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Step 1Buy parts

 A few manufacturers to look for include ASI, Asus, Compal, ECS, MSI, and Super Talent. (We even found an HP Compaq 6910p business notebook in a barebones configuration.) The main factors to consider when choosing a barebones model are processor technology, graphics card support, and screen size. Do you want to use a fast but hot-running desktop CPU, or are you willing to spring for a pricier mobile chip that trades speed for lower heat and better power savings? If you're a gamer, you'll want a notebook that either has a good GPU built-in or can accept an upgradable notebook graphics card. Finally, do you prefer a more-portable system with a small screen, or a heavier notebook with a roomy LCD?
For our build, we chose the $690 Asus C90s, as it's one of the few models that supports an inexpensive-but-speedy desktop Core 2 Duo processor, allowing us to emphasize both performance and low cost. The C90s also sports an nVidia Mobile PCI Express Module (MXM) slot, allowing us to install a decent gaming GPU. Its 15.4-inch LCD offers an ideal size and resolution for gaming and watching DVDs while keeping the notebook's weight at a somewhat-reasonable 6.8 pounds. Looks-wise, the solid-feeling case could pass for a mainstream model from Dell or another brand-name vendor.


Keep in mind that, unlike their desktop brethren, barebones laptops are not entirely "barebones." No matter which model you go with, it will likely come with a few built-in components that can't easily be swapped out—most notably, the motherboard and the optical drive. You still get a decent dose of DIY from the parts you can assemble yourself, however, including the CPU, memory, graphics card, hard drive, and wireless card. Most of these components are commonly sold as upgrades to pre-built laptops and are easy to find at competitive prices. Shopping at, we picked up 3GB of DDR2 667 SO-DIMM memory (the maximum amount the C90s accepts)—a $44.99 2GB stick and a $24.99 1GB stick. We also got a $199.99 2.66GHz Core 2 Duo E6700 CPU, a $159.99 160GB Seagate Momentus 7200.2 hard drive, and a $109.99 OEM version of Windows Vista Home Premium.
Rounding up the remaining parts, however, was not as easy: We found only a few online vendors who sold the Wi-Fi card and MXM graphics card we needed for our C90s build. For less-common components such as these, you should consult with the dealer that sells you the barebones laptop to make sure they're available. On that note, we turned to Asus for our 256MB nVidia GeForce 8600M graphics card, which the company sells separately for $90. After a lot of Web searching, we located a hard-to-find $32.50 Intel 4965AGM Mini-PCIe Wi-Fi card at
Finally, before you hit the purchase button, be sure to carefully check that each component is compatible with the mother-board included in your barebones case. For instance, though the C90s' Intel 945G Express chipset sports the LGA775 CPU socket, it doesn't support newer quad-core processors. Also, note details like slot types: Standard video cards won't fit in an MXM slot, and the C90s uses a newer Mini-PCI Express (PCIe) slot for its Wi-Fi card, rather than a more-common Mini-PCI card. You'll need a 2.5-inch-wide, 9.5mm-thick Serial ATA (SATA) hard drive—older IDE drives won't work here.
All told, our C90s and its installable components cost around $1,352—not a bad figure for what would soon become a reasonably powerful gaming notebook.


Before you start building your laptop, you'll want to take a full inventory of your parts and tools. For the C90s, you'll need at least your CPU, memory, hard drive, and graphics card. (We can't imagine building a notebook without wireless capabilities in today's world, so you'll also need a Mini-PCIe wireless card.) In the tool department, you'll want both large and mini Phillips-head screwdrivers (preferably magnetic ones, to avoid losing small screws), needle-nose pliers for grabbing small parts, and a few small baggies to store the tiny screws you remove so that you don't lose them while you have the notebook open.
The first thing you will need is the barebones notebook, or a barebook as some call it. These can easily be found by using the Google Product Search. The barebones notebook should be the base, screen, keyboard, and touchpad of the laptop. Many sellers will offer almost every part to go with the laptop. I suggest that the only thing you buy with the laptop is the CD/DVD drive. These are different for every laptop so go ahead and buy it with the laptop.

I used an Alienware base for my computer.

As for the other parts, you should be able to find them separate. Here are the parts you will need besides the CD drive:
-Processor (check the barebones notebook for socket type, new ones should have socket M or P for Intel and socket S1 or FS1 for AMD)
-RAM or Memory (check the barebones notebook for memory type, new ones should have DDR2 style)
-Graphics card (some may have it already built into the motherboard, check to make sure it's not before buying one)
-Hard Drive (check the notebook for hard drive type, new ones should be SATA)
-Wireless card (check the notebook for wireless card type, new ones should be Mini PCI-E)

You should be able to find most of these parts at, or eBay.

