computer repair manual and business guide learn to fix computers and start your very own computer repair business
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computer repair manual and business guide learn to fix computers and start your very own computer repair businessPlease try again.Please try again.Please try again. Learn To Repair Computers And Start Your Own IT Support Services Business. Stop Paying for Computer Repair and Start Making Money Now. From the advent of the first mass-marketed personal computer in 1977 to present time, computers have steadily and successfully become a very integral part of daily human life. With time, the affordability, portability and usability of computers has also been on a constant upward trend, with single individuals owning multiple computers in the form of desktop, laptop, netbook, handheld and cellular devices. With the increase in use of computer technology and devices, the incidence of their breaking down has also increased. In this computer repair manual, you will find all the information you need to fix a computer. First we will talk about all the tools you need to prepare your computer repair toolkit. That would include both hardware and software tools that you would need to successfully troubleshoot and repair software and hardware issues. About 80 of all computer problems faced today by computer users are software-related, which is why you will notice most of the material covered in this book is software-related. When there is a hardware issue in a computer, we will talk about how to pinpoint the problem hardware component by running various tests using programs. When the problem is identified, you will then learn how to replace the malfunctioning or broken hardware component(s). Most of the hardware tools required for your computer toolkit can be purchased from any local computer store. Go to the respective software vendor’s website by clicking on the provided links and download the computer repair software required to carry out repair jobs. So let us begin our journey into the world of computer repair. I assure you that it is not as scary as you think it is.
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Even those of you with tech-anxiety will find that fixing computers is not only fun but quite easy if you read the instructions and follow them carefully. The most effective way of using this book is to keep it open on your computer screen as a reference guide while practicing different troubleshooting techniques and procedures mentioned. It is also a good idea to get your hands on an old desktop or laptop computer that you can practice on. It could be a machine that has been sitting in your attic or garage collecting dust or it could be a donated machine from a family member, relative or friend for your new computer repair endeavor. I guarantee that this book will prove to be very useful to you whether you want to learn to fix computers for yourself, your friends and family, or use it as your computer repair bible for your computer repair business. Then you can start reading Kindle books on your smartphone, tablet, or computer - no Kindle device required. Register a free business account To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness. Please try again later.It is still in the dark ages of downloading Spybot Search and Destroy which is an anti-virus program as old as the Bible. I don't recommend it unless you like to tinker with old computers. If you continue browsing the site, you agree to the use of cookies on this website. See our User Agreement and Privacy Policy.If you continue browsing the site, you agree to the use of cookies on this website. See our Privacy Policy and User Agreement for details. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Computer Repair Manual And Business Guide Learn To Fix Computers And Start Your Very Own Computer Repair Business. To get started finding Computer Repair Manual And Business Guide Learn To Fix Computers And Start Your Very Own Computer Repair Business, you are right to find our website which has a comprehensive collection of manuals listed. Our library is the biggest of these that have literally hundreds of thousands of different products represented. I get my most wanted eBook Many thanks If there is a survey it only takes 5 minutes, try any survey which works for you. Equipped with the right software, the right hardware and this ebook, you can start fixing computers TODAY. Yes it is easy and yes you can do it yourself! Our e-book not only teaches you how to fix computers for yourself but it also teaches you how to fix computers for a living! Fix computers for extra CASH or a primary income source!”. As of today we have 76,126,602 eBooks for you to download for free. No annoying ads, no download limits, enjoy it and don't forget to bookmark and share the love! Want to find out how to custom build pc. Read on! We'll help you.Hardware that is not part of the system unit is sometimes.Try pdfdrive:hope to request a book. Get books you want. You will regret time not spent with a husband, a friend, a child, or a parent. ” ? Barbara Bush. It's time for more extensive repairs. Computer repair, however, often comes with headaches and frustrations because the source of the problem isn't obvious. A savvy computer owner takes a deep breath and follows a logical plan.Starting with the manufacturer's technical support is often a logical first choice. Before contacting any service, however, prepare by looking up the information listed in the next section and recording it in one handy place. The more details, the better. Much of the configuration information is available from the documentation (invoices, papers and manuals) that came with the computer's hardware and software. Is it when you turn the computer on or off.http://eco-region31.ru/dodge-grand-caravan-2008-manual Is it when you are using a particular item such as the scanner or the printer. Or is it when you are using a particular program (for example, word processing, spreadsheet, game, desktop publishing, digital photography, etc.)