WARNING RISK OF ELECTRICAL SHOCK CONTINUE AT YOUR OWN RISK
Always unplug electronic devices before opening them! Even after opening make shore you discharge all the capacitors with a discharge rod.
Step 1: Materials
a Soldering iron
a cutting pliers
rosin core solder
the replacement capacitors
an anti static band (if your working with delicate circuitry)
a de soldering pump (optional)
and de soldering wick (optional)
Step 2: Diagnosing the bad capacitor(s).
Step 3: Removeing the capacitors
Step 4: Adding the new capacitors
Step 5: You're done
The application you changed the capacitors on should work perfectly now.