Security Systems for Home

Posts Tagged ‘computer’

A Network Address Translator can cure many of the access problems you may have with your home broadband connectivity through the process of multiplexing. This simple, affordable solution can mean the difference between effective in-home networking, and being bogged down with broadband restrictions.

You work from home and have a computer network, your own little LAN for you and the kids. Great. You get your work done, your spouse gets connectivity and the kids get their schoolwork done in record time on their own computers. And all of you can work, study, instant-message your friends or surf the Web from anywhere in the house, or even out by the pool. All this is thanks to your wireless connection to your broadband Internet service.

There’s one little problem…your broadband provider will supply you only a single Internet address, and it wants to charge you for each additional address, or, worse yet, there are no more addresses available right now. Only one computer can connect to the Net at a time. Oops.

“What do I do now?” you say. “Go back to a dial-up connection? Go back to a snail’s-pace link?” (Can you hear the kids now?) “Nooooooooo!”

Fear not, dear modern homeowner and connected parent, there’s a simple, and affordable solution. It’s called NAT, Network Address Translation, and not only will it allow your family simultaneous connectivity to the Net via that single Internet address, it will provide a little more security as well.

Network Address Translation is a technique used by NAT routers to translate Internet addresses from one address to another as data passes through the router. An ordinary router leaves the Internet address unchanged and simply passes the information along. A NAT router, however, changes the address to its own. This serves two purposes: computers on a LAN can access a broadband connection and “look” like only one, and it keeps computers outside your network from “seeing” yours, which adds another layer of security to your home-based LAN.

Here’s how it works. Each time it contacts the Internet, a computer is assigned an address that works much the same way your street address does. Information sent out from a computer is given an address so it can get to its destination. At the same time, a return address is attached to the information. Information sent through a standard Internet router looks the same way it did when it left your computer. It has the destination address and the return address on it. It’s this return address that the Internet reads to know who is sending the information, but so can everyone else. Additionally, if you have a broadband connection with only one Internet address authorized at a time, only a single computer in your LAN can be on the Net at a time.

However, information sent through a NAT router has its return address removed and stored in the router, which then passes the information along with no further changes. The NAT router assigns its own return address to your information, so, no matter how many computers are accessing the Net, they all have the same, single Internet address. The many look like one, which means the broadband system is seeing only that one Internet address, and allows the traffic to pass unimpeded.

The division of one signal, the signal on the Internet side of the NAT router, into the many signals on the LAN side of your router, is called multiplexing. Multiplexing, this ability to have several computers using only one Internet address on the Net, may sound like you’re cheating the broadband provider, but you are actually providing a necessary service to the entire Internet community. There are only so many Internet addresses available, about four billion. Four billion. That sounds like a lot, and it is, but the number of computers accessing the Internet exceeded that number years ago. Were it not for multiplexing, the Internet would slow down and possibly just grind to a virtual halt.

Multiplexing allows computers on LANs to be serviced by a single Internet address. The individual computers will share addresses within the LAN, and these may be the same used on the Internet and other LANs; however, since they are isolated in their own, closed system, there is no problem with the duplication. The global Internet sees only the single Internet address assigned to your NAT router. Thus, the world’s more than four billion computers can still use the less than four billion available addresses without bogging down the system.

The second advantage of the NAT router, which is pure serendipity, is that your LAN is essentially invisible to the world. Outside computers see only the router, not the computers on your LAN behind it. Since the router removes and stores Internet addresses originating from the LAN, it expects only those transmissions that it recognizes as being in response to what it sent out. Unanticipated messages coming from the Net literally have nowhere to go; the NAT router doesn’t recognize them, and won’t let them pass. A computer from the outside, say that of a hacker, cannot initiate contact with your LAN.

Now, so we don’t give you a false sense of security, running a computer behind a NAT router will not give you complete protection, though it can complement your current security measures. Malicious codes can still be downloaded through NAT, and Trojan Horse programs can still initiate connections to a hostile server. Web browsers and email operates through NAT unhindered, so any threat from Web sites and email still exists because the intended victim initiates these contacts, and opens a window to trouble if not careful. Imagine Dracula hovering outside your bedroom window…he can only enter if you invite him in. NAT’s your window; don’t open it to the vampires!

The NAT program is implemented in a computer or dedicated hardware device that joins two networks. One network is your LAN, and the other is the Internet, or WAN, the Wide Area Network. A NAT router has at least two physical connections or ports. These can be either two Ethernet cards, or an Ethernet and a modem. NAT software, like Internet Connection Sharing software by Microsoft, is available from many companies.

