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16/03/2015

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20/02/2015

Top 10 tips for solving common PC problems

1: My computer is slow

The most common problem of all. A slow computer can cause many frustrations, but fortunately there is something you can do yourself before you replace it. There may be several reasons for a slow computer; however, the most common is lack of maintenance. Fragmented data, a corrupted registry, spyware and dozens of unnecessary programs running at the same time, easily eat at the speed and performance of your PC.

Tips: Keep track of your programs. Remove those of which you never use or shut them down when you've used them. Clean your registry with one of the many free or paid applications available for Windows. These two initiatives alone will easily be able to make your PC up to 30% faster. Also, run Disk Defragmenter and stop unwanted programs starting with Windows by running MSconfig: see our guide on How to make your Windows PC boot faster

2: My computer freezes

Also a common problem, but it is far more serious than a slow PC. In most cases it is caused by viruses, especially spyware that has been installed on your computer. It can enter via a click on a link to a fake website from an email or so on. Often the email is being sent from what looks like your bank, Paypal, Facebook or similar. Last year MYSecurityCenter registered an increase in malware infections coming from Facebook-related fraudsters among their customers.

The problem can also be caused by hardware - perhaps some memory you just installed - or recent software updates, including Windows Update.

Tips: Check the link you are clicking by holding the cursor over it to see the link's full address. Does it look suspicious? Never give out your passwords or credit card information to anyone, even if it seems like your bank requires you to verify your account. It's a clever phishing trick that hackers use to gain access to your money. Make sure your antivirus and anti-spyware software is updated. Most antivirus programs can be set to automatically to check for new updates. If you are sure that your computer is spyware free, the problem may be due to outdated hardware drivers. Check your hardware drivers for updated versions. Outdated drivers can cause your computer to stop responding and freeze.

If you suspect the problem is hardware related, you can try uninstalling any component you recently installed, or try removing or unplugging unnecessary hardware one piece at a time then booting your PC to see if the problem goes away. You can also try using Windows Restore to roll back to a previous restore point.

3: I forgot to backup my data

Unfortunately, backup is still an overlooked security task for many home users - until the day it is too late. Important documents, photos, music libraries and emails are automatically stored on your computer's hard drive, which is a mechanical and electrical device. When it breaks down (and it is when, not if) this data will disappear forever. Even if you have a warranty from the hard drive manufacturer, it does not cover your data, it only replaces the hard drive with a new one.

Tips: Find a solution that automatically makes backup to an external hard drive, server or cloud service. If you choose to back up to a hard drive, make sure that it is not placed near your computer as in case of fire it will also be destroyed. Backup should preferably be an automated process that operates independently of whether you remember it or not. Online backup solutions have the advantage that you can access your data from anywhere in the world. They are not affected by natural disasters, and most online services guarantees 100% security by providing backup to their backup.

4: I get bombarded with adware and my home page has changed

Many do not notice that they often accept a new toolbar when they download free programs such as Adobe Reader. For example Adobe Reader now offers the Google Chrome internet browser as part of its download. Whilst Adobe and Google are reputable companies, other free downloads may install toolbars or other applications that can contain malicious code that hijacks your browser and changes all the settings. So your home page for example is changed to another website that you can't then change back. At the same time, annoying pop-up messages with advertisements for products you've never asked for are constantly displayed on screen every time you try to browse the internet.

Tips: Read the conditions before downloading a new program and pay attention to what you allow. If damage is done, it can be difficult to remove the program. The best bet is to follow the instructions found when looking for information about the specific problem on Google. There are probably others who have had the same challenge and have described the solution on the internet. If you are not so technical, professional PC support may be the solution.

5: I cannot get online

Internet connection problems can be caused by many different things. The most common are network misconfigurations, hardware or software errors in the router, latency from your Internet Service Provider, incorrect IP address configuration, incorrect connection of network cables, firewall applications that block http traffic from your PC or temporary timeouts your ISP.

Tips: Check that the Wi-Fi is enabled on your computer - laptops often have a button, switch or Function key combination somewhere on your computer or keyboard. Check that the network icon on your computer is connected or if there is a yellow warning signal or it is disabled. If it is connected, call your network provider or get hold on someone with more knowledge on IT.

If Wi-Fi is disabled, you must check whether the cable is connected properly or if wifi is not on. If there is a yellow warning, you must reboot the router. If this does not work, try pressing Start in Windows XP, Vista or 7 and typing "cmd" into the search box and click enter. Then a black box pops up where you can type "ipconfig / release" then "ipconfig / renew". If the internet is not working now, call your ISP.

6: My computer turns off by itself

Typically this is due to dying power supply, bad cable connections, defective battery or overheating when the computer shuts down by itself to cool down.