Step 2Things you will need

You don't need that much to do this. I suggest using a multi tipped precision screwdriver. I use the one pictured below. You can buy these at Home Depot.

You will also need some silver thermal paste (also called thermal grease or thermal compound). Get it at a local computer shop for about $3 or go on NewEgg and get it for $2.

It is also recommended you get some type of anti static wrist strap and you have an area that is not prone to static (as little fabric as possible). I'm doing this on my bed which is a big no no, but I don't really care too much. I have plenty of computers.

Step 3Remove the bottom panel(s)

Assembling Your Laptop Parts

Asus did not provide an instruction manual for the C90s, so we had to figure out how to remove the back panel on our own. Make sure that assembly instructions are available for the case you choose.
Asus did not provide an instruction manual for the C90s, so we had to figure out how to remove the back panel on our own. Make sure that assembly instructions are available for the case you choose.
The first component to install is the processor. Take extreme care not to touch the pins in the socket during the process.
The first component to install is the processor. Take extreme care not to touch the pins in the socket during the process.
 For wireless connectivity, our system uses a Mini-PCIe slot rather than the more common Mini-PCI variety. Be sure to connect the wires first before sliding the card into the slot.
For wireless connectivity, our system uses a Mini-PCIe slot rather than the more common Mini-PCI variety. Be sure to connect the wires first before sliding the card into the slot.
 Most barebones notebooks use upgradable MXM graphics cards, which can be difficult to find at stores but are easy to install. Gamers should go with the most powerful MXM card available.
Most barebones notebooks use upgradable MXM graphics cards, which can be difficult to find at stores but are easy to install. Gamers should go with the most powerful MXM card available.


You might think that the logical first step to building your new notebook would be to break out the instruction manual. Unfortunately, the only documentation included with the C90s describes how to use the notebook once it's up and running. There's no assembly manual, not even on the Asus Web site. That's not a problem in this case, as we'll walk you through the entire building process. But if you choose a different barebones model, you'll want to do some research beforehand to ensure that instructions are available either in the box or online. Otherwise, you'll be left to trial-and-error—and the potential nightmare of leftover parts when you think you've completed the assembly.
To open the C90s case, you'll need a very small Phillips screwdriver. Place the notebook upside-down on a clean, flat surface and locate the removable rear panel. (Asus calls it the ACE Door, for "Accessible, Convenient, Effortless.") With the notebook resting on its lid and the front toward you, the ACE Door makes up the right half of the notebook. Look for the four screws that have a small screw icon next to them. These are the only screws you need to remove to open the back panel. Be careful not to remove the fifth screw in the panel, which has a disc icon next to it—that one secures the DVD±RW drive in place. Once the screws are removed, place them in a plastic bag, as they're easily lost and you won't need them again until everything's put together. Carefully push the panel gently toward the back of the notebook, and then lift it when the tabs are free of the notebook's case.
With the ACE door off, you can take stock of the various sockets and slots you'll be filling. Be careful to keep fingers and objects clear of the motherboard, as the processor socket is unprotected, and if you bend one of those tiny little pins, your new laptop will be useless.


To install the processor, lift the small arm next to the CPU socket, then raise the socket cover, taking extreme care not to touch the pins in the socket during the process. Now carefully remove any snap-on covers from your CPU chip and line it up in the socket so that the two notches in the chip match the corresponding notches in the socket itself. Carefully drop the chip straight down into the socket, minimizing any need to slide the chip into place. Once the chip is safely resting on the pins, close the socket cover and snap the locking arm back down into place.
There are two heat sinks included with the C90s: one for the processor and another for the video card. The processor heat sink is the larger of the two, with four screw holes and a small plastic cover protecting a block of thermal paste. Remove the plastic cover, being careful not to touch the thermal paste, and slide the cooling fins of the heat dissipater under the fan assembly at the rear of the notebook. Simultaneously line up the four screw holes on the heat sink with the corresponding holes surrounding the CPU socket. Find the baggies containing four black screws and use those to secure the heat sink.


Now it's time to install our Intel 4965AGN wireless adapter. Plugging the card into the Mini-PCIe slot is a snap, but then you have to contend with connecting the wires. Looking at the Mini-PCIe wireless slot near the top right corner of the C90s, you'll see four wires held down with yellow tape. Three of the wires come from the top corner of the case; the fourth, a black wire, comes from the side. This fourth wire is an antenna for an optional internal TV tuner; we won't use that in this build. Remove the tape, grab the fourth wire, and use the yellow tape to hold it out of the way while you connect the antenna wires.
At the end of each of the remaining three wires, you'll see a small round connector. These connectors snap onto the corresponding numbered connectors at the edge of the Wi-Fi card. Connect the black wire to connector 1, the gray wire to connector 2, and the white wire to connector 3. (If the wireless card you're using has only two connectors, connect the black wire to connector 1 and the gray wire to connector 2.) Now slide the card into the slot, being careful not to dislodge the antenna wires. Secure the Wi-Fi card with two small silver screws.