NAT software running on a computer is not the same as a Proxy Server, which can also run on a computer sitting between two networks. Every Internet-based application on a Proxy Server must be reconfigured on every local computer to use the server. With NAT, no reconfiguration is needed, which makes your life a lot easier.

NAT can also be implemented in a dedicated hardware device called a broadband router, cable modem router, or DSL router. In the purest form, the router has two Ethernet ports, usually labeled LAN and WAN. Some devices come with a DSL modem, V.90 modem, or cable modem. The modem or cable connection replaces the WAN port in those cases. Some devices have a Wireless Internet connection built in that is connected to the LAN port, allowing additional computers to connect through the wireless network.

Typically, routers incorporate a DHCP, a Dynamic Host Configuration Protocol, which assigns an Internet address and a Gateway address to each computer on the LAN. The NAT router is the Gateway, the access point to the Internet, so the LAN computers use its address for their own. The Internet protocol sends information not addressed to another computer on the LAN to the Gateway address. Thus, any information destined for the WAN, the global Internet, is sent directly through the NAT router looking as though it only came from the router, not the individual computer.

NAT can cause some problems with some protocols and Internet applications. A simple example is a Web server, which must accept incoming connections from other computers wishing to access its data. If the server is behind a NAT router, incoming connections are not possible and the server will be invisible to computers on the Internet.

Problems can also be had with FTP and some videoconferencing protocols; however, there are simple work-arounds and provisions to overcome difficulties with these and other programs.

Incoming signals that aren’t accepted by the NAT router can be stored in a “safe” area of the router called the DMZ, for Demilitarized Zone, rather than throwing them away. This feature allows these files to be reviewed and dealt with individually instead of just discarding them unseen.

NAT is a simple way to connect several computers in a wireless LAN to a single broadband connection or add an extra level of security to complement your existing firewalls, virus detection systems and other security protocols. While it may not solve all connectivity problems, it is a quick, affordable and easy solution that can be readily installed in your family’s local area network. Your mobile family members are safe to access the Web with their wireless Internet connections, your broadband provider won’t be stifling your connectivity and you’ll be helping the global Internet community to boot. The best part is, your window shades will be drawn and Internet vampires can’t get in, unless you invite them.

I have this old computer lying around and I want to install some cameras into my home. What do I need to make this work?
For example, what software and other necessary stuff do I need for my computer?
Also, I don’t want to spend a lot of money on this, so cheap tips please.