Tips: Check first of all that the cables are properly connected. If the computer is very hot, check if the fan needs cleaning of dust. If it is a laptop, check whether your battery has deteriorated over time and may need to be replaced.

7: My smartphone will not synch with my PC

In order to ensure backup of your smartphone, it is important that you regularly synch your phone content with your computer. When synchronisation does not work as expected may be due to various factors, depending on the type of smartphone and PC. Sometimes it is required that all programs are closed, during synching or backup.

Tips: Close open applications, if required. Be sure to download or reject the proposed updates that pop up along the way, so synchronization can be done. Look for the icon of synchronization to appear and check if for example the latest photos on your smartphone have been transferred to the computer. Verify the user manual for your device.

8: My wireless network is unstable

An unstable wireless network is a very common problem. It can be caused by everything from radio waves that interfere with the signal to the router's location in the home or outdated network drivers.

Tips: If you suspect that it may be your cordless phone, the electric garage door opener or your radio that interferes with the wireless connection, it may be an idea to change the radio wifi settings or to move your router. The latter can also be a solution if you have trouble going online around the house or in the garden. You can also buy a wireless repeater to extend the signal. Also make sure that your network driver is always up to date. See also: Boost your router's Wi-Fi coverage

9: I cannot print from the web

Most of us have had the need to print tickets or documents that we ordered or downloaded from the web. If your computer's pop-up blocker is turned on, this can cause you to not be able to print. There are also PDF documents that are rights protected by passwords and therefore not printable.

Tips: Allow temporary pop-ups. You can find legitimate programs that can break the code in a protected PDF document, but they are usually only legal to use if you or your workplace have the copyright to the document.

10: My computer makes strange noises

If your computer suddenly starts to buzz or vibrate, it can be due to a hardware failure. High, whining noises may indicate problems with the electrical components, while buzzing noises are often caused by lack of ventilation.

Tip: Clean the filter and fan for dust and make sure that all air inlets are free. If you have a laptop, you can try to uninstall and reinstall your sound drivers. If it is a desktop, it may be that the sound card needs replacement.

Read more: http://www.pcadvisor.co.uk/…/top-10-tips-for-solving-comm…/…
Top 10 tips for solving common PC problems
We tackle ten of the most common PC problems from slow running to no internet connection, and provide tips on fixing and preventing them.

20/02/2015

A+ Computer Hardware and Operating Systems

Chapter 1 – Introducing Hardware

Read pages 1 – 34

Review PowerPoint (Webpage)

Review Chapter Summary

Review Key Terms

Assignment – Reviewing the Basics 1 – 30 All

Thinking Critically 1 – 7 All

Hands-on Projects – Project 1-2, Project 1-3

Real Problems, Real Solutions – Real Problem 1-1

Chapter 3 – Working with People

in a Technical World

Read pages 81-109

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Assignment – Reviewing the Basics 1 – 20 All

Thinking Critically 1 – 2 All

Hands-on Projects – Project 3-2, Project 3-3, Project 3-4

Chapter 5 – All About Motherboards

Read pages 175-238

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Assignment – Reviewing the Basics 1 – 25 All

Thinking Critically 1 – 6 All

Hands-on Projects – Project 5-2, Project 5-3, Project 5-4,

Project 5-5, Project 5-6

Chapter 7 – Upgrading Memory

Read pages 297-327

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Assignment – Reviewing the Basics 1 – 30 All

Thinking Critically 1 – 5 All

Hands-on Projects – Project 7-1, Project7-2, Project 7-3

Real Problems, Real Solutions – Real Problem 7-1

Chapter 9 – Installing and Supporting I/O Devices

Read pages – 391-470

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Assignment – Reviewing the Basics 1 – 25 All

Thinking Critically 1 – 4 All

Hands-on Projects – Project 9-2, Project 9-3, Project 9-4

Real Problems, Real Solutions – Real Problem 9-1

Chapter 2 – Introducing Operating Systems

Read pages 35-80

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Assignment – Reviewing the Basics 1 – 25 All

Thinking Critically 1 – 6 All

Hands-on Projects – Project 2-1, Project 2-3, Project 2-4

Real Problems, Real Solutions – Real Problem 2-1

Chapter 4 – Form Factors, Power Supplies, and

Working Inside a Computer

Read pages 111-173

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Assignment – Reviewing the Basics 1 – 33 All

Thinking Critically 1 – 5 All

Hands-on Projects – Project -4-1, Project 4-2, Project 4-5,

Project 4-7

Chapter 6 – Supporting Processors

Read pages 239-295

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Assignment – Reviewing the Basics 1 – 20 All

Thinking Critically 1 – 3 All

Hands-on Projects – Project 6-5

Chapter 8 – Supporting Hard Drives

Read pages 329-390

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Assignment – Reviewing the Basics 1 – 25 All

