Intergrated Video is running very hot and lags (Intel Extreme2 )

Turn off built in video and add a better card. See the minimum graphics specs for software. The video memory is shared on those Intel cards. Meaning that 4GB RAM is not totally available. The OS is going to use 1-1.5gb for running the system, then 256 (.25 gb) for the video. Means that a max of 1.75gb is available to run the game. You should have at least 8gb min. in a modern system. Especially if Win7 to Win10.

BTW: 4gb is good for surfing, or writing documents, but when you get into gaming ware - the pc spends most of its time using the swap file, (source of lag, since HD is 1000x slower than ram). So it stops the game to write, stops the game to read back aka LAG.

You can't upgrade the video card on this laptop. It's intergrated on the motherboard.

Depends on the game you are playing .. Chk the min graphics card spec needed.. that card you have is pretty old to play heavy games.
Try playing in windowed mode if game supports with low graphic settings

HI, Regarding this issue please do update the graphics card driver for your computer.

that unit may have decent processor specs but that means nothing because the video card for those are a ATI Radeon 200M. World of Warcraft does nto support that video card correctly and is too slow to make the graphics not lag.

counter strike source on full low everything will run fine on this video card but the game will look bad.

The issue could be the fps for your webcam video is low, and the audio continues playing while the video lags a bit. Try going to this free webcam test site. Record yourself for 15-20 seconds and then play it back. Your webcam fps rating will appear below the play back window. If it is less than 10 then your webcam isn't very good and you might want to invest in a better one with a higher fps spec. If the result is more than 10 then your webcam is fine, but the service provider you are using is lowering the bandwidth causing a lower fps result. The only thing you can do is to switch service providers. I hope this is helpful.

* The system configuration of Acer Aspire 4720Z PC Notebook is :

160 GB or larger hard disk drive / 5-in-1 card reader / 512 MB or 1GB DDR2 533 MHz DIMM module / Intel Pentium dual-core mobile processor technology T2310 (1 MB L2 cache, 1.46, 533 MHz FSB), Mobile Intel GL960 Express Graphics Chipset.

* Your system have "Mobile Intel GL960 Express Graphics Chipset" graphics accelerator card embedded in the motherboard. Like most of the laptops/notebooks, there is no room for upgrading the graphics card in the motherboard!

* But you can upgrade the RAM upto 2 GB using two DDR2 DIMM memory modules.

* If you want to play 3D games with better performance, switch to Windows XP SP2 and upgrade the RAM!

* If you want to upgrade the memory (RAM), you can check this site : http://www.laptoppartsexpert.com/c-60093-acer-aspire-4720-series-as4720z.html

please rate this advice if it helps...tc! :)

you need to install that driver cause its for the chipset of your motherboard. Now on the lag on you graphics. Do you have video card or onboard video? If you use onboard video you will not be able to overcome the lag cause the onboard video is very basic. If you are using a video card then plz tell me the model. Other thing to look for to help on lag is the amount of system memory. I suggest at least 2GIG or more

It won't be the Direct X. You should be running no less than Direct X 9.c for XP, and 10 for Vista. The reason will be your graphic's chipset isn't really good enough for the game that you're trying to run.

One thing to do, is to download the most current drivers for your system, which can be found on the support and download page of the Sony website. If you look on the back of the box on almost all games, they come with a little note along the lines of "while laptop or intergrated chipset versions of the above may work, they are not supported". Unfortunately if updating the drivers doesn't help, then the only solution is to play it on an up to date desktop system.

Sorry, but if it has intergrated video as you say then video card is NOT upgradable, simply because it does not have a card (It is intergrated into motherboard). That unit can take up to 4GB of ram 2GBX2 DDR2 PC25300 200pin SODIMM $56.00@ crucial.com. It is able to share an dditional 256mb of memory from system for a total of 512mb memory on video. With a little research u should also be able to upgrade the cpu.
Hope this helps good luck,
Dave