5 mysterious questions of computer systems

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Why does the pc conceal some essential information by itself? The next article will clarify 5 mysterious questions that not everybody is aware of.

1. Why would not the motherboard “beep” when the pc boots

Most motherboards make a somewhat loud “beep” sound whenever you flip it on calculator to sign the machine to function usually. If there’s a downside, they’ll emit a collection of “beeps”. Then it’s good to lookup the handbook to repair the issue. If the motherboard would not “beep,” and your pc would not begin correctly, the motherboard could also be broken.

Verify once more to ensure the part is plugged in correctly and restart the machine once more. If the “beep” nonetheless would not sound and the pc will not activate, you might want a brand new motherboard. As well as, some motherboards might use an on-screen message throughout startup or an LED on the motherboard itself to interchange the “beep” sound.

2. Why are IPS screens so widespread?

When shopping for a brand new monitor, you might be confused by the distinction between a TN (Twisted Nematic) monitor and an IPS (in-plane switching) monitor. IPS screens are typically higher than TN screens as a result of they’ll show extra colours and extra brightness ranges. As well as, they’ve higher viewing angles than TN screens. What’s extra, IPS screens are extra delicate to the touch than TN screens, making them the perfect know-how for contact screens.

Though IPS has been round since 1996, the know-how has not but grow to be normal, so you might come throughout different variants of IPS equivalent to Tremendous IPS and IPS Professional. Most variants of IPS have an enchancment over the essential IPS know-how. Nonetheless, TN screens are nonetheless cheaper to fabricate.

3. Why is ink so costly?

With out ink, your printer is only a large paperweight. With that in thoughts, firms like Canon, HP, and Lexmark are keen to promote printers for reasonable (maybe beneath $100), and to promote ink at a premium. see extra printer ink refill ours.


Printer ink is extraordinarily tough to duplicate. The best consumer-grade printers are additionally a marvel of know-how. They’ll preserve ink liquid at extraordinarily excessive temperatures, then immediately dry on paper after being pumped via a small tube at roughly 30 mph. After all, refilling your printer’s ink can be cheaper for those who purchase a printer that is proper to your printing wants.

In line with creator Melissa Riofrio of PCWorld journal (USA), it’s a wiser selection to purchase a printer that prices 200 USD or extra for those who print greater than 250 pages per 30 days, due to the price of changing ink for numerous varieties. Costly printers are sometimes cheaper than ink replacements for cheap printers. In case your printing wants are lower than 250 pages per 30 days, purchase the most cost effective printer that may meet your wants.

4. USB 3.Zero completely different from USB 2.0?


USB 3.Zero information switch know-how has a theoretical most velocity of 5 gigabits per second, whereas the utmost velocity of USB 2.Zero is 460 megabits per second. Whilst you might not attain the theoretical 5 gigabit switch price in on a regular basis use, you will discover USB 3.Zero information switch considerably sooner than USB 2.0. Information switch between USB 3.Zero gadgets can also be extra environment friendly, as USB 3.Zero permits simultaneous information switch from each instructions; whereas USB 2.Zero gadgets solely transmit in a single course at a time. After all, to get these advantages, you’ll have to spend money on buying USB 3.Zero gadgets in addition to cables. Though USB 3.Zero is backward suitable, which implies it is going to work with all USB 2.Zero gadgets, you’ll have to buy an extra USB 3.Zero cable if you need your USB 3.Zero system to switch information at the very best velocity.

5. Why does the working system conceal some essential system information?

The purpose is that non-computer savvy customers will not edit or delete these information, and thus trigger system failure. So find out how to see hidden information and folders on Home windows computer systems? Open Home windows Explorer, go to Instruments/Folder Choices within the File menu. By default, Home windows Vista and Home windows 7 disable the menu.

To convey up the menu, maintain down the Alt key. After opening the “Folder Choices” menu, choosing the “View” tab and clicking the “Superior Setting” menu, you will discover settings for a way Home windows treats hidden information and folders. Allow the “Present Hidden Recordsdata,Foders and Drives” choices. Now you can see all hidden information and folders in your pc. After you discover the file you might be searching for and make the required adjustments, be sure you flip off the choice to indicate hidden information.

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