An expansion card inserted into a motherboard for rendering graphics with enhanced performance over integrated graphics solutions.

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692
votes
3answers
134k views

Transatlantic ping faster than sending a pixel to the screen?

John Carmack tweeted, I can send an IP packet to Europe faster than I can send a pixel to the screen. How f’d up is that? And if this weren’t John Carmack, I’d file it under “the interwebs being ...
40
votes
9answers
127k views

How do I determine which graphics card I'm using?

I recently read this answer on Gaming.SE, which made me realize that I actually have no idea how to tell which graphics card I have in my PC. Where can I find this information?
36
votes
5answers
15k views

How does the CPU and GPU interact in displaying computer graphics?

Here you can see a screenshot of a small C++ program called Triangle.exe with a rotating triangle based on the OpenGL API. Admittedly a very basic example but I think it's applicable to other ...
35
votes
6answers
47k views

Broken mouse cursor on main monitor, Windows 7 64 Bit, ATI Radeon HD 7870

UPDATE: Please check out the new answer I've posted to this problem. It might be that a solution to this frustrating problem exists now. Scroll down to see it. Quite a while ago my graphic card died ...
32
votes
3answers
3k views

What exactly is a laptop “display audio” driver?

I've downloaded an Intel HD Graphics driver for my Dell laptop and the installer's welcome screen says it will install the following components: Intel Graphics Driver Intel Display Audio Driver ...
31
votes
2answers
2k views

Why did my graphics card explode?

How did my graphics card "explode" like it did in the picture I have here? And if I was just plugging into my on-board graphics, why wouldn't the PC boot up like it normally would? It wouldn't come up ...
28
votes
4answers
13k views

What exactly is VGA, and what is the difference between it and a video card?

Operating system development tutorials pinpoint reaching screen data by writing directly to VGA or EGA or Super VGA, but what I do not get is what is the real difference between writing to a fixed ...
26
votes
2answers
3k views

Why do lots of games have Direct X 9 and 11 options, but NOT DX10?

I don't really know much about DirectX other than it is responsible of having better graphic options for games, for example, tessellation and Ambient Occlusion in DX11. But my question is, why some ...
26
votes
1answer
62k views

How can I test my GPU memory/RAM? [duplicate]

I run MemTest86 a lot at work on customer's machines, and it's great for troubleshooting memory issues. My question is, how can I test that a GPU is starting to go? I know of programs like 3DMark to ...
26
votes
1answer
49k views

What is the difference between the different nVidia Quadro drivers?

I have a nVidia Quadro FX 1700 graphics card and there are different drivers offered at the nVidia driver page: Quadro ODE Graphics Driver Quadro Performance Driver Quadro Partner Certified Driver ...
23
votes
12answers
17k views

How to Use 3 Monitors

Right now my setup has a nice big 24" flatscreen in the center with a 19" flatscreen to the left. But I have a big gaping hole on the right. I have a 3rd monitor to put there, but I'm not sure how to ...
23
votes
2answers
2k views

Why do workstation graphics cards cost far more than equivalent consumer graphics cards?

An Nvidia GeForce GTX 780 Ti costs $700, while a Quadro K6000 costs $4000—yet they use the same underlying GK110 core! The same can be said for other workstation GPUs from both Nvidia and AMD. ...
23
votes
1answer
5k views

ATI CrossFire instability and horizontal bands?

I recently added another ATI 5870 card to my system to experiment with ATI Crossfire (dual GPU) performance increases. However, I've had a lot of intermittent stability problems, most seriously a set ...
22
votes
5answers
111k views

How can I enable onboard graphics AND dedicated card simultaneously?

My PC (Compaq Presario) has an onboard Intel 3100 which is pretty lame wbut would be useful for testing on, or a 3rd monitor. I've then got a nVidia PCIx card installed. I can't seem to find a way to ...
22
votes
4answers
19k views

Converting DisplayPort and/or HDMI to DVI-D?

Newer Radeon video cards come with four ports standard: DVI (x2) HDMI DisplayPort If I want to run three 24" monitors, all of which are DVI only, from this video card -- is it possible to ...
18
votes
4answers
8k views

Why are graphics cards upside-down?

This is something that has always bugged me - when I install a card into a desktop (ie mini tower) case, the fan is always facing down. Surely, making the card so the components and fan is on the top ...
16
votes
4answers
5k views

Does a USB Monitor require VGA Card?

