting/ Run the Server Troubleshooting Script and DM the person (from @Support ) that is working with you https://docs.tacticalrmm.com/troubleshooting/#server-troubleshooting-script What kind of ssl certs? Let's Encrypt, or purchased (you're not trying to make self-signed work right?) Check Expiry date of your certificates in the browser (at https://rmm.example.com/ ) Network Troubleshooting Are you using a proxy? Are you a wizard? See https://docs.tacticalrmm.com/unsupported_guidelines/ If so, what's in the network between agent and server? Agent Troubleshooting Is there ANY 3rd party Antivirus installed on the computer? Is there any network based filtering/AV filtering? Asking yourself questions like: When did it go from working to broken? What changed during that time? This will help you.