Q Computer Repair

[Rosella Bowlan]

Digitalcomputers have existed in various forms since the early 1940s. One of the most prominent computers of the time, the ENIAC, used vacuum tubes and was considered to be the first general purpose electronic computer. However, computer manufacturers in the early 1960s started using transistors. The development of integrated circuits (ICs) made computers steadily increase in computing power, all the while bringing down costs of manufacture and power consumption.

Identifying exactly which computer you own can sometimes be a challenge, depending on the manufacturer. Usually the manufacturer name is listed on the front, while the exact model number may be found on the back. You may also be able to get the device itself to provide more information by accessing files stored on the machine.

A computer repair technician is a person who repairs and maintains computers and servers. The technician's responsibilities may extend to include building or configuring new hardware, installing and updating software packages, and creating and maintaining computer networks.

Computer technicians work in a variety of settings, encompassing both the public and private sectors. Because of the relatively brief existence of the profession, institutions offer certificate and degree programs designed to prepare new technicians, but computer repairs are frequently performed by experienced and certified technicians who have little formal training in the field.[1]

Private sector computer repair technicians can work in corporate information technology departments, central service centers or in retail computer sales environments. Public sector computer repair technicians might work in the military, national security or law enforcement communities, health or public safety field, or an educational institution. Despite the vast variety of work environments, all computer repair technicians perform similar physical and investigative processes, including technical support and often customer service. Experienced computer repair technicians might specialize in fields such as data recovery, system administration, networking or information systems. Some computer repair technicians are self-employed or own a firm that provides services in a regional area. Some are subcontracted as freelancers or consultants. This type of computer repair technician ranges from hobbyists and enthusiasts to those who work professionally in the field.

Computer malfunctions can range from a minor setting that is incorrect, to spyware, viruses, and as far as replacing hardware and an entire operating system. Some technicians provide on-site services, usually at an hourly rate. Others can provide services off-site, where the client can drop their computers and other devices off at the repair shop. Some have pickup and drop off services for convenience. Some technicians may also take back old equipment for recycling. This is required in the EU, under WEEE rules.

While computer hardware configurations vary widely,[2] a computer repair technician that works on OEM equipment will work with five general categories of hardware; desktop computers, laptops, servers, computer clusters and smartphones / mobile computing devices. Technicians also work with and occasionally repair a range of peripherals, including input devices (like keyboards, mice, webcams and scanners), output devices (like displays, printers, and speakers), and data storage devices such as internal and external hard drives and disk arrays. Technicians involved in system administration might also work with networking hardware, including routers, switches, cabling, fiber optics, and wireless networks.

When possible, computer repair technicians protect the computer user's data and settings. Following a repair, an ideal scenario will give the user access to the same data and settings that were available to them prior to repair. To address a software problem, the technician could take an action as minor as adjusting a single setting or they may implore more involved techniques such as: installing, uninstalling, or reinstalling various software packages. Advanced software repairs often involve directly editing keys and values in the Windows Registry or running commands directly from the command prompt.

A reliable, but somewhat more complicated procedure for addressing software issues is known as a system restore (also referred to as imaging, and/or reimaging), in which the computer's original installation image (including operating system and original applications) is reapplied to a formatted hard drive. Anything unique such as settings or personal files will be destroyed and ergo only available if backed up onto external media, as this reverts everything back to its original unused state. The computer technician can only reimage if there is an image of the hard drive for that computer either in a separate partition or stored elsewhere.[3]

On a Microsoft Windows system, if there is a restore point that was saved (normally saved on the hard drive of the computer) then the installed applications and Windows Registry can be restored to that point. This procedure may solve problems that have arisen after the time the restore point was created.

If no image or system restore point is available, a fresh copy of the operating system is recommended. Formatting and reinstalling the operating system will require the license information from the initial purchase. If none is available, the operating system may require a new licence to be used.[4]

One of the most common tasks performed by computer repair technicians after software updates and screen repairs is data recovery. This is the process of recovering lost data from a corrupted or otherwise inaccessible hard drive.

In most cases third-party data recovery software is used to retrieve the data and transfer it to a new hard drive. Specialists say in about 15% of the cases the data is unable to be recovered as the hard disk is damaged to a point where it will no longer function.

Education requirements vary by company and individual proprietor. The entry level requirement is generally based on the extent of the work expected. Often a 4 year degree will be required for a more specialized technician, where as a general support technician may only require a 2 year degree or some post secondary classes.[1]

Additional certifications are useful when technicians are expanding their skill set. These will be useful when seeking advanced, higher paying positions. These are generally offered by specific software or hardware providers and will give the technician an in-depth knowledge of the systems related to that software or hardware. For instance, the Microsoft Technology Associate and Microsoft Certified Solutions Associate certifications give the technician proof that they have mastered PC fundamentals.[6]

The Computer Repair certificate plan of study offers technical skills for graduates to become PC support technicians who configure, install, maintain, troubleshoot, and repair personal computers. Students gain skills in buying parts, upgrading, building, and configuring personal computers. Major hands-on topics include documentation, troubleshooting techniques, PC architectures, storage, memory management, and communications devices. Graduates should qualify for employment in entry-level positions with businesses, educational systems, and governmental agencies which rely on computer systems to manage information. The program will incorporate the competencies of industry-recognized certification exams.

The Computer Repair Services (CRS) team provides vendor-certified repair and upgrade services (both in- and out-of-warranty) to faculty, staff and students for business-class units from Apple, Dell, and Lenovo.

Students can submit a request for computer repair or diagnostics through the LTS Jira request system; or, students can call the LTS HelpDesk (610-758-4357). Faculty/staff can contact the LTS Help Desk to start a computer repair request.

CRS employs a limited number of technicians, and at times the number of jobs is large, and a backlog occurs. Priority is given to critical University-owned systems, and staff computers. The shop does not stock parts, but orders all needed parts via next-day delivery. Most in-warranty repairs are handled in 1-3 days.

Computer repair technicians set up, maintain, and repair stand alone and networked personal computers. This includes businesses, ATM machines, and office machines. Repairers often do their work on-site, traveling to customer locations for large or stationary machines.

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I never really gave much thought to it, but a computer repair business would be an excellent place to run a criminal enterprise. You're handing your precious PC to a complete stranger to fix it, but who's to say what else they'll do while they have access to your box of electronic goodies? They could snoop through your files, steal your data, secretly install malicious programs, or even replace a nice bit of your hardware with a crummy substitute.

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