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How do you perform quality assurance and testing on different types of computers and devices?

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Quality assurance and testing are essential steps in any computer repair process. They help you ensure that the computers and devices you work on are functioning properly, meet the customer's expectations, and comply with the industry standards. In this article, you will learn how to perform quality assurance and testing on different types of computers and devices, such as desktops, laptops, tablets, smartphones, and peripherals.

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Nicholas Borgerson

Knowledge Manager at Blue Mantis

1 Desktop Computers

Desktop computers are usually composed of several components, such as the motherboard, CPU, RAM, hard drive, power supply, and optical drive. To test these components, you need to use specialized software tools that can diagnose hardware issues, check performance, and monitor temperature and voltage. Some of the common tools are CPU-Z, CrystalDiskInfo, HWMonitor, and MemTest86. You should also check the physical connections, cables, and fans for any damage or loose parts. Additionally, you should test the keyboard, mouse, monitor, and speakers for functionality and quality.

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Nicholas Borgerson

Knowledge Manager at Blue Mantis
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Having a checklist of all components you need to check and verify they were installed correctly will help to ensure consistency when performing QA checks on many computers. It is also a good idea to verify the BIOS settings to ensure the desktop has the optimal memory and cpu settings, and has any needed security features enabled for the OS to use. In addition to using the above applications to monitor the computer, it’s common to put the computer components under high load using applications like prime95, 3Dmark, and others. This helps to ensure the system can cool itself properly and can help find early hardware failures.

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2 Laptop Computers

Laptop computers are similar to desktop computers in terms of hardware, but they have some additional features, such as the battery, webcam, microphone, touchpad, and wireless adapter. To test these features, you need to use software tools that can measure the battery health, test the webcam and microphone quality, and scan for wireless networks. Some of the common tools are BatteryCare, Skype, and WiFi Analyzer. You should also check the laptop case, hinges, screen, and keyboard for any cracks, scratches, or dirt. Moreover, you should test the laptop charger and power cord for any signs of wear or damage.

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Nicholas Borgerson

Knowledge Manager at Blue Mantis
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Laptops are a little different from desktops in that they are highly proprietary in their internal layout. The same applications can be used to monitor and put a high load on the components. Monitoring the thermals on laptops is especially important and is a common point of failure. Consider carefully if you or your business should use or resell laptops that have poor thermal performance. Laptops commonly have their own testing tools available from manufacturers, and have these tools pre-installed in a recovery partition. These tools will be required if components need to be replaced under warranty. I’ve never heard of using Skype for testing anything, in my experience using the built in camera and voice recording apps are sufficient.

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3 Tablet Computers

Tablet computers are portable devices that have a touchscreen interface and run on mobile operating systems, such as Android or iOS. To test these devices, you need to use software tools that can check the touchscreen responsiveness, display quality, sound quality, camera quality, and sensor accuracy. Some of the common tools are Touchscreen Test, Display Tester, Sound Meter, Camera Tester, and Sensor Box. You should also check the tablet case, buttons, ports, and speakers for any damage or dust. Furthermore, you should test the tablet battery and charger for any issues or defects.

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4 Smartphone Devices

Smartphone devices are similar to tablet computers in terms of features, but they have some additional functions, such as making calls, sending messages, and accessing mobile networks. To test these functions, you need to use software tools that can test the signal strength, voice quality, SMS delivery, and data speed. Some of the common tools are Signal Check, Phone Tester, SMS Test, and Speedtest. You should also check the smartphone case, screen, buttons, and microphone for any cracks, dents, or dirt. Additionally, you should test the smartphone battery and charger for any problems or faults.

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Nicholas Borgerson

Knowledge Manager at Blue Mantis
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Please be very careful with what apps are being used for testing and benchmarking tablets and phones. The the author of the app, it’s country of origin, and the permissions it needs to run can help determine trustworthiness. Many apps like this are suspicious. Built in apps like voice memos, the camera, notes, and a piano app like band camp can perform almost all of the same tests.

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5 Peripheral Devices

Peripheral devices are external devices that connect to computers or devices via USB, Bluetooth, or other interfaces. They include printers, scanners, webcams, headphones, speakers, and keyboards. To test these devices, you need to use software tools that can detect the device drivers, test the device functionality, and troubleshoot any errors. Some of the common tools are Device Manager, Printer Test Page, Scanner Test, Webcam Test, and Audio Test. You should also check the device cables, connectors, and batteries for any damage or corrosion. Moreover, you should test the device compatibility and performance with different computers or devices.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How do you perform quality assurance and testing on different types of computers and devices?

1

2

3

4

5

6

1 Desktop Computers

2 Laptop Computers

3 Tablet Computers

4 Smartphone Devices

5 Peripheral Devices

6 Here’s what else to consider

Computer Repair

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How do you perform quality assurance and testing on different types of computers and devices?

1

2

3

4

5

6

1 Desktop Computers

2 Laptop Computers

3 Tablet Computers

4 Smartphone Devices

5 Peripheral Devices

6 Here’s what else to consider

Computer Repair

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