Thanks

Controller Interface Type Serial ATA-300
Type Serial ATA – integrated
Graphics Controller Video Memory 256 MB
Graphics Processor / Vendor NVIDIA GeForce 8500 GT
Type PCI Express x16 – plug-in card
Max Monitors Supported 2
Digital Video Standard Digital Visual Interface (DVI)
HDCP compatible Yes
Processor Max Supported Qty 1
Installed Qty 1
64-bit Computing Yes
Multi-Core Technology Dual-Core
Type Intel Pentium Dual Core E2180 / 2 GHz
Card Reader Supported Flash Memory Cards CompactFlash Card type I, CompactFlash Card type II, Memory Stick, Memory Stick PRO, Microdrive, MultiMediaCard, SD Memory Card, SmartMedia Card, Memory Stick Duo, xD-Picture Card, Memory Stick PRO Duo, miniSD, RS-MMC, MultiMediaCardmobile, MultiMediaCardplus
Type 15 in 1 card reader
Networking Data Link Protocol Ethernet, Fast Ethernet
Networking Network adapter – integrated
Mainboard Data Bus Speed 800 MHz
Chipset Type Intel 945G Express
Optical Storage Disc Labeling Technology Labelflash Technology
Rewrite Speed 32x (CD) / 6x (DVD-RW) / 8x (DVD+RW) / 12x (DVD-RAM)
Write Speed 48x (CD) / 18x (DVD±R) / 8x (DVD±R DL)
Read Speed 48x (CD) / 16x (DVD)
Type DVD±RW (±R DL) / DVD-RAM – IDE
Miscellaneous Included Accessories Remote control
Multimedia Functionality Analog TV System NTSC
TV Tuner Type Digital and analog TV
Video Input Integrated in TV tuner
Video Capture Interface S-Video
Digital TV Reception ATSC
Expansion / Connectivity Interfaces 6 x Hi-Speed USB – 4 pin USB Type A ( 2 in front ) ¦ 1 x IEEE 1394 (FireWire) – 6 pin FireWire ¦ 1 x display / video – VGA – 15 pin HD D-Sub (HD-15) ¦ 1 x parallel – IEEE 1284 (EPP/ECP) – 25 pin D-Sub (DB-25) ¦ 1 x serial – RS-232 – 9 pin D-Sub (DB-9) ¦ 1 x mouse – generic – 6 pin mini-DIN (PS/2 style) ¦ 1 x keyboard – generic – 6 pin mini-DIN (PS/2 style) ¦ 1 x network – Ethernet 10Base-T/100Base-TX – RJ-45 ¦ 1 x modem – phone line – RJ-11 ¦ 1 x display / video – composite video input – RCA ( 1 in front ) ¦ 2 x audio – line-in – RCA ( 2 in front ) ¦ 2 x microphone – input – mini-phone 3.5 mm ( 1 in front ) ¦ 2 x audio – line-out/headphones – mini-phone stereo 3.5 mm ( 1 in front ) ¦ 1 x audio – SPDIF – TOSLINK ¦ 1 x audio – line-out (center/subwoofer) – mini-phone stereo 3.5 mm ¦ 1 x audio – line-out (rear) – mini-phone stereo 3.5 mm ¦ 1 x audio – line-out (side surround) – mini-phone stereo 3.5 mm
Expansion Slots Total (Free) 1 ( 0 ) x processor – LGA775 Socket ¦ 4 ( 0 ) x memory – DIMM 240-pin ¦ 1 ( 0 ) x PCI Express x16 ¦ 1 ( 0 ) x PCI Express x1 ¦ 2 ( 1 ) x PCI
Expansion Bays Total (Free) 2 ( 1 ) x front accessible – 5.25″ ¦ 1 front accessible – 3.5″ ¦ 2 ( 1 ) x internal – 3.5″
Operating System / Software Software Microsoft Internet Explorer, BigFix, CyberLink Power2Go, Google Toolbar, Napster Digital Music Service (30 days trial), Adobe Reader, Google Desktop, Microsoft Money 2006, Microsoft Works 8.5, McAfee Internet Security Suite (90 days subscription), Microsoft Office 2007 Home and Student Edition (Trial), WildTangent (10 demo games with 60 minutes of game play)
OS Provided Microsoft Windows Vista Home Premium
General Weight 23.4 lbs
Height 15.6 in
Depth 16.1 in
Width 7.2 in
Product Form Factor Mini tower
Recommended Use Home use
Type Personal computer
Storage Hard Drive 1 x 500 GB – standard – Serial ATA-300
Telecom Protocols & Specifications ITU V.92
Max Transfer Rate 56 Kbps
Modem Fax / modem – PCI – plug-in card
RAM Configuration Features 2 x 512 MB + 2 x 1 GB
Form Factor DIMM 240-pin
Memory Specification Compliance PC2-5300
Memory Speed 667 MHz
Technology DDR2 SDRAM
Installed Size 3 GB / 4 GB (max)
Features Dual channel memory architecture
Input Device Type Mouse, keyboard
Power Device Type Power supply
Voltage Required AC 120/230 V ( 50 – 60 Hz )
Power Provided 300 Watt
Monitor Monitor Type None.
Mouse Features Scroll
Interface USB
Technology Optical
Cache Memory Cache Per Processor 1 MB
Installed Size 1 MB
Type L2 cache
Storage Controller (2nd) Type IDE – integrated
Manufacturer Warranty Service & Support Details Limited warranty – 1 year
Service & Support 1 year warranty
Audio Output Compliant Standards High Definition Audio
Sound Output Mode 7.1 channel surround
Type Sound card – integrated
Speaker(s) 2 x right / left channel

Over the past recent years security has become the major concern of the internet users. It is important to keep your home computer secure from the viruses, hackers, spyware and other security threats. These security tips are applied on the Windows based operating systems such as Microsoft Windows 2000 Professional, Windows XP Professional and Windows 2003 Server. The general methods of securing your computer and network is keeping your operating system up-to-date, installing up-to-dated antivirus program, anti spyware program, applying security templates, restricting the access to computer server of unauthorized users and applying security patches Microsoft’s website.

The major threats to computer are viruses, spyware, accidental deletion of the files, information theft and unauthorized access. More and more malicious codes are being are written to develop the viruses, Trojan horses, spyware, malware and adware.

