My poor friiend is upgrading his old system!! need wattage help

JakeM7926 · Jan 18, 2014

Hi, my friend has an old Hp computer, and he is looking to upgrade his gpu... he has an AMD a8-3850 processor with an integrated graphics card.. and he bought a Radeon 6670, and he has a 300w power supply... he installed the gpu and his computer wont power on... is it his powersupply?

Jackhiy · Jan 18, 2014

It most likely is his power supply based off that he has a 300 watt power supply and it needs a minimum 400 watts

JakeM7926 · Jan 18, 2014

that is just the factory recommendation, the dont know the brand and other components in the system..

Jackhiy · Jan 18, 2014

the 400 watt is the factory minimum so it needs at least a 400 watt power supply so i would get a 450watt and that should work fine and it gives you a little playing room

JakeM7926 · Jan 19, 2014

people love to quote those factory recommendations..

Jackhiy · Jan 19, 2014

Yeah because the factory knows how much power is needed to power the graphic card and other components

JakeM7926 · Jan 19, 2014

the factory knows what my other components are?

JakeM7926 · Jan 19, 2014

Code:

too many variables!..., and on top of that this doesnt necessarily mean you dont know what your talking about but you joined this website like yesterday..

Jackhiy · Jan 19, 2014

then buy a larger psu like a 500watt

JakeM7926 · Jan 19, 2014

what if i had an FX-8350 and i wanted that gpu.... vs a low end processor that doesnt draw as much power from the psu...

Jackhiy · Jan 19, 2014

you would need like 500 watts
fyi i have built many computers in my life so i kind of know some stuff

JakeM7926 · Jan 19, 2014

so.. your saying that i would need something higher than the factory's recommendation therefore contradicting yourself when you said that the factory knows how much power is needed.

I_am_computer · Jan 19, 2014

Factory recommendation is Wattage Requirements for that piece of hardware only. If you are trying to add a helicopter rotor on the top of your case you're going to need a bigger power supply.

Jackhiy · Jan 19, 2014

no i was saying that the factory know the amount of wattage your computer needs for that one component. then what most people do is they add a couple of watts on to that number

JakeM7926 · Jan 19, 2014

It does not take 400w to power the graphics card dude...

Jackhiy · Jan 19, 2014

Yes i know but you want to follow the FACTORY recommended wattage

I_am_computer · Jan 19, 2014

Follow the factory recommended wattage. Don't end up like James.

JakeM7926 · Jan 19, 2014

haha, gg.. i would normally always follow factory recommendation... but im wondering if he received a DOA gpu or it wont boot because of the psu

I_am_computer · Jan 19, 2014

Are you not getting any response at all? It could be that you have unplugged the case power button as well.

Jackhiy · Jan 19, 2014

JakeM7926 :

If you feel like you could have a bad gpu (most likely not) you can call them and ask some questions. but based off that there is only 300 watts of power it is most likely the psu

Illumynization · Jan 19, 2014

Lets end this peacefully and take it to PM if you need to. Yes if the factory minimum recommendation says 400W then you should consider that the company considers an "average build" for that component to use a total of less than 400W. Of course you should personally take your own components into consideration and factor those in to your decision rather than just going with what the factory recommends.

Use this to see how much wattage you need:
http://www.extreme.outervision.com/psucalculatorlite.jsp

Also, I would agree that the PSU is not giving out enough juice and is the reason it won't turn on.

JakeM7926 · Jan 19, 2014

Well, thanks everyone for the help, that was what i thought to begin with but i wanted multiple opinions on it!

Jackhiy · Jan 19, 2014

Np just here to help.

My poor friiend is upgrading his old system!! need wattage help

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