| used computer info |
Computer Peace Of Mind
By Faldo
Four years ago I made a website about protecting computers from viruses because, quite honestly, I just felt sorry for someone.It all started when my sister-in-law's personal computer at home Read more...
Computer Virus History
By temp
A computer virus is a self-replicating computer program written to alter the way a computer operates, without the permission or knowledge of the user.Elk Cloner is credited with being the Read more...
|
| Computer engineering involves the design, construction, and operation of computer systems. Computer engineers work on both computer hardware and software (programming) problems.
|
|
|
|
used computer
Article
A Checklist For Used Computers
By Lesley Lyon
It is very important to check a used thoroughly before buying it as it may lead to problems in the future. A hard drive will not show any outward signs but may be deteriorating. The same way the needle can suddenly slip and can cause scratches on the disc ultimately leading to memory loss as used computers can fail any time. If they are checked, the faults which may occur can be known. Let us first see the possible faults which may occur while purchasing a used computer.
Hard disk failures can happen due to heavy wear and tear over a period of time. The read and write heads of a hard disk are used to retrieve or recode data stored on the hard disk with the help of a disk platter rotating at a high speed. Over a period of time the risk of failure or malfunction of disk increases. Faulty sectors of the hard disks can be found out only if a full surface scan is done on the used computer. The scanning time depends on the capacity and size of the hard disk of the used computer. Many skip this procedure due to the time consuming process of scanning the whole disk and end up purchasing a used with a faulty sector.
Monitors need to be checked for any faults. The malfunctioning of a monitor is called a “dry joint” which results in the monitor not working after getting warmed. This can be checked only if the monitor is made to work for at least 20 to 30 minutes after switching on the computer.
Next is to look for any possibilities of the central processing unit getting freezed. Normally all the central processing units have a fan and heat sink for keeping the unit cool. Over a period of time the fans may not work properly due to the accumulation of dust and dirt resulting in over heating of the central processing unit and even leading to stopping from functioning. While buying a used the fan needs to be checked and if any abnormal sound is heard, it is not good for purchase.
The used may have a higher possibility of getting crashed and freezed due to the usage of the operating system for a good number of years. There may be a cache or RAM fault due to the over exposure leading to loss of data. To increase the performance
Toshiba Portege R705-P25
Toshiba's Portege R series has always impressed, and the new 13-inch Portege...
Asus Eee PC 1018PB-BK801
Asus reboots the Eee PC series (at least aesthetically) with this...
Samsung NP-R580-JSB1US
The Samsung NP-R580-JSB1US is the best bang for the buck we've seen in a...
of the and to avoid crashing, the operating system of the used can be reinstalled with a new operating system or a fresh one.
While checking the used computers for any faults, it is good to disconnect the network connection if any present before performing the tests. Also it is advisable to check the drives like the CD or DVD by opening and closing them and also playing something on the drives to see how they work. Monitors of the used computers can be checked for the resolution and brightness by trying different options of color, settings and so on. To check the hard disk size the CMOS setup can be gone through and to verify the speed of the processor, cache and RAM the pause button is pressed when it appears on the screen during the booting process. To check the booting process, the can be turned on and off a few times and seen how it responds. Checking should be done to see if all the passwords are erased before purchasing a used computer.Article Source: http://www.ArticleJoe.com Lesley Lyon contributes several informative articles regularly to www.laptopmall.info“> www.laptopmall.info and www.bestusedcomputers.info“> www.bestusedcomputers.info which have exhaustive resources for computers, laptops and the other related accessories.
We strive to provide only quality articles, so if
there is a specific topic related to computer that you would
like us to cover, please contact us at any time.
And again, thank you to those contributing daily
to our used computer website.
| Latest
News on used computer |
Computershare To Exhibit Its Specialized Financial Services At The 2008 Financial Services Technolog
able border=0 cellpadding=0 cellspacing=0 align=center bgcolor=000000 Read more...
|
|
Computer Learning Center For Kids Is Committed To The Federal “no Child Left Behind“ Law
By PanditSudhir
We would like to assist the educational community in meeting those goals by providing a small classroom environment, with a focus on individual student and adult learning at affordable prices. Read more...
|
Toshiba Portege R705-P25
Toshiba's Portege R series has always impressed, and the new 13-inch Portege...
Asus Eee PC 1018PB-BK801
Asus reboots the Eee PC series (at least aesthetically) with this...
Samsung NP-R580-JSB1US
The Samsung NP-R580-JSB1US is the best bang for the buck we've seen in a...
|
|
|
