Provins Sirock Technology Site

Archive for the ‘Hardware’ Category

Many people sell their used computers for a variety of reasons. Some sell their used computer instead of throwing them as a trash get some money from them, while others sell their used computers to buy new computers with the latest features and technology. Not only individuals sell their used computers, but also large numbers of organizations or firms sell their used computers. They do so because the computer systems may require maintenance and repairs, after some time due to the decrease in performance seen in the computers after some years. Instead of spending more money on the maintenance and repairs they sell and gain money, as there is a great demand for used computers. Such companies easily sell their used computers online through auctions or exchange for new computers with less effort in no time.

Used computers are bought by either students who do not have good savings or earnings or they are bought by educational institutions like the schools and universities. Some parents buy used computers for their children just for browsing the Internet and to play games. For this purpose, a used computer is more than sufficient than spending huge amounts on a new computer. These target segments however require used computers in a good working condition as well as for a lesser price. Most of the used computers are sold in the online market, as it attracts all sorts of buyers. There are many numbers of online classifieds or auctions or online dealers who sell used computers. Selling used computers are a better option than throwing them as trash or keeping them in a corner occupying space and collecting dust.

The first and important step is to improve the appearance of the used computer by wiping it clean free of dust and dirt. Any buyer would get impressed by the way the computer looks, looks make the first impression. The selling price of a clean used computer is always better than the one, which is full of dirt and dust.
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iPods are a great invention, however many have complained about the lack of playtime and poor battery life. Previously, replacing an iPod battery was next to impossible. So when your battery dies, its time for a new iPod. This of course proved to be extremely expensive. As a result, manufacturers have begun producing aftermarket iPOD batteries for a DIY conscious producer. There are even high capacity batteries that will basically give you more playtime on your iPod in comparison to the original iPod batteries. An even better incentive to replace that dying battery!

I know what you’re thinking, you don’t want to rip apart that shiny iPod of yours! Aftermarket iPod batteries were designed to make the installation as simple as possible (it wasn’t really all that difficult to begin with anyway). Since the batteries installation doesn’t require any soldering, the most difficult part is opening up the physical case. Since the iPod doesn’t contain any screws, the casing must be pried off in order to access the internal battery. I do not recommend using a screwdriver to do this as it will damage the case. A guitar pick has been recommended to do the job, but even better, some batteries come with the non scratch nylon tools required to open your iPod safely. Read the rest of this entry »

The power supply is the component that powers your devices in your computer. It powers things like the hard drive, CDROM and CPU. There may come a time when you have to replace it.

Symptoms of a power supply going bad can include random reboots, random crashes the computer not starting at all.

When replacing your power supply there are a couple of thing to take into consideration. The most important thing to do is to get the right one for your computer. Your computer will most likely use the ATX form factor. You also need to make sure you get a power supply with enough power for your computer’s hardware. 300-400 watts is sufficient for most computers. Make sure the power supply has enough power connections and the right types of connections.

Replacing the power supply is a pretty easy job. Make sure you unplug the power cord first! Then you can open the case and take the power connections off of the devices and motherboard. Then you can take out the four screws on the outside back of the case and pull the power supply out from the inside. To install the new one just do the opposite.

The motherboard is the most expensive computer component so be sure to treat and handle it with great care.There are a few things you should do to ensure no motherboard damage occur as you prepare for the installation.

Be sure you have a clean,well lit,and level work place.Relax your mind and make this task both fun and educational.You will need such tools as a phillips screwdriver,maybe some needle nose pliers and the manual that came with the board.

Most importantly you must remove any and all electrical static discharge from your body and clothes.Static electricity is a big problem and will quickly damage chips on your new board.

PREPARING FOR THE INSTALLATION

Preparing to work on your system envolves work area,lighting, and much more.One great danger is the chance of electrical static charge.But this will be no problem when this static buildup is properly removes.

Remove this danger by grounding yourself.Touch the metal case of the system unit or better yet,touch a door nobt in your work area to remove all electrical static charge.

Set down and carefully read your user’s manual and familiarize yourself with your new motherboard and its layout.Taking this time will boost your motherboard installation performance ike you never thought.

Study your new motherboard and keep the box it came in.Remove it from its protective wrap very carefully and without damaging the wrap.This is done just in case you need to return the motherboard.

You may need to return the motherboard if you made any mistakes in the purchase.Does the holes of your new motherboard line up with the holes in the case?If there are any reason to return the board,you can simply put it back in the box to return.

Make the installation of your new motherboard fun and prepare well.Go to www.ultimatepcrepair.com and click on the photos page to familiarize yourself with all of the components in the cmputer.Follow these procedures as a guildline to install your new motherboard.

REMOVING THE OLD MOTHERBOARD

First Turn on your computer and access your cmos setup. This is done as the computer counts its memory.Press the combination of keys to access your bios.once inside your bios,select “Standard CMOS Setup” and write down all information about your computer’s drives.

Make sure you get the density of your floppy drives and the type of hard drive you have. Once you have this, turn off and unplug the computer and remove the case.

Second Study your system unit layout and you may want to take notes as your remove components and connections so that it will be easier when it comes to re-installing these components or connections.

Go about unplugging the wires that are connected to your old motherboard.Remember to label any and all connections to make re-installing them easier later.Here’s where its very important to take awhile to study your old and new boards before disconnecting anything.

Third Carefully disconnect all drives and label the connectors if needed.Remove the drives and set them out of the way in a safe place.Place all small screws in a cup or something where them won’t get lost.

Carefully grasp the motherboard and give it a gentle tug upwards to be sure on connections,screws,or other devices are not interferring with the board’s removal.

Once you are certain there are no obstruction for the board to be removed,lift the board out of the system unit.Look to see if such components as the memory need to be installed onto the new motherboard.
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