PC is shutting down after installing new graphics card!

Hello,

I just installed a Sapphire AMD Radeon HD 6950 graphics card. When i play just about any game my computer shuts itself down. I have tried cleaning my tower and making sure my system isnt overheating but im not sure what is going on. Any idea?

Specs:
AMD Phenom(tm) II X2 521 Processor
3.5 GHz
Windows 7 Home Edition 64 Bit
AMD Radeon HD 6950
4.1 GB Ram
8 answers Last reply
More about shutting installing graphics card
  1. what wattage is your powersupply?
  2. 250W Max
  3. xD You need a new PSU to run that card.
  4. Figures! :P any suggestions less than $80?
  5. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139028

    corsair 600W $59.99 after $10 off w/ promo code EMCNCNE23 (FREE SHIPPING) code ends today.
  6. Thank ya for the help! if i get a different PSU what is the minimum Wattage that i will need?
  7. Based on reviews 500W is recommended.

    Just be aware there are a lot of crap brands out there that will end up costing you much more than the price difference between a bad PSU and a quality PSU.
  8. Agree with Lycros, corsair 600w will serve you well. For $60 you cant beat that deal. Its not modular but that will cost you more
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