Applying local security policies on each computer in a network is a must and you can access the local security policies in the Administrative tools in the Window’s control panel or by simply running it secpol.msc or gpedit.msc. Remmeber that the key policies that should be enabled are audit login for the failed events, creating password policies and requiring Ctrl+Alt+del for login.

If you have made a shared folder in your computer to be accessed by the other users in network, make sure that you have set the permissions to access this folder to only the required users. If you haven’t secured the shared folder by restricting the permissions then your sensitive information can be leaked and your data can be deleted accidentally from the shared folder.

If your computer is directly connected to the internet through Dial up connection, DSL or cable net you need to protect your computer by connecting the hardware firewall and it is also a good idea to install and configure the software firewall as well. In Windows XP there is built in Firewall installed and you can turn it on and off by going to control panel and select “Network and Internet Connections”. You can also try Sygate personal firewall.

Another security measure is to identify the mysterious processes running at the backend with the operating system. These processes starts when the Windows startup. Identify the description and command line instructions for each process.

Bad or weak passwords are the most important causes of the security compromises. A password should never be a dictionary word. A password has less chance to be cracked if it has been changed regularly. Always use the combinations of the alphanumeric, symbols and spaces between words etc to make strong password.

Last but not the least security measure is to encrypting your important files so that they can’t be accessed and read by the unauthorized users.

Everyday, millions of people face internet based attacks like spams, spywares, mallwares, virus and trojens, hacks etc.. Big companies have lawyers, IT departments and money to fix those problems. For home users and home bussiness partners faceing that problems is usually more devistating. Here is my tips for personal computer protection.

1. Never give your password to anyone else. ?t’s the most important rule.

2. Use numbers, symbols and letters altogether to create higher security passwords. Mixed passwords are harder to guess, hack or find (1982 might be the year you born and easier to remember but its also easier to find too)

3. Use antivirus and antispyware programs together, antivirus programs can’t dedect spyware and adwares all the time and antispywares can’t clear your viruses.

4. Install a good firewall. Firewalls are the best ways to protect your computers versus hacker attacks and it’s allways better to block a virus then using a antivirus to clean it from your computers.

5. Never open spam mails without beeing sure they are comming from a reliable source, and allways use antivirus and antispyware programs to scan mail attacments. Even if you are sure its coming from someone you know or a family member.

6. Keep your password safe. You need to chance passwords aften a fixed time period, serious attacks, big spam rains etc.. And never use same password for more then one site, you can loose credit card numbers or your websites access if you use same passworld for every single place.

7. If you are a employer, be sure that your old co-workers can’t access your companies data-base. Erase their accounts, passwords, personal web paces on your companies website.

8. Physical security is as important as internet security. Use laptop lockers; a good lock and some steel can make wonders. Also keep your external harddisks and flash disks at office, and use quality coolers to prevent computers from overheating.

9. Don’t let anyone to enter your / your companies personal networks and keep strangers laptops, external drivers, cd’s etc.. away from your computers. They can infect viruses to network or steal your personal files before you can understand.

10. Never install unauthorized applications to your computer, they may contain unwanted virus and spywares and they also can be illegal & contain cracked material. Use Windows (or any other operation systems you are using)’s signature programmes.

To keep your computer safe, you can find various antispyware, antiadware, firewalls and antivirus programmes at www.get2use.com

Last year we had a drunk hit and run with the decorations on new years eve and did a lot of damage. Just want something cheep i saw some but you have to hook them up to a T.V. and record from there.
Would like it to be wireless.

It is important to make sure the computer you use to access your online ecommerce site is secure. Too often a site owner takes great care to ensure the security of the site itself and may fail to take precautions to protect his or her own computer.

If your website is not secure you may have difficulty accessing information, processing orders and securely accessing your own website.

Most netrepreneurs will place password protections on their ecommerce site to deter hackers, but interestingly a hacker might gain access to your information by another means altogether.

Personal Computer Security

Anti-virus software – There are thousands of viruses and mutations throughout the web. Some are implemented by visiting a website while others are downloaded through email. The use of anti-virus software is a good first step to securing your own personal computer. Make sure you set options that will allow you to gain updates at least once a day and be sure to scan your computer daily. In most cases this can be done automatically. Millions of files are corrupted and destroyed each year because of unprotected computers.

Automatic Updates – Your web browser will likely have a site for updates and security fixes applicable for your computer. Automatic notices can be requested when new updates are available. DO NOT ignore notices that inform you of needed downloads. Most of these updates address discovered weaknesses in a portion of the software. By maintaining the security of your website you improve the chances that your computer is free of present and future predators.

