Question Laptop goes off when the charging cable move a little

[Himel5551]

My laptop : acer aspire v3 471
It has no battries no display.
I use it using directly with a charge and a monitor using vga cable.
The issue is that now when i use it if the charging cable gets touched or get a little moved or disturbed it turn off instantly and i have power on again to use. I also brought a mew charging but still same.
I am old here but just joined today and hope you guys can help me out and. Thanks in advance

 

[hang-the-9]

If a replacement charger did not fix this, next thing to check would be the charging port.

 

[Himel5551]

thanks for the reply.
can the port be fixed or should be replaced.
would be kind to know