Fever
Headache
Tiredness
Nausea
Diarrhea
Enlarged lymph nodes in the neck, armpits or groin

Any symptoms from becoming infected typically resolve in one to four weeks.

As you can see, the signs and symptoms of HIV infection are similar to those for many different viral infections. The only way to know for sure if you are infected with HIV is to be tested. Many people infected with HIV do not have any signs and symptoms at all for many years.

Later Signs and Symptoms of HIV/AIDS
The Centers for Disease Control (CDC) says the following signs and symptoms may be warning signs of late-stage HIV infection:

rapid weight loss
dry cough
recurring fever or profuse night sweats
profound and unexplained fatigue
swollen lymph glands in the armpits, groin, or neck
diarrhea lasting more than a week
white spots or unusual blemishes on the tongue, in the mouth, or in the throat
pneumonia
red, brown, pink, or purplish blotches on or under the skin or inside the mouth, nose, or eyelids
memory loss, depression, and other neurological disorders