To install the MXM graphics card, first find the baggie with three larger silver screws and two small black screws. Hold the card at about a 30-degree angle as you insert its edge connector into the video-card slot near the center of the motherboard. Press the card in and downward, and then use the two small black screws to secure it in place. Our card had its heat sink/bracket already installed. If your card included a separate metal bracket, install it now using four spring-loaded screws.
Next, you should install the remaining, smaller heat sink by sliding the cooling fins under the fan assembly next to the fins on the CPU cooler, placing the heat sink over the video card. Use the three silver screws to secure the heat sink in place.


At this point, you should be down to your last storage baggie—it should have four screws in it. Use the two screws that don't have blue paint on the tips to secure the metal drive cage around your hard drive. The open end should be on the end of the drive with the SATA connectors.
The motherboard SATA connectors are along the front, right edge, under the lip of the laptop's shell. Drop the drive into place and then carefully use your thumb to push the drive into the SATA connectors. Now use the remaining two screws to secure the drive in place.


The last internal components to install are the SO-DIMM memory boards. The two memory slots sit between the graphics card and the large silver finned heat sink, near the center of the motherboard. Take the 2GB board, hold it at about a 30-degree angle while you line up its connector with the lower memory slot (note that the slot is keyed so that you can't install the board upside down), and then snap it down into the slot. Repeat the process with the 1GB DIMM, installing it in the top slot.


Now that all the hardware components are installed, find the four screws you removed from the ACE Door, slide the door back into place, and replace the screws. To prepare for power up, pop in the notebook's battery pack, connect the power brick, and plug it into a wall outlet. Finally, open the laptop's cover, cross your fingers on one hand, and use your other hand to press the power button.
If all went well, you should be greeted by an Asus logo, followed by a warning that you have no operating system installed. If this doesn't happen, check the power connections; if that's not the issue, you'll need to reopen the case and ensure that all the components you installed are securely in their slots and sockets, and that all of the screws are tight.
I suggest you remove all of the bottom panels. For purpose of demonstration, I will only be removing the panels that are needed.

To remove the bottom panels, there will be several small screws in each one, remove all of the screws. After you have removed all the screws, you should be able to pop it open. Most of them have some little plastic tabs to hold it in better. Just pull a little on the panel and these should pop out with the panel.

Step 4Remove cooling system

The next thing you need to do is remove the cooling system. This is the big metal system with a fan in one part of it. It should connect to where the processor and graphics card will go.

Remove/loosen all the screws in it and pick it up to remove it.

Step 5Install the processor

To install the processor you need to check the layout of the pins. One or more of the corners may have pins missing in order for you to line up the processor with the socket properly. Make sure the processor is lined up with the socket and drop it down. Do not push it into position. If it does not drop into the socket, make sure the socket is not locked. A screw driver may be needed to unlock it. Use the screw driver to twist the plastic screw in the top.

Once the processor is in place, lock the socket by twisting the plastic screw in the top with a screw driver. It should only turn about 180�

Coat the processor core (the square black chip on top) with a paper thin layer of silver thermal paste.

Step 6Install the graphics card

You should now install the graphics card, if your computer does not have it built in.

Install it by pushing it up into the graphics card socket. Make sure it goes all the way in. After that, screw the graphics card into its spot. There should be holes on the graphics card that match with the motherboard so you can screw it down.

After you have installed it, apply the silver thermal paste like you did with the processor.

Step 7Reinstall the cooling system

You can now put the cooling system back in. Make sure that all screws are tight, but do not use power tools to make them tight. If you use power tools, you will most likely break something.

Step 8Install the memory (RAM)

There should be two slots on the motherboard for memory. Install them at a slight angle and push down on them to snap them in place. Make sure they go all the way in.

Step 9Install wireless card

There should be a small slot that looks like the memory slots, only smaller. This is the slot for the wireless card.

Insert the wireless card in a similar manner to the memory. The wireless card will not snap into place like the memory but instead you will need to screw it down with two screws near the top of the card.

After you have it installed, connect the gray and black wires that run by the wireless slot to the card. There should be two metal connectors near the screws that you can snap these on to. To snap them on, make sure they are directly above the connector and push straight down. They will not go on at any angle. You will hear a snap when they click into place. These are your antennas.

