Behind and/or under the toilet is a shut off valve. You only need to turn it like turning the faucet off. If that doesn't work, you'll have to turn off the main valve located outside the house in some cases.
shutting off the valve
because the water is turn off
Shut the water supply off to the toilet. Flush the toilet. Pull the old flapper out and replace it with the same type. Turn the water back on and test the toilet.
Unless it is a very strange arrangement, turning off the toilet on the first floor should only shut off the water to that toilet. It should have no effect on the upstairs shower.
You may have to turn off the water and take the toilet apart in order to reach the toy. If this is beyond your skill level, call a plumber.
It's fairly difficult as you need to replace a seal thing and turn the water off.
you are probably pumping run-off water from your well or cistern
Use a shower instead of a bath Buy a new toilet if you have an old toilet Turn the taps off if they are not needed Fill the washing machine to the top
the reason why the toilet makes noise when you turn water on is because all the water lines are conected so when you turn on water the toilet gets affected and the water that goes down a drain goes to the water pipe.
Sound like you have a clogged toilet and or a clog in your main drain under your toilet. Shut off water supply to toilet remove water from toilet tank. Puchase a wax ring for your toilet prior to disconnecting toilet from supply line and floor bolt on the right and left of your toilet. Remove toilet from floor if water is standing in pipe under where toilet was this is where your problem lies. If no water or clog present, turn toilet on side and lokk in hole at the bottomof toilet. Clear was is stuck in toilet clean off old wax ring install new one and put toilet back together.
by dropping it in the toilet.
The wax ring which seals the toilet to the drain is leaking. turn off water, drain tank by flushing. Disconnect water line. remove tank, unbolt toilet from floor. Remove any old wax from toilet and drain. Replace with new wax ring. Reset toilet and press firmly into place.