? What were the programs? If so, what? If so, what are the steps? Most manufacturers offer web sites with support information. Some of these web sites are outstanding. Support may also be offered via email, live chat, videoconferencing, and telephone. These last services may or may not have a price tag. Such documentation usually consists of some combination of user manual, troubleshooting guide, and help files. A user's manual may be included in the box with the computer or product. The user's manual may include a troubleshooting section or it may be a separate manual. The troubleshooting section or guide usually contains solutions to some of the most common problems. Some computer manufacturers put an icon on the desktop or an entry in the program list. For some software, you may find the manual in the program folder. Some hardware items also have help files. These may be accessed from an entry in the program list, the installation disk, or through the associated software. This file usually contains information that didn't make it into the user's manual. It may contain troubleshooting information, particularly for installation issues. For some software, the readme file is all the documentation that you get. Much of the support available through the website takes the form of self-help. Here are some common ways such online support is delivered. These may be in just one list or grouped into categories. As the name implies, these questions and answers usually cover the most common issues. Browsing is an excellent way to review FAQs. Some sites have a list of troubleshooting tips and how-to's. This usually provides step-by-step instructions for resolving an issue or how to use a feature or function. These may be an exact copy of what was provided with your product or it may be updated. There may be updates to your manual available as well. You may find additional manuals. Many sites provide a search capability for the knowledge base. Forums or discussion groups are sections of a web site where you can post a question and get an answer from fellow computer users. The forums may or may not be monitored by a company employee. You can also read through the questions and answers already posted to see if your question has already been answered. Many promise a response in 24 to 48 hours. If you e-mail a tech, you usually get an automated response indicating that your message was received and giving you an estimated time for a response. Check the manufacturer's website for the appropriate phone numbers and any applicable fees. If the company provides an 800 (or 888, 877, or 866) number you may or may not have to pay a fee. Some companies don't charge a fee but don't provide a toll-free number so you may have to pay long distance charges. Some companies use a 900 (or 976) number—these are always toll calls. If a 900 support number doesn't tell you upfront the fee for the call, hang up immediately. This can be as short as 90 days (which is common with software). Some give you 30 days free support from the time you place the first phone call. Some companies are using support alternatives such as chats, instant messaging, video conferencing, or social media. Others take advantage of features in operating systems or software programs to fix your computer as if by remote control. How can you tell if the manufacturer you're trying to work with offers such options. Read your documentation and check out the manufacturer's website. Most software warranties cover only the media (CD or diskette) the program came on, not the program itself. To pursue a repair under warranty, follow these steps. The warranty coverage period varies from company to company. Some computer manufacturers provide a 3-year warranty on parts and a 1-year warranty on labor. Other computer manufacturers may provide a longer warranty for an additional cost. Warranties on individual components purchased separately from the computer (such as printers or monitors) or other equipment (such as scanners, joysticks, or external drives) may be one year or less. If the computer or equipment is still within the warranty period, read the small print to determine that you have made no upgrades or additions or done anything that would make the warranty invalid. For example, some computer warranties are void once you open the computer's case, even if you didn't do anything but look at the cables and cards and whatever else is in the tangle of stuff. Other computer warranties are void if you upgraded any components such as adding a bigger hard drive or maybe just adding memory. Checking the fine print can save you headaches fighting with the company. Companies don't necessarily use the same steps. Don't expect a technician to show up at your location with the first phone call. Few companies provide on-site service unless you specifically purchase a service plan that includes it. Follow these steps in addition to the manufacturer's process to safeguard yourself and to help obtain the most satisfactory service: If you are shipping your equipment, some companies require that you write the RMA number on the package. The RMA is the identification number for your equipment. Use it to track your computer's status with the company. Phone number? Website? E-mail? Delete any sensitive information (such as financial information) from it. If you aren't sure, ask if the repair technician wants such items as the keyboard, power cables, or mouse. Don't send any CDs or disks unless specifically told. Describe everything you tried to correct the problem. You