Dont give up youre almost there
Tell us exactly what bator you have
Tell us exactly what temps and humidity are doing
Get the humidity up to at least 60-65% now use clean sponges washcloths or pads .
Get the temp up to 99-100 forced air and 100-102 for still air. try covering part of the bator with a bath towl to keep in heat.
Keep a close watch on it