I want to buy forsa nvidia 620 gt 2gb ddr3 graphics card can it run hardcore games its gpu clock speed is 1400mhg plz rply

SOURCE: i have a nvidia geforce 9400 Gt graphics card how can i overclock

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You're not going to get a lot out of that card, it's pretty stripped down being a 9400. Anyways, download Rivatuner then after it detects your video card it will update your registry which will allow it to manipulate your video card.

You then use it to increase your Memory and Core clocks, and also the shader clock in VERY small steps. Increase it by perhaps 20MHz then try playing the most visually demanding game that you own and play it for like 5 to 10 minutes and watch for anything out of the ordinary. When you've pushed your card too high there are obvious signs, like random pixels flashing across the screen, textures showing up wrong (colours where they shouldn't be), or your game can simply lag or crash.

Also download Speedfan and monitor your GPU temperature closely. See what it idles at normally, then use Rivatuner to increase your fan speed to somewheres around 75% and make sure that the temperatures don't pass 70C.

Overclocking voids warranties and you can damage your graphics card if you push it too hard. You have to be careful and watch for signs that it's being pushed too hard. Also, you have to make sure that you set your clock speeds back to normal when you don't need the extra power. It's easier on your card then running it at 120% or something permanently.
Rivertuner: http://www.guru3d.com/index.php?page=riv…
Speedfan: http://www.almico.com/speedfan.php

Hope it helps...Good luck

NANDAKISHORE

• 304 Answers
• Posted on Oct 04, 2009

SOURCE: I want some information about Nvidia GeForce 9400 GT 1GB DDR 2

If you are using Dual Core the mother board you are using may have PCI Express Slot. So that you may install Graphics card. Only for particular lower end mother board doesn't have this feature. Any way tell me your motherboard make and model no. e.g., Intel DG31PR, 945GNT, DG41TY etc.,