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Samsung UN55NU710DF Smart TV will not power on


I have fixed quite a few TVs with repair parts such as diodes, capacitors, and data cables found on eBay for less than $5. Most newer TVs have a few boards connected to an LCD, and it’s usually one of these boards that fails. My latest successful fix was a Samsung UN55NU710DFXZA Smart TV that […]

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Where to purchase a CyberPower SE425G CPS3.6-12 Battery


The CyberPower SE425G UPS Battery Backup is a very reliable, affordable, and good quality product. The only problem: It’s weird, non-standard Battery size which has become a problem to purchase. It’s very difficult to find a reliable source even on eBay or Amazon. The UPS comes with a VRLA Rechargeable Battery from B.B. Battery, model […]

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Why are Flight Simulators and their components expensive?


This video focuses on explaining how Flight Simulators can be so expensive, and does so by dissecting simulator gear and going over pricing for the basic components. When analyzing several components, we start with products from Logitech, such as the Pro Flight Switch Panel. These pre-built components are very popular and are usually the first […]

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Energy Usage Research on Computer Power Supplies


Although there are many articles and published papers on energy consumption related to computer equipment, it’s almost impossible to find detailed specifications of this equipment. Here, you will find both: actual measurements (not averages or estimates) and also the specifications of the devices, which can help with comparison and identification. Please note: More devices are […]

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Energy Usage Research on IoT and other Electronic Devices


Although there are many articles and published papers on energy consumption related to computer equipment, it’s almost impossible to find detailed specifications of this equipment. Here, you will find both: actual measurements (not averages or estimates) and also the specifications of the devices, which can help with comparison and identification. Please note: More devices are […]

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Energy Usage Research on Network Hardware


Although there are many articles and published papers on energy consumption related to computer equipment, it’s almost impossible to find detailed specifications of this equipment. Here, you will find both: actual measurements (not averages or estimates) and also the specifications of the devices, which can help with comparison and identification. Please note: More devices are […]

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Energy Usage Research on LCD, CRT Monitors and TVs


Although there are many articles and published papers on energy consumption related to computer equipment, it’s almost impossible to find detailed specifications of this equipment. Here, you will find both: actual measurements (not averages or estimates) and also the specifications of the devices, which can help with comparison and identification. Please note: More devices are […]

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Energy Usage Research on Server Computers


Although there are many articles and published papers on energy consumption related to computer equipment, it’s almost impossible to find detailed specifications of this equipment. Here, you will find both: actual measurements (not averages or estimates) and also the specifications of the devices, which can help with comparison and identification. Please note: More devices are […]

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Energy Usage Research on Laptops and MacBooks


Although there are many articles and published papers on energy consumption related to computer equipment, it’s almost impossible to find detailed specifications of this equipment. Here, you will find both: actual measurements (not averages or estimates) and also the specifications of the devices, which can help with comparison and identification. Please note: More devices are […]

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Energy Usage Research on Desktop Computers


Although there are many articles and published papers on energy consumption related to computer equipment, it’s almost impossible to find detailed specifications of this equipment. Here, you will find both: actual measurements (not averages or estimates) and also the specifications of the devices, which can help with comparison and identification. Please note: More devices are […]

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