Step 10Install Hard Drive

To install the hard drive, you will need to take the cradle out of the computer. This should be a little metal cage that is 2.5 inches wide and about 3.5 to 4 inches long. It will either slide out of the side of the computer or may be behind a panel in the bottom of the computer. It may be held in with a screw.

Once you have the cradle out, put the hard drive in the cradle and screw it into the cradle.

Replace the cradle with the hard drive into the computer.

Step 11Install CD Drive

You may not need to do this if your CD drive was already installed.

To install a CD drive, just slide it in the side of the computer. It should click into place, but may need a screw to secure it. If it needs a screw, look for the screw with a picture of a CD next to it.

Step 12Connect the battery

Replace all of the panels back on the laptop if you have not done so already. Make sure you replace all the screws and the plastic tabs are back under the case.

Once you have done that, connect the battery. This step is self explanatory.

Step 13Done!

You have built the laptop and it is ready for use. You will need to install Windows on your computer, but that will be explained in a later Instructable. 

Finishing Your Laptop Build

Installing the drivers.
Installing the drivers.


The only thing your machine should be lacking at this point is some critical software. To add the Windows OS, power down the notebook, turn it back on, and press F2 to enter the BIOS setup screen. Select System Information to confirm your processor speed and memory amount. Then press Esc to return to the main menu, move to the Boot screen, and adjust the Boot Priority setting to put the DVD drive first in the boot order so that you can install the operating system. Place the Windows Vista Home Premium DVD in the drive, start your system, and follow the instructions to install the operating system.
Once Vista's installed, you're still not quite at the finish line: You also need to install the drivers for your notebook's components. Insert the C90s driver CD and install the appropriate drivers, starting with Intel Chipset Inf Update Program. (This enables your notebook's motherboard chipset.) Work your way down the driver list in order, then pop over to the Utilities tab and install Asus' Hotkey Utility, Turbo Gear overclocking program, and any other software you'd like to use.
Finally, open Control Panel, click System and Maintenance, and select "Check your computer's Windows Experience Index base score." Running this test will enable Vista's Aero Glass transparency on your desktop.
Congratulations. Your hot new gaming notebook is now ready to rock.


In the feature department, the C90s excels with its large, comfortable keyboard, a bright display with an adjustable Webcam, and a cutting-edge collection of ports that includes HDMI and external Serial ATA (eSATA). There's also the nifty Turbo Gear option, which lets you overclock the notebook's CPU up to 10 percent (in our case, up to 2.93GHz). The overclocking utility is much more stable than when we first tested the fully configured version of the C90s; we didn't have any of the blue-screen crashes we saw in our initial review.
As for performance, the notebook's Futuremark PCMark05 score of 5,823 and Cinebench 9.5 score of 893 are in line with pricier performance laptops we've seen. Gaming was a mixed bag, however. While the C90s turned in an excellent 49.2 frames per second (fps) on Company of Heroes at its native 1,680x1,050 resolution (with anti-aliasing on), F.E.A.R. performance was less impressive: We managed just 48fps at 1,024x768, and a poky 18fps at native resolution. These scores reflect the limitations of the notebook's 256MB nVidia GeForce 8600M card MXM graphics, which is certainly not as speedy as the high-end graphics cards you can find in retail machines. In fact, our card is currently the fastest MXM model available, and we wouldn't count on a more-powerful upgrade option coming out any time soon: Though MXM technology has been available for about three years now, it hasn't received much support from manufacturers. That said, these scores won't thrill die-hard gamers, like other notebooks in its price class, our system can certainly handle newer games played at moderate resolutions with the details set to high.
The C90s demands a few other compromises—namely, a protruding heat sink that adds extra heft, and a power-hungry desktop processor that runs hot and quickly drains battery life. These are issues you may not encounter with other barebones cases, especially those that use mobile CPUs.


So is the effort spent building your own notebook worthwhile? If you have a bit more than an entry-level budget, you're not a hard-core gamer, and you're willing to spend as much time searching the Web as you would actually building your PC, the answer is yes. In terms of power-versus-price, there's no doubt our C90s trumped the retail competition. There aren't many sub-$1,400 notebooks out there that can clock in at 2.93GHz, and at press time, comparable systems with GeForce 8600M graphics were typically running about $250 to $300 more than our build—and those notebooks had slower processors, smaller hard drives, and less memory. Though the parts you can put in a barebones laptop are limited compared to those you can find for a desktop, you essentially get as much variety as you would when configuring a pre-built system through a big-name or boutique vendor.
The biggest reward, of course, is being able to show off your new notebook and proclaim, "I built this myself.


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