Spyware – This security risk is more personal than damaging. Spyware sets data miners in place that extract information about the locations you visit. They often access your email address information and can send emails to you based on the sites you have visited. Because the Spyware can uncover some personal data it should be eradicated regularly. Some anti-virus software includes spyware eliminators, but there are also several free versions of spyware eliminating software online. You should know that many freeware or shareware programs include spyware in the free-to use program (there’s always a catch). It is mentioned in some of the fine print of the site, but most users do not take the time to read all of the legalese.

By protecting your own computer you can also make it possible to protect the data of your customers by doing everything you can to ensure backdoor admission to the data is prohibited.

In the computer era today, personal computer is more than just a tool to accomplish office tasks or to play games. There is actually a close relationship between information technology and home security, since you can use your PC to help you protect your home. With computer, many security tasks can be done automatically.

In the past few years, the traditional way to record an access violation is to use video security equipment by connecting video cameras to a TV and VCR. The VCR will then record everything captured by the video cameras. As the price of a VCR is quite low today, you can use it for security purposes at a little cost. There are also magnetic media-based recording devices with a time-lapse recording feature. This is useful to extend the time in which the device can perform recording.

You can also perform the job by using your own PC easily. In this case, with the help of surveillance software, the computer can record any events digitally. It differs from VCR, you will be able to save captured videos in a digital format which is easier to archive and edit. Moreover, such system can also be set up to start recording when it detects any movement.

There are many other advantages of using a PC as a security system. Today’s modern PCs are designed to be able to get connected to various devices. For instance you can connect spy cameras to your PC and perform covert surveillance. With a video capture card to convert analog to digital signals, this system can be set up very quickly. If you want you can even use the web camera that you usually use for chatting to perform remote monitoring and surveillance.

Using your PC as a surveillance system doesn’t mean that you have to stay in front of a computer to get an immediate warning when there is something bad in your home to occur. Some types of webcam security software even provide SMS-alert facilities. This permits you to use your cellphone to get an instant warning if there is an access violation at your home.

Depending on the software you use, there are various types of security tasks that can be accomplished with the help of your PC. For example, you can make your PC sound an audible alarm whenever it detects a motion near the door or window of your house.

However, if you want to use your PC as a home security system you should spend enough time when selecting the software package. Although most brands of software provide similar features, there are some activities that can only performed by a particular brand. Some brands of software are more expensive than others, but they likely provide a higher degree of protection.

An affordable PC based security system like this is especially useful when you are not at home. For instance, when you are at work or are on a vacation. This system allows you to concentrate on your tasks or to enjoy your vacation away from home, because it will send you a notice instantly of something undesirable happen in or around your home.

Computer starts to run more and more slowly? Want to speed up a slow running Windows XP instantly? Are you fed up with unwanted pop-ups? Is your PC plagued by unknown applications? Are you worried about online tracks peeping? Well, if your encounter a few or all the above problems, your PC has been infected with Window Security! You should read this review and learn how to remove Window Security completely and easily!

Get your PC run much faster by removing Window Security instantly!

To make your slow running computer work fast again, you need to take the following actions:

#1 Check and clean CPU fan. After using for a while, sometimes you may find that the CPU will up to nearly 100% and your computer is running like a crawl. Open your computer box and wipe the CPU fan with a piece of soft clean cloth. When you finish this and reboot your machine, you will find it run much faster than before!

#2 Delete the programs that you rarely use from the Startup items. Go to Start—Run—Type msconfig and click Enter. You can see the System configuration utility. Go to Startup and select avp and ctfmon. Then reboot your PC. Your will be surprised by the fast booting speed.

#3 Empty the temporary internet files. The internet files are useless to your system but consuming your system resources. To be worse, they may result in Window Security infection if you do not clear them timely. You can simply go to Internet Options to eliminate them.

#4 Clean up redundant Registry entries regularly. Registry entries are the system crap. You should take Window Security out of you PC in case they slow down your PC running.

#5 Optimize your system with security tool. Security tool can provide you comprehensive protection and optimize your system at the same time. By using a proper security program, you PC will be away from Window Security /spyware/malware attacks and work fast for you again!

Get the Best Security Program for fixing Window Security in minutes!

For more security information and how to enhance PC performance, you can click here to get the great tool for removing Window Security completely now!

