I just bought a thermometer to check the temps.

Setting? Most fridge/freezers have a crude system of setting the temp. and this seems to be dependent upon ambient. For a few pennies they could set the temp. accurately. However, but most peeps just turn it up/down until it's "about right"
The temp. for your freezer will depend upon the length of time that you wish to keep things. Check out freezer stars online. However they tend to have pre-set temp.
For the fridge, this will depend upon what you want to keep in it. but usually 4C is pretty good. You need to get a thermometer, put it in a glass of water (this irons out fluctuations). And check it after an hour. Adjust a little and check again. Repeat until happy.
Note that a cold room can prevent a fridge operating, so be aware of this.

that's pretty accurate. If you think your thermometer is right, reduce the setting to get what you want

9 is usually the COLDEST setting on fridges. Place a thermometer in there, try different settings, give the unit 24 hours of closed-door operation to get an accurate reading.

a refrigerator thermometer is a good investment (usually available at grocery stores) .. i have two to make it faster to adjust things (one in freezer and one in refrigerator) ... first set the freezer with the temperature control .. set the freezer to 0 degrees F (adjust a little at a time until its close (wait several hours or a day between settings) ... then you may have another control called "air" or "refrigerator" .. you set that one for 37 deg in the refrigerator .. it usually takes a few days to get it right .. but without at least one thermometer you are flying blind, its nearly impossible to do correctly .. you can use any thermometer that is accurate down to 0 degrees, so you dont have to buy one if you already have one .. once you get it right you might want to mark the adjustments incase someone changes them ..

Your refrigerator is probably set too cold. The coils for the water are usually located behind your bottom drawer. Make the bottom drawer a little warmer or raise the temperature of your refrigerator a little bit.

Get a refrigerator thermometer so you can see your temp accurately.

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