Does a portable USB monitor require a VGA Card? For example this monitor: http://us.aoc.com/monitor_displays/e1649fwu http://us.aoc.com/monitor_displays/e2251fwu If I buy a PC without any GPU ...
16
votes
3answers
4k views

How do I prepare Windows 7 for a graphics card update?

I'm about to upgrade my graphics card from a Radeon HD 3650 to a Radeon HD 6770. Prior experience of upgrading graphics cards under all other versions of Windows (but not 7) has been the following: ...
16
votes
5answers
166k views

How can I detect the model of my graphics card?

I know of many ways to get a rough idea of my graphics card model. Here are two examples (instructions for Windows 7): Method 1 1) Click start 2) Type dxdiag and press enter 3) Go to the Display ...
16
votes
2answers
13k views

Connecting a 2560x1440 display to a laptop?

Having read Jeff Atwood's blog post on Korean 27" IPS LCDs, I've been wondering to what extent these are useful in a notebook + large display situation. I own a Lenovo Thinkpad Edge E320 with 2nd ...
15
votes
11answers
92k views

How can I use a DVI splitter cable on 1 DVI port?

I have a GTX 275 video card with 2 DVI ports. I already run 2 monitors, but I've seen cables that plug into one DVI port and split into 2 more connectors. Is there some special trick to getting this ...
15
votes
4answers
15k views

What is the difference between a GPU and a graphics card in a pc?

What is the difference between both these things? Are they same? Is there a difference between their capabilities?
15
votes
3answers
3k views

How much power do video cards use after Windows turns your display off?

Modern video cards seem to use 150-200 Watts at idle. Does this mean that this is the minimum power the video card will ever draw while your computer is on? It's clear that if you are sitting at the ...
13
votes
3answers
4k views

In video card specs, does “maximum resolution” mean the resolution for EACH monitor?

In video card specs on Nvidia or AMD’s web sites they often list maximum display resolution. If a card has two DVI ports or two DisplayPorts, and has a maximum resolution of 2560×1600, does that mean ...
13
votes
1answer
55k views

Can I force my laptop to use NVIDIA instead of Intel?

I have a Dell N5110 laptop with integrated Nvidia GeForce GT 525M and an Intel HD Graphics 3000 card; My problem is the default card is the Intel one, and it provides a very bad performance with ...
13
votes
2answers
818 views

Screen fuzzes/zig zags on a custom build

Recently, I built my first computer: Intel Core 2 Duo E6600 4 x 1GB DDR2 RAM 500GB SATA hard drive Radeon HD 6770 graphics card by XFX - using one monitor via DisplayPort -> VGA adapter. MSI P6N SLI ...
12
votes
4answers
18k views

Confirm correctly working of hardware acceleration in Chrome (Windows 7)?

I'm having troubles getting hardware acceleration support for Youtube. Both Windows and flash player are enabled for hardware acceleration. The drivers for the graphics card are installed. The ...
11
votes
7answers
17k views

How to make my display Grayscale?

I want to reduce the saturation of my laptop monitor to the point that it is almost grayscale. That's the goal. Intel and Asus don't have an answer. Asus Splendid and the intel graphics control panel ...
11
votes
1answer
29k views

How can I get multiple video cards to work on linux?

I installed fedora 12. I have 2 ATI cards that I used to use on windows to run 4 monitors. A recurring problem has been to get them detected in linux. Only my secondary card is picked up linux. When ...
11
votes
1answer
165k views

How can I determine and set my primary graphics card?

I have a Lenovo W520 laptop with two graphics cards: I think Windows 7 (64 bit) is using my Intel graphics card ₃ which I think is integrated — because I have a low graphics rating in ...
11
votes
1answer
2k views

How can I tell if my graphics card will take advantage of a 120Hz monitor?

My specific hardware setup is that I have a GeForce GTX 580M in my laptop, and I'm considering buying an Iiyama Prolite G2773HS monitor. However, I would hope that answers to this question would be ...
10
votes
7answers
8k views

Graphics card fails after ten minutes of gaming

I am using Windows 7 and ATI Radeon HD 4800 Series graphics card. My problem is that while playing some games (I think ones which require more graphic resources like Sims 3, NBA 2k12) after 10-30 mins ...
10
votes
3answers
4k views

Can someone explain the naming of the different graphic card models?