want it to arrive in good condition. If you didn't keep the boxes and packing material the computer or equipment came in, ask the company what you should do. Some will send you appropriate packing material. Use the many resources available to diagnose and resolve the problem. At the very least, you'll be a more knowledgeable owner if you do finally have to take the equipment to a repair facility. Don't despair if you don't find the answer from the manufacturer's information, there are many other resources available. Some are free, some require an annual membership fee, and others charge a fee for each consultation. To find sites, you can start with a directory like Yahoo!'s Computers and Internet directory, particularly the Technical Guides and Support listing.Many sites will also have links to other sites. This site has news, reviews, and how-tos. Another online source of support is discussion groups also known as forums or newsgroups. In these you can read through the existing discussions to see if your question has already been answered. You can also join in and post your own question or answer. Many computer support sites host forums. You can also look for computer support on social media sites. There are many books written to help everyone ranging from the novice to the expert. Check out the computer section at your local bookstore or browse the shelves at one online. There may be other options in your local area. These tips can help you locate satisfactory service. Ask around for recommendations. Be sure to ask if they were satisfied with the repair or not. If the company you work for has a computer support staff, ask them for a recommendation of an outside shop. Ask the following questions: Is there an hourly rate in addition to a specific repair cost? If so, what are the fees. Do you pay for travel time? A small shop may offer more customer friendly service than a larger shop. Were they polite and courteous. Did they answer your questions willingly or grudgingly. Did they show that they want your business. If you don't like the interaction, try another. If possible, you may want to check for any complaints about the shop with the local Better Business Bureau or government consumer agency. Delete any sensitive information (like financial information) from it. Your address is not usually necessary. Put at least 2 labels on the box—one on the cover and one on the connector panel (on the back or bottom). They may not need the power cables, or the keyboard or mouse. If they don't tell you, ask. The older your computer, the more likely that parts are no longer available. Depending on the problem it may be costly to repair your computer. It is usually best to determine before you take your computer in, what you are willing to pay to fix it. It may be cheaper to buy a new one. You should authorize only a specific repair or diagnosis. The shop should contact you if they need to do anything more or if the repair isn't the right one. You could get hit with unexpected results and costs if you don't. Also get an estimate on when you can expect to get the computer back. If it isn't itemized, ask for a list of what was repaired. Ask for the old parts that were replaced. If so, or even if you've had it for some time, here are some of our resources to help you keep it in good shape. And with that, the risk of getting scammed rises dramatically, too. Here's how. Tech companies are constantly updating their products with more power and new features to keep you coming back for more. These tips will help you avoid a vaccine-related scam. Check out these marketing practices, right now. Or you may have even seen our video on it (if not, watch it here now). Wireless carriers are offering deals on these smartphones. So, why all the hype over 5G? Probably not. Still, the majority of us do. Shop Safely with These Tips These tips can help. You should be. Chances are, your phone is being mined—right now—without you even knowing it. But, when your device vibrates or chirps and it's from a dear friend or family member who's in jail or prison, declining the call isn't an option. Stay up to date and be a FoolProof consumer. Receive an overview of the latest posts straight into your inbox. Make sure it's not a software problem. Make sure it's not a power problem. Make sure it's not an overheating problem. Think things through. Back up the hard drive(s). Disconnect external cables. Set the display safely aside. Take antistatic precautions. Removing and replacing the case cover Managing Internal Cables and Connectors Number of pins Number of connectors Cable-select cables Use an unkeyed cable. Remove the key from the cable. Unblock the offending hole. Remove the offending pin. Working with expansion cards Physical restrictions Technical restrictions Electrical considerations Interference considerations Setting jumpers Installing drives Before you start, take a few minutes to read through the following sections, which describe the common procedures and general knowledge you need to work on PCs. These sections describe the common tasks involved in working on a PC things like opening the case, setting jumpers, manipulating cables, and adding or removing expansion cards. Instructions for specific tasks like replacing a motherboard, disk drive, or power supply are given in the relevant section. These wallets use plastic or Tyvek sleeves to protect the discs, hold from half a dozen to several dozen discs, and make it easy to find the one you want. If the disc has a serial number or activation key on the original jewel case, make sure to record it on the CD, using a soft permanent marker on the label side. It's also a good idea to record the serial number or initialization (init) key on the disc sleeve or a small card so that the number is accessible when the disc is