I have three laptops delivered to you here. Considering price, Hard Drive, Processor, Video Card, etc… and features.. Let me know which one you would buy or which one is better, or what other computer out there I should buy. I need to know quickly. What is the best!!

First

XPSM1330 (13.3 inch) reg: 2129.00 PRICE: 1868.00

PROCESSOR Intel® Core™ 2 Duo T9300 (2.5GHz/800Mhz FSB/6MB cache), English edit
OPERATING SYSTEM Genuine Windows® Vista Home Premium Edition SP1 edit
SYSTEM COLOUR Tuxedo Black edit
LCD AND CAMERA Slim and Light LED Display with VGA Webcam edit
MEMORY 4GB Shared Dual Channel DDR2 SDRAM at 667MHz edit
HARD DRIVE Speed: 320GB SATA Hard Drive (7200RPM) with Free Fall Sensor edit
GRAPHICS CARD 128MB NVIDIA® GeForce® Go 8400M GS edit
OPTICAL DRIVE 8X CD/DVD Burner (DVD /-RW) with double-layer DVD R write capability edit
WIRELESS CARD Intel Next-Gen Wireless-N Mini-card edit
BLUETOOTH Built-in Bluetooth capability (2.0 EDR) edit
BATTERY OPTIONS 6 Cell Battery edit
SOUND OPTIONS Integrated Sound Blaster Audigy HD Software Edition edit
MODEM Dell External Mini USB Modem XPS M1330 edit
WARRANTY 3 years
FINGER PRINT READER SECURITY
ONLINE BACKUP 3GB
CARRYING CASE

Second

XPSM1530 (15.3 inch) reg: 2099.99 PRICE: 1858.00

Components
PROCESSOR Intel® Core™ 2 Duo Processor T9500 (2.6GHz/800Mhz FSB, 6MB Cache) edit
OPERATING SYSTEM Genuine Windows® Vista Home Premium Edition SP1 edit
SYSTEM COLOUR Tuxedo Black edit
LCD AND CAMERA High Resolution, glossy widescreen 15.4 inch LCD(1440×900) & 2MP Camera edit
MEMORY 4GB Shared Dual Channel DDR2 SDRAM at 667MHz (2 Dimms) edit
HARD DRIVE 320GB 5400RPM SATA Hard Drive edit
GRAPHICS CARD 256MB NVIDIA® GeForce™ 8600M GT edit
OPTICAL DRIVE 8X CD/DVD burner (DVD /-RW) with double-layer DVD R write capability edit
WIRELESS CARD Intel Next-Gen Wireless-N Mini-card edit
BLUETOOTH Dell Wireless 355 Bluetooth Internal (2.0 Enhanced Data Rate), for XPSM1530 edit
BATTERY OPTIONS 6 Cell Battery edit
SOUND OPTIONS Integrated Sound Blaster Audigy HD Software Edition edit
EXTERNAL MODEM Dell External Mini USB Modem edit
3 year warranty
3gb backup data online
Carry Case

(Not confirmed fingerprint reader) probably has it.

Third and Finally

Dell Studio 17 (17 inch) reg: 2133.00 PRICE:1892.00

PROCESSOR Intel® Core™ 2 Duo T9300 (2.5GHz/800Mhz FSB/6MB cache) edit
OPERATING SYSTEM Genuine Windows® Vista Home Premium Edition SP1 edit
SYSTEM COLOUR Graphite Grey with Red U-Trim edit
LCD DISPLAY Hi Resolution, glossy widescreen 17.0 inch WLED display (1440×900) edit
INTEGRATED WEBCAM Integrated 2.0M Pixel Webcam edit
MEMORY 4GB Shared Dual Channel DDR2 at 667MHz edit
HARD DRIVE Dual: 400GB (2x 200) SATA Hard Drive (7200RPM), with Free Fall Sensor edit
GRAPHICS CARD 256MB ATI MOBILITY RADEON HD 3650 edit
OPTICAL DRIVE 8X Slot Load CD / DVD Burner (Dual Layer DVD /-R Drive) edit
WIRELESS CARD Dell Wireless 1510 802.11n Half Mini-Card edit
BLUETOOTH Dell Wireless 370 Bluetooth Internal (2.0) edit
BATTERY OPTIONS 6 Cell Battery edit
SOUND OPTIONS Integrated Sound Blaster® Audigy™ Advanced HD Software Ed edit
2 year warranty
3gb backup data online
carry case
fingerprint security feature