how to connect to trading server

[Lim Hoo Chon]

when there's no connection, how to commence connection to trading server?

[Cornelis Duiker]

that question is a bit vague

Assuming you have a working internet connection, then asking your broker should be next

[Sergey Golubev]

It is for Metatrader 5 (but it is same for MT4) - 

Forum on trading, automated trading systems and testing trading strategies

How to Start with Metatrader 5

Sergey Golubev, 2017.03.28 08:27

As many people are asking about "How to open account with MT5" and "How to add the broker to MT5" so I want to remind the following links:

MetaTrader 5 Help - Open an Account

MetaTrader 5 Android OS Help - Opening a Demo Account 

MetaTrader 5 iPhone/iPad Help - Connecting to an Account and Opening a Demo Account 

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Simplified way to request a real account in MetaTrader 5 Android 

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How to change investor password in Metatrader - 

[Sergey Golubev]

Find a Server by the Broker's Name:
https://www.mql5.com/en/forum/9950/page88#comment_3981953  
https://www.mql5.com/en/forum/214820

[60016822]

My Broker is LDQFX and I downloaded the MT4 platform from their sight - my demo account is active but when i attempt to add my live account it says to "add a more suitable server? Can anyne help

[Eleni Anna Branou]

60016822:
My Broker is LDQFX and I downloaded the MT4 platform from their sight - my demo account is active but when i attempt to add my live account it says to "add a more suitable server? Can anyne help

Contact your broker.