Hard Luck Blues

 is a quest in Fallout: New Vegas.

Detailed walkthrough
Travel north of Grub n gulp Rest Stop, and past two NCR soldiers until you see pipes overhead or head South from the New Vegas Medical Clinic, and you will come across a building with many pipes protruding. Enter the door marked "East Pump Station" and walk toward the terminal on the desk. select it and you will be told that a high science skill is required to activate it. upon activating the terminal it will have a message marked "Warning". The message tell you about the leak, and gives you the quest "Hard Luck Blues". Now leave the building and head east towards the map marker. You will come across a truck with many radioactive barrels surround by many Golden Geckos. Head to the map marker, and you will come across a door marked "Vault 34- 1st floor". You will enter a cavern filled with Golden geckos.

After fighting through them, and desending deep within the cave, you will come across Vault 34's open Vault door.

The Vault is saturated with radiation. Bring lots of Rad-X and Radaway. It also is advisable to bring a Radiation suit or the Space suit to help with radiation resist.

The population of the Vault have been turned into Feral ghouls, with the security officers being turned into a Glowing One. There are a lot of Glowing Ones in the vault, especially down in the Armory.

In order to access the Armory you need to obtain the Vault 34 Security Terminal Password, the Vault 34 Utility Terminal Password and the Overseer's Password. The first two password's can be found on Glowing One ghouls that are underwater in two separate locations. Both locations have stairs that go down into radioactive water.

The Overseer's Password can be found (needs info).

After you obtain access descend under the Overseer's desk to the Reactor room. Here you will obtain information about Vault dwellers who are trapped underwater. After you reach the Reactor room the terminal will provide two choices. Either disable the Reactor thereby removing the radiation contaminating the Sharecropper farms or giving control of the computer system to the Vault dwellers.

Neither decision gives you Karma either way, however if you choose to help the Sharecoppers you will get a faction boost with New California Republic. If you choose to help the dwellers you get (needs info).