already in the drive. We also buy a disc wallet for each PC we buy or build. New PCs usually arrive with several discs, as do individual components. Storing these discs in one place, organized by the system they belong to, makes it much easier to locate the one you need. When your system has problems, do the following before you open the case: Disconnect all unessential cables, leaving only the mouse, keyboard, and display attached. Unplug the printer, USB hub, and any other attached peripherals to give them a chance to reset themselves. Turn your computer off, then restart it. If the problem is gone, try reattaching the cables one at a time to see if it comes back. Before you assume that it's a hardware problem, make sure that the problem isn't caused by an application, by Windows, or by a virus. If the system boots and runs Knoppix successfully, defective hardware is very unlikely to be the problem. Sporadic problems such as spontaneous reboots are often caused by poor-quality power. Before you start tearing your system down, make sure the problem isn't caused by bad electrical power. At a minimum, use a surge protector to smooth incoming power. Better still, connect the system to a UPS (Uninterruptible Power Supply). If you don't have a UPS, connect the system to a power receptacle on a different circuit. Sporadic problems, or those that occur only after a system has been running for some time, are often caused by excessive heat. Most modern motherboards include built-in temperature sensors generally one embedded in the processor socket to report CPU temperature and one or more others near the memory, chipset, and other critical components. If no such utility is available for your operating system, simply reboot the computer, run BIOS Setup, and navigate the Setup menus until you find the option for Hardware Monitoring or something similar. Because the built-in temperature, voltage, and fan-speed sensors report their readings to the BIOS, you can read and record those values directly from the BIOS Setup screen. It's best to reboot and take the reading after the computer's been up and running for a while, and preferably just after it's exhibited the problems you are trying to resolve. For example, a processor that normally idles at 35 C may reach 60 C or higher when it runs a CPU-intensive program. The idle and loaded temperatures are both important.Most of these utilities can also shut down the system to prevent damage if the readings exceed the limits you've set. To determine the proper range of settings, refer to the documentation included with your system, motherboard, or processor. Experienced ones first decide what is the most likely cause of the problem, what can be done to resolve it, in what order they should approach the repair, and what they'll need to complete it. Determine the most likely causes of the problem in approximate ranked order, decide which are easy to check for, and then eliminate the easy ones first. Otherwise, you may find yourself tearing down your PC and removing the video card before you notice that someone unplugged the monitor. Every time you pop the cover of a PC, there's a small but ever-present risk that something that used to work won't work when you put everything together again. One of the wires in a cable may be hanging by a thread, or the hard drive may be teetering on the edge of failure. Just opening the case may cause a marginal component to fail irreversibly. So, before you even think of doing PC surgery, make sure that the hard drive is backed up. Many PCs are under desks or somewhere that otherwise makes it difficult to see the rear panel. If necessary, get down on the floor and crawl behind the PC with a flashlight to make sure it isn't still tethered to something. Check the cables or pay the price. Flat-panel LCD displays aren't dangerous in that respect, but it's easy to do a lot of expensive damage very quickly if you don't take care. A display on the floor is an accident waiting to happen. If you're not moving the display to the work area, keep it on the desk out of harm's way. If you must put it on the floor, at least turn the screen toward the wall. It's also a good idea to avoid rubber-soled shoes and synthetic clothing and to work in an uncarpeted area. Before you begin work, mist the work area liberally, both air and surfaces. The goal isn't to get anything wet. Just the added humidity is enough to all but eliminate static electricity. We've worked on hundreds of different PCs from scores of manufacturers over the years, and we're still sometimes stumped. Manufacturers use an endless variety of fiendish ways to secure the cover to the chassis. Some were intended to allow tool-free access, others to prevent novice users from opening the case, and still others were apparently designed just to prove that there was yet one more way to do it. Nothing could be further from the truth. It just sometimes takes a while to figure it out. The cover appeared seamless and monolithic. We tried everything we could think of to get that cover off. We pulled gently on the front of the case, thinking that perhaps it would pop off and reveal screws underneath. We pressed in gently on the side panels, thinking that perhaps they were secured by a spring latch or friction fit. Nothing worked. The bottom of computer cases is almost always unfinished metal, but this one was finished beige material that looked just like the other parts of the cover. That seemed odd, so we examined the four rubber feet closely. They had what appeared to be center inserts, so we pried gently on one of these with our small screwdriver. Sure enough, it popped off and revealed a concealed screw within the rubber foot. Once we removed those four screws, the cover slid off easily, bottom first. It sometimes just takes determination, so