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No, Rex's condition is way beyond anything we can handle. He requires brain surgery, and some sophisticated cybernetics work, too.Julie Farkas

Nothin' But a Hound Dog is a companion quest in Fallout: New Vegas.

Quick walkthrough[]

Side Quest: Nothin' But a Hound Dog 
Complete G.I. Blues for the King in the King's School of Impersonation within Freeside
Speak with the King again and ask about the cyberdog he keeps with him, Rex
Reach the Old Mormon Fort and talk to Julie Farkas about helping Rex. 
Return to the King. 
Reach Jacobstown and speak with Doctor Henry in the lodge about getting a new brain for Rex. 
Reach the trailer compound and kill the Fiend mongrel Violetta to acquire Violetta's brain
Speak with Old Lady Gibson at the Gibson scrap yard and pay her 700 caps (for free with 75 Barter) or kill Rey personally to acquire Rey's brain
Speak with Antony at the Fort, then kill Lupa in the Legion arena to acquire Lupa's brain
Bring one or more of the brains to Doctor Henry and decide which one to transplant into Rex. 
Reward: 500 XP
Rex as a companion
Use Rey's brain: Rex gains the Faithful Protector perk (+25 damage for Rex)
Use Violetta's brain: Rex gains the Unshakeable Tracker perk (+50% movement speed for Rex)
Use Lupa's brain: Rex gains the Blood of the Legion perk (+10 DT for Rex) 

Detailed walkthrough[]

A favor[]

The leadup to the quest starts by reaching the King's School of Impersonation in Freeside and speaking with the King, leader of the Kings gang, in order to trigger the side quest G.I. Blues, either independently or as part of the diplomatic path during the faction quest Kings' Gambit. After completing the former quest, return to the school and speak with the King again, where a dialogue option is available to ask him about the cyberdog with him, named Rex. The King will explain that Rex is getting old and with age comes problems, and the old hound is suffering a serious one with his organic brain starting to fail and causing him to have manic episodes, inevitably leading to his death if nothing is done about it. The King requests that they go speak to Julie Farkas at the Old Mormon Fort to see if the Followers of the Apocalypse can help at all.

In the fort, Julie elaborates that, while the Followers do not have the facilities or training to properly fix the cyberdog, she does know of someone who can help: Dr. Henry, a reclusive scientist who went into the mountains to the northwest to reside in the mutant enclave at Jacobstown. Taking this information back to the King, he will be happy to hear it but says that he cannot leave on a long journey like that due to the unrest in Freeside (regardless of whether the major conflict has already been resolved). Instead, he offers to let the player character take Rex themselves while he's getting his brain fixed, making Rex available as a companion. Just before letting them go, the King informs the player character know about Rex's peculiar personality traits, namely his hatred of rats and hats.

Old dog with new tricks[]

At Jacobstown, Doctor Henry can be found in the lodge along with his assistant Calamity; the topic of Rex's brain is entirely separate from his research on the nightkin cure, so it is not required to complete Guess Who I Saw Today to help Rex. Asking about their cyberdog companion, one learns that during his scientific training with the Enclave, Henry specialized in neurology and canine cybernetics. From what he can tell about Rex, the only cure for the old hound's condition is to get him a healthy, new brain, and he offers a total of three suggestions for where to find one:

Once one or more of the brains have been collected and brought back to Henry, he can be told which one to use, and the choice will complete the quest as well as influence Rex's ending and determine the unique perk he receives:

Special dialogue is also available by taking the newly restored Rex back to the King in Freeside where the gang leader expresses his joy that Rex is in good health again. He will offer to let Rex remain as a companion from then on.

Quest stages[]

StageStatusDescription
1 Talk to Julie Farkas about what can be done to help Rex.
2 Return to the King with the news that Rex can be healed.
10 Take Rex to Doctor Henry in Jacobstown to learn how he can be fixed.
20 Acquire a new brain for Rex from one of Old Lady Gibson's dogs.
25 (Optional) Search for an exceptional canine brain among Caesar's Legion.
30 (Optional) Search for an exceptional canine brain among the Fiends.
50Quest finishedReturn to Jacobstown and have Rex's brain transplant performed.

Notes[]

  • Despite it normally being impossible for a female Courier to participate in the arena at the Fort, she will be allowed to fight Lupa to recover her brain.
  • If Lupa and/or Violetta are killed before starting this quest, their bodies will not despawn, making it so that their brains can still be collected.
  • When talking to The King after completing the quest, he will say "You're a man of your word," even if the player character is female.

