Graphics card/PSU upgrade

Raul14 · Nov 1, 2013

Hi all, I have a Lenovo H520s slim with i5 and I recently bought a Diamond Radeon HD 7750 card. I installed no issues however when I turn on the screen is black. I was told the reason is my 240w PSU and that I needed to buy a 400w PSU. Has anybody had any issues with this and can anybody recommend a 400w PSU?

Or is it easier to upgrade the case and not be limited to low profile graphics card and PSU for a slim case? I use this for gaming and really wasn't thinking when I bought the slim version. Still a newbie when is comes to computers.

Any help and direction is appreciated.

IRONBATMAN · Nov 1, 2013

where do you live and what is your budget ?

Raul14 · Nov 1, 2013

Southern California and no more than a few hundred. But again all depends on my options and cost.

IRONBATMAN · Nov 1, 2013

Here's a Corsair Cx430. It's enough for the HD 7750.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139026

IRONBATMAN · Nov 1, 2013

and yeah , if you get a mid tower ATX case or maybe a mirco-ATX case, then you would have a wider variety of components to choose from.

Raul14 · Nov 1, 2013

Ironbatman, do you know of any websites that can help me with info regarding upgrading my current slim to a micro ATX case? I think i can do it on my own but would like to read some info on it first.

Raul14 · Nov 1, 2013

Or should I just for a PSU for the current slim i have?

IRONBATMAN · Nov 2, 2013

Call me IBM for convenience.

To upgrade to a Mirco-ATX case , you don't really have to change anything.

I like the Rosewill Line-M and Sharkoon MS140 . They have quite a lot of features and are both micro-ATX

AxlFone · Nov 2, 2013

Look corsair 350D case. Or Fractal
http://pcpartpicker.com/part/fractal-design-case-fdcaarcr2blw
Bit expensive but good. If you look cheaper then Core 1000 is good choice.
http://pcpartpicker.com/part/fractal-design-case-fdcacore1000usb3bl

Corsair 350D is nice case.
http://www.youtube.com/watch?v=YUPLkB9kNPQ

Really nice water cool build she did make

Worth to look

Raul14 · Nov 2, 2013

Alright got new case and PSU. Swapped everything over works great. The problem now is when I install my Radeon HD 7750 all I get is a black screen. I checked my bios and it's set to auto select the PCI slot first. The fan spins on the card so I know it's getting power. Anybody have any thought? PSU is 450w.

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