Thinking Critically 1 – 3 All

Hands-on Projects – Project 8-1, Project 8-2, Project 8-4,

Project 8-5, Project 8-6

Real Problems, Real Solutions – Real Problem 8-1, 8-2

Chapter 10 – Multimedia Devices and Mass Storage

Read pages 471- 519

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Assignment – Reviewing the Basics 1 – 20 All

Thinking Critically 1 – 3 All

Hands-on Projects – Project 10-1, Project 1-2, Project 10-3

Real Problems, Real Solutions – Real Problem 10-1

A+ Computer Hardware and Operating Systems

Chapter 11 – PC Maintenance and Troubleshooting

Read pages 521-546

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Assignment – Reviewing the Basics 1 – 15 All

Thinking Critically 11 – 3 All

Hands-on Projects – Project 11-1, Project 11-2, Project

11-3

Chapter 13 – Maintaining Windows

Read pages 603-676

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Assignment – Reviewing the Basics 1 – 33 All

Thinking Critically 1 – 3 All

Hands-on Projects – Project 13-1, Project 13-2, Project

13-4, Project 13-5

Real Problems, Real Solutions – Real Problem 13-2

Chapter 15 – Tools for Solving Windows Problems

Read pages 745-809

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Assignment – Reviewing the Basics 1 – 33 All

Thinking Critically 1 – 5 All

Hands-on Projects – Project 15-2, Project 15-6, Project

15-7

Real Problems, Real Solutions – Real Problem 15-1

Chapter 17 – Networking Essentials

Read pages 847-917

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Assignment – Reviewing the Basics 1 – 33 All

Thinking Critically 1 – 3 All

Hands-on Projects – Project 17-1, Project 17-2, Project

17-3, Project 17-4

Real Problems, Real Solutions – Real Problem 17-1

Chapter 19 – Security Essentials

Read pages 991-1037

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Assignment – Reviewing the Basics 1 – 20 All

Thinking Critically 1 – 3 All

Hands-on Projects – Project 19-1, Project 19-2, Project

19-3, Project 19-5

Real Problems, Real Solutions – Real Problem 19-2

Chapter 12 – Installing Windows

Read pages 547-602

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Assignment – Reviewing the Basics 1 – 30 All

Thinking Critically 1 – 4 All

Hands-on Projects – Project 12-4, Project 12-6, Project

12-7

Real Problems, Real Solutions – Real Problem 12-1

Chapter 14 – Optimizing Windows

Read pages 677-743

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Assignment – Reviewing the Basics 1 – 30 All

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Hands-on Projects – Project 14-1, Project 14-2, Project

14-3, Project 14-4, Project 14-5

Real Problems, Real Solutions – Real Problem 14-1, Real

Problem 14-2

Chapter 16 – Fixing Windows Problems

Read pages 811-846

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Assignment – Reviewing the Basics 1 – 20 All

Thinking Critically 1 – 5 All

Hands-on Projects – Project 16-1, Project 16-4

Real Problems, Real Solutions – Real Problem 16-1

Chapter 18 – Networking Practices

Read pages 919-989

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Assignment – Reviewing the Basics 1 – 30 All

Thinking Critically 1 –3 All

Hands-on Projects – Project 18-1, Project 18-4

Real Problems, Real Solutions – Real Problem 18-1

Chapter 20 – Security Practices

Read pages 1039-1091

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Assignment – Reviewing the Basics 1 – 20 All

Thinking Critically 1 – 3 All

Hands-on Projects – Project 20-1

Real Problems, Real Solutions – Real Problem 20-1

A+ Computer Hardware and Operating Systems

Chapter 21 – Supporting Notebooks

Read pages 1093-1160

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Assignment – Reviewing the Basics 1 – 20 All

Thinking Critically 1 – 3 All

Hands-on Projects – Project 21-1, Project 21-2

Real Problems, Real Solutions – Real Problem 21-1

Appendix A – COMPTIA A+ Acronyms

Pages 1223-1231

Appendix B – Keystroke Shortcuts in Windows

Pages 1233-1235

Chapter 22 – Supporting Printers

Read pages 1161-1222

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Assignment – Reviewing the Basics 1 – 20 All

Thinking Critically 1 – 3 All

Hands-on Projects – Project 22-2, Project 22-3

Real Problems, Real Solutions – Real Problem 22-1

20/02/2015

Sony vio Core i 5 Laptop

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20/02/2015

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Manufacturer Apple
Product Family Mac Book Pro
Model ID MacBookPro5,1
Model Number A1286

Motherboard
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Display
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20/02/2015

Salam to All Friends i wana sale laptop dell 1400 Model
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