If that doesn t fix it take it apart put the battery in it and see what the clock.
How to fix a wall clock that is slow.
How to troubleshoot wall clocks.
Inspect the battery compartment for corrosion.
Again you should also check the electric clocks handles.
Gently take off the compartment and take a look at the connections.
Fix slow or incorrect windows computer clock as mentioned above the first approach in this case would be re synchronizing your windows computer with an online time server and see if this fixes the problem.
Put on gloves and pull the batteries out with tweezers or tongs.
Alternatively pry the batteries out by.
If they are getting a collision or there is unnecessary friction among them smoothen out the edges of the handles with a piece of cloth.
It is possible to install the battery upside down where the battery is.
Make sure the battery you replaced it with was a new one and not one you had lying in a drawer for a long time.
How to repair an old wall clock if your wall clock is off you will definitely replace the new battery if it remains dead.
Open the battery compartment with your fingertips and nails or use a screwdriver to open it.
Swing the pendulum on the inside of the clock if it has a pendulum.
Do you see any damage to the wires.
Simply start the pendulum swinging and move the case gently until the tic and toc are in good balance.
Right click on windows 10 start button and click on control panel.
Using the small concentration straw nozzle that comes with your can of air spray the back of the clock a few times until you are certain all possible dust particles are gone.
If so replace the cables with new ones and see if it works or not.
Wind the clock if it has stopped running.
Open the back of your clock up to expose open space in the back of workings of the clock.
To slow down the clock loosen the adjustment nut turn it toward your left.
To speed up the clock tighten the nut turn it toward your right.
You should hear a ticking sound.
The clock will run slower.
How to fix battery operated clocks.
Also check that the hands aren t touching the glass that covers the encasement of the clock.
If not there may be internal damage.
If your clock is running slow then there might be an issue with the wiring.