Behind the scenes[]

Bugs[]

  • PCPC When asking Henry to perform the transplant using any brain, the game might crash. This issue is related to timescale modifications; setting the timescale to its default value (30.0) should correct the problem.[verified]
  • PCPC Rey can occasionally be found outside Helios One when the Courier is attempting to adjust the reflectors. Rey may be one of the hostile dogs at that time.[verified]
  • PCPC It is possible to stealthily kill Lupa and loot Lupa's brain from her corpse. If she is successfully killed without the player being noticed, Antony may not "notice" that Lupa has died and will still give the player the option to fight her in the arena for her brain. If the player accepts, it is possible to obtain a second Lupa's brain. This should not be done. Having two of the brains in the player's inventory will cause Doc Henry to not recognize that the player has the brain at all, making it impossible to give Rex Lupa's brain. To solve this, either revert to an earlier save, or enter player.removeitem 0013d851 1 in the console. Make sure that only one instance of Lupa's brain has been acquired.[verified]
  • Xbox 360Xbox 360 If the player has already killed Old Lady Gibson as well as her dogs, Rey's quest marker may change positions on the world map, either showing up at Novac or Gibson scrap yard. In both cases, Rey's corpse may be stuck inside the ground, making it hard for the player to see Rey's body or even realize that the body is glitched.[verified]
  • PCPC Xbox 360Xbox 360 Old Lady Gibson may spawn at Helios One hostile. If one does not scavenge Rey's brain, its body will actually stay out back in the solar field.[verified]
  • PCPC There is a chance, if one finishes the quest by talking to Calamity rather than Henry, that the variable for Rex's brain will not be set in the quest, and the player will receive the ending as if the brain had not been transplanted at all. The fix for this is as follows:[verified]
    • Press ~ to bring up the console.
    • Type: set "001176B8".nTransplantResult to X (the quotes are necessary for this to work in the console)
      • X is one of the following:
        • 0 for no transplant ending.
        • 1 for Rey's brain ending.
        • 2 for Violetta's brain ending.
        • 3 for Lupa's brain ending.
    • This console command should fix the issue. This can also be used in comparison with the resetquest trick above. If one enters resetquest 001176B8, it will then be necessary to pick up the quest from The King and do setstage 001176B8 30. Follow the quest through as normal then, and once the quest is over, do the command above.
    • If any other problems are encountered, try this command: set "0010d8df".ReceivedTransplant to 1
  • PCPC Upon transplanting Violetta's brain Rex's Hit Points may become set at 0/0, making him impossible to heal.[verified]
  • PCPC Sometimes the player is unable to enter a conversation with Doc Henry; he spouts "Keep your head down, there could be snipers about" repeatedly. There is no known fix for this bug, however, it may work to disable, enable, kill, and resurrect him using console commands. To complete the quest via console, use the command: setstage 001176B8 100.[verified]
  • PCPC If one completes the first part of the quest by speaking to Doc Henry, The King may act like the quest G.I. Blues is active and will say "My eyes on the street tell me you haven't paid our mutual friend Orris a visit yet. Until you do, we got nothing to talk about."[verified]

References[]