keep trying. Your first resort should be the manual or, lacking that, the web site of the system or case manufacturer. Fortunately, most cases don't use such convoluted methods, so opening the case is usually straightforward. The connector that terminates a cable may mate with a connector on the end of another cable, or it may mate with a connector that is permanently affixed to a device, such as a hard disk or a circuit board. Such a permanently affixed connector is called a socket, and may be male or female. These cables carry power and signals between various subsystems and components of the PC. Making sure they're routed and connected properly is no small part of working on PCs. By convention, every connector is considered either male or female. Many male connectors, also called plugs or headers, have protruding pins, each of which maps to an individual wire in the cable. The corresponding female connector, also called a jack, has holes that match the pins on the mating male connector. Matching male and female connectors are joined to form the connection. Three cables of this sort are common in PCs those used to supply power to the motherboard and drives; those that connect front-panel LEDs, switches, and (sometimes) USB, FireWire, and audio ports to the motherboard; and those that connect audio-out on an optical drive to a sound card or motherboard audio connector. Figure 2-5 shows the front-panel power LED cable already connected to the motherboard, and the female jack of the front-panel reset switch cable being seated against the male motherboard header-pin connector for that cable. Ribbon cables provide a way to organize the wires required to connect devices like drives and controllers, whose interfaces require many conductors. Ribbon cables are normally used only inside the case, because their electrical characteristics cause them to generate considerable RF emissions, which can interfere with nearby electronic components. Most important is to prevent connecting a cable to the wrong device. For example, connecting 12-volt power to a device that expects only 5 volts might have a catastrophic result. This goal is achieved by using unique connectors that physically prevent the cable from connecting to a device not designed to receive it. The second potential error is connecting a cable upside-down or backward. Most PC cables prevent this by using unsymmetrical connectors that physically fit only if oriented correctly, a process called keying. The first uses mating connectors whose bodies connect only one way, and is used for all power cables and some ribbon cables. The second, used by some ribbon cables, blocks one or more holes on the female connector and leaves out the corresponding pin on the male connector. Such a ribbon cable can be installed only when oriented so that missing pins correspond to blocked holes. You can't connect these cables to the wrong thing because the connector only fits the right thing; you can't connect them backwards, because the connector only fits the right way. Fortunately, most of the dangerous cables in PCs the ones that could damage a component or the PC itself if they were misconnected are of this sort. Power cables for disk drives and ATX motherboards, for example, fit only the correct devices and cannot be connected backwards. Connecting one of these cables wrong usually won't damage anything, but the system may not work properly, either. The cables that link front-panel switches and indicator LEDs to the motherboard are of this variety. The 40 individual wires are visible as raised ridges in the ribbon cable assembly. ASUS has provided a pull tab on the motherboard end of the cable to make it easier to remove, and has labeled the pull tab to recommend using it with optical drives. (Hard drives use the 80-wire version of the cable, shown later in Figure 2-7.) They're often light gray, although some newer motherboards targeted at gamers and other enthusiasts include cables that are black, a bright primary color, or rainbow-colored. All of them use a contrasting colored stripe to indicate pin 1 red on standard gray cables; white on the cable shown here; brown on rainbow cables. But there are the following differences among ribbon cables: The exception is Ultra-ATA hard drive cables, which use 40-pin connectors with 80-wire cables. Although the physical connectors are identical, if you connect an Ultra- ATA hard drive with a 40-wire ATA cable drive, performance will be significantly slower than if you use the proper 80-wire cable. ATA cables, used to connect hard drives and optical drives, have three connectors, a motherboard connector at one end, a connector for the master drive at the other end, and a connector for the slave drive in the middle (but located nearer the master drive connector). SCSI cables, used in servers and high-end workstations, may have five or more drive connectors. That is, while all 40 signal wires connect to the drive connector in the middle of the cable, only 39 of those signal wires are routed to the drive connector on the end of the cable. This missing conductor allows the position of the device on the cable to determine whether that device functions as a master or slave device, without requiring jumpers to be set. For example, a standard flat 40-wire IDE ribbon cable might be sliced into ten 4-wire segments, which are then bound with cable ties or otherwise secured into a more or less round package. The advantage to round ribbon cables is that they reduce clutter inside the case and improve air flow. The disadvantage is that doing this reduces signal integrity on the individual wires because signal-bearing wires are put into closer proximity than intended. We recommend you avoid round ribbon cables, and replace any you find in any of your systems with flat ribbon cables.