Can anyone explain the naming of all the different graphics card models? This question comes after reading an answer for another question at the Gaming StackExhcange site. Which made me wonder about ...
10
votes
2answers
131k views

How to identify what slot type a particular PC card is?

Is there a good place to go to identify what kind of slot my spare video card uses? A site that shows pictures of the various slot types so I can identify this one?
10
votes
2answers
848 views

Building my own computer [closed]

I'm planning to build my own computer. I do not have enough cash to buy all components I need in one go. I want to ask, if I buy motherboard which is compatible with i7 processor (any) and compatible ...
10
votes
6answers
33k views

Maximum number of monitors Win 7 Supports?

I want to set up a system with (9) monitors arranged in a 3x3 grid. Is this configuration possible with Windows 7? Does it max out at a set number of monitors? Any suggestions about known working ...
10
votes
3answers
6k views

Triple output video card

I currently have a dual monitor setup, but I would like to expand to 3 monitors. My motherboard only supports 1 PCI-E card, so I was wondering if it's possible to head a triple-output video card? It ...
10
votes
5answers
1k views

Video card killed my computer

I was in the middle of playing Insurgency, and I had just tried to switch servers when the entire game froze. No biggie, I thought. I'll just restart the game and go on my merry way. Of course, this ...
10
votes
3answers
8k views

3 Monitor PCI-e Graphics card on Linux (without tremendous pain)?

As we are all painfully aware, the only way to get multiple monitors AND compositing (Compiz) on Linux is to use a single graphics card that can drive both (or in my case all three) screens. I bought ...
10
votes
1answer
25k views

Where is xorg.conf in Ubuntu 10.04?

I'm in the middle of trying to setup dual monitors on ubuntu and would like to backup my xorg.conf... The documentation I've been thus far say to do the following: sudo cp /etc/X11/xorg.conf ...
10
votes
5answers
26k views

Does the HDMI port on a video card support audio?

When purchasing a video card based on nVidia or AMD, does the HDMI port support audio as well as video? For what it's worth, I'm running Xubuntu 14.04. Here's an example of a video card with ...
10
votes
3answers
5k views

Reducing video mode switching during Linux boot

When I boot up my desktop computer, which only has Linux on it, the video mode and/or console font gets switched four times: When GRUB starts, it switches from 80x25 text to a graphical mode so it ...
9
votes
1answer
16k views

Disable discrete graphics card on MacBook Pro Early 2011

I have an early 2011 MacBook Pro that is affected by the well known problem on the graphics card (AMD 6490M 256MB). Apple Forum thread Hopefully waiting for an Apple replacement program I want to ...
9
votes
2answers
659 views

How to estimate a laptop's battery life before purchase?

I am looking to buy a laptop and one of the criteria, of course, is battery life. But how do I compare? Most online shops will only tell me that the battery is "6-cell" Should I go check the ...
9
votes
10answers
33k views

Multiple monitors broken with Windows 10 upgrade

I have a HP ENVY 17-3200 (switchable graphics: Intel HD 4000 + AMD Radeon HD 7800M) with a triple monitor setup: Laptop's builtin LVDS 1080p display DisplayPort WQXGA display DisplayPort 1080p ...
9
votes
1answer
354 views

Why does my PC have 4 graphics adapters?

I bought a Fujitsu Lifebook AH532 laptop yesterday. Before buying it, I was told it has a GeForce GT640 graphics card installed, but when I started it and ran AIDA64 it showed me 4 graphics adapters, ...
9
votes
1answer
9k views

Windows 8.1 triple monitors - can't enable all 3 at the same time

Today decided to update from Win8 Pro to Win8.1. Everything was fine with enabled 3 monitors (Extended mode, not Eyefinity) at the same time. But after update can't enable 3d monitor, only 2 could be ...
9
votes
3answers
12k views

Finding hardware information on linux without lspci

I have an ARM device running ArchLinux. The device doesn't appear to have any PCI bus, even though it has USB. [root@alarm ~]# lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub ...
9
votes
3answers
3k views

What are the Requirements for Fullscreen Consoles in Windows 7?

When you try to switch a console to fullscreen in Windows 7, it gives the error This system does not support fullscreen mode. Of note is the part about “this system”, intimating that some systems do ...
9
votes
1answer
1k views

At what working temperatures will my gpu not only survive, but have a long healthy life

There are plenty of questions about what a safe gpu temperature is, but these seem focused on what temperatures a gpu will survive at in the short term, regardless of whether it may shorten the cards ...