Non-game

Main quests
Act 1Ain't That a Kick in the Head · Back in the Saddle · By a Campfire on the Trail · They Went That-a-Way · Ring-a-Ding-Ding!
Act 2Wild Card (Wild Card: Ace in the Hole, Change in Management, You and What Army?, Side Bets, Finishing Touches) · The House Always Wins (I, II, III, IV, V, VI, VII, VIII) · Render Unto Caesar · Et Tumor, Brute? · Things That Go Boom · Kings' Gambit · For the Republic, Part 2 · You'll Know It When It Happens/Arizona Killer
Act 3No Gods, No Masters · All or Nothing · Veni, Vidi, Vici · Eureka!
Side quests
New California RepublicAnywhere I Wander · Back in Your Own Backyard · Bitter Springs Infirmary Blues · Boulder City Showdown · Can You Find it in Your Heart? · Climb Ev'ry Mountain · Don't Tread on the Bear! · Emergency Radio · Eye for an Eye · Flags of Our Foul-Ups · Hard Luck Blues · I Don't Hurt Anymore · I Put a Spell on You · Keep Your Eyes on the Prize · Medical Mystery · No, Not Much · Pressing Matters · Restoring Hope · Return to Sender · That Lucky Old Sun · The White Wash · There Stands the Grass · Three-Card Bounty · We Will All Go Together · You Can Depend on Me
Caesar's LegionBeware the Wrath of Caesar! · Caesar's Favor · Caesar's Foe · Caesar's Hire · Cold, Cold Heart · I Hear You Knocking · The Finger of Suspicion · We Are Legion
The StripBeyond the Beef · Bye Bye Love · Classic Inspiration · How Little We Know · Pheeble Will · Talent Pool · The House Has Gone Bust! · The Moon Comes Over the Tower
Freeside & Outer VegasBirds of a Feather · Bleed Me Dry · Debt Collector · G.I. Blues · High Times · Someone to Watch Over Me · The Coyotes · Wang Dang Atomic Tango
BoomersAnt Misbehavin' · Sunshine Boogie · Volare! · Young Hearts
Great KhansAba Daba Honeymoon · Cry Me a River · Don't Make a Beggar of Me · Oh My Papa
Powder GangBooted · I Fought the Law · Run Goodsprings Run · Why Can't We Be Friends?
Brotherhood of SteelEyesight to the Blind · Still in the Dark · Tend to Your Business
OtherCome Fly With Me · Crazy, Crazy, Crazy · Ghost Town Gunfight · Guess Who I Saw Today · Left My Heart · My Kind of Town · The Legend of the Star and A Valuable Lesson · Unfriendly Persuasion · Wheel of Fortune
Companion questsED-E My Love · For Auld Lang Syne · Heartache by the Number · I Could Make You Care · I Forgot to Remember to Forget · Nothin' But a Hound Dog · One for My Baby
Unmarked questsA Bit of Slap and Tickle · A Final Plan for Esteban · Access Powers · All Fired Up! · An Ear to the Ground · Andy and Charlie · Arachnophobia · Arizona Scavenger · Barton the Fink · Bear Necessities · Big Winner (Atomic Wrangler, The Gomorrah, The Tops, Ultra-Luxe, Vikki & Vance) · Bounty Killer (I, II) · Brotherhood Bond (I, II) · Caching in at the Cove · Cajoling a Cudgel · Claws Mended · Claws Out · Dealing with Contreras · Defacing the Humble Stone · Democracy Inaction · Eddie's Emissary · Exhumin' Nature · Fight Night · Flogging a Dead Corpse · Friend of the Followers · Gland for Some Home Cooking · Harder, Better, Faster, Stronger · Hat's Entertainment · Help for Halford · Hidden Valley computer virus · Highway to the Danger Zone (I, II) · Honorary Rocketeer · I Love Bananas · Iron and Stealing · Keith's Caravan Charade · Laurifer Gladiator · Lenk's Bad Debts · Lily and Leo · Long-Term Care · Malleable Mini Boomer Minds · Maud's Muggers · Meeting an Equal · Missing a Few Missiles · Most Wanted · Not Worth a Hill of Corn and Beans · Old School Ghoul · A Pair of Dead Desperados (I, II) · Papers, Please · Pistol Packing · Playing on the Old Joana · Powder to the People · Power to the People · Razzle Dazzle! · Reach for the Sky, Mister! · Rest and Resupply · Ringo's Caravan Rules · Rotface's Loose Lips · Saving (or Savaging) Sergeant Teddy · The Screams of Brahmin · Silus Treatment · Short-Term Treatment · Smooth-Talking Criminal · The Star Showdown · Strategic Nuclear Moose · Straus Calls · Strip Search · Suits You, Sarah · Tags of Our Fallen · A Team of Moronic Mercenaries · Thought for the Day · Tourist Traipse · Trudy's Radio Repair · A Trusted Aide · Useless Baubles or Fancy Trinkets? · We Must Stop Beating Like This · We Must Stop Meeting Like This · Wind-Brahmin Wrangler · You Gotta Break Out a Few Eggs · You Make Me Feel Like a Woman
Cut contentCut questsAuto-Inject Quest · Bright and Shiny · Chip Provenance · Debug Topics · Exploring Vault 74 · Jailhouse Rock · Meat of Champions (quest) · TempMan · Underpass Water Purifier · Viva Las Vegas! · Welcome to Fabulous New Vegas · World Changes Post-Endgame
Add-on quests
Dead MoneySierra Madre Grand Opening! · Find Collars (8: "Dog", 12: Christine, 14: Dean Domino) · Fires in the Sky · Strike Up the Band · Mixed Signals · Trigger the Gala Event · Put the Beast Down · Last Luxuries · Curtain Call at the Tampico · Heist of the Centuries · Big Winner, Sierra Madre · Return to the FountainCut content
Honest HeartsA Family Affair · Arrival at Zion · Bighorners of the Eastern Virgin · Chaos in Zion · Civilized Man's Burden · Crush the White Legs · Deliverer of Sorrows  · Departing Paradise · Flight from Zion · Gathering Storms · Gone Fishin' · Happy Trails Expedition · Prisoners of War · Retake the Bridge · River Monsters · Rite of Passage · Roadside Attraction · Sanctity of the Dead · The Advance Scouts  · The Treacherous Road · The Grand Staircase · Tourist Trap
Old World BluesAll My Friends Have Off Switches · A Brain's Best Friend · Coming Out of Her Shell · Field Research · He Came... And Went · Influencing People · Midnight Science Fiction Feature! · Old World Blues · On the Same Wavelength · Picking Your Brains · Project X-13 · Sonic Emitter Upgrade · Welcome to the Big Empty · What's in a Name? · When Visitors Attack! · X-2: Strange Transmissions! · X-8 Data Retrieval Test · X-8: High School Horror! · X-13: Attack of the Infiltrator!
Lonesome RoadThe Reunion · The Silo · The Job · The Launch · The Tunnelers · The Divide · The Courier · The End · The Apocalypse
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