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How to use an external hard disk? How to choose guide

An external hard disk is convenient since you can increase the amount of data that can be stored in a device by connecting. Unlike a built-in hard disk, it is easy to connect to a device, and if it is small and lightweight, it can be carried around. In this article, we explains how to use an external hard disk well even for beginners of personal computers and digital devices, showing points to choose a suitable external hard disk according to usages.

1. How to use an external hard disk
1-1. Connect to a computer
1-2. Connect to your smartphone
1-3. Save a recorded TV program
2. How to choose an HDD according to your purpose
2-1. Use for backing up desktop PCs and recording TV programs
2-2. To carry
3. To choose NAS type products
4. Conclusion Let’s understand features of an external HDD and make effective use of it.

Since external hard disks have different characteristics depending on how they are used and devices to be connected, so make sure you understand them and choose a suitable one for you. It is also important to select an appropriate type of external HDD, considering which you want to connect with and how to use in daily life.

Are there different types of Blu-ray drives? Explanation from basic knowledge to types of Blu-ray drives

In recent years, Blu-ray discs are often used in place of DVDs, and are becoming the mainstream recording media to replace DVDs, such as being used in software for game consoles like PS3 and PS4. In this content, we introduces basic knowledge and types of Blu-ray discs and Blu-ray drives that read Blu-ray discs.

1. Basic knowledge of Blu-ray disc
2. Blu-ray disc type
2-1. Rewritable type
2-2. Addendum type
2-3. Read type
3. Basic knowledge of Blu-ray drive
3-1. Compatible discs for Blu-ray drives
3-2. Other functions of Blu-ray drive
4. Blu-ray drive type
4-1. Built-in Blu-ray drive
4-2. External Blu-ray drive
5. Conclusion Let’s learn the type and function and choose the suitable one for you
Blu-ray drives have different functions and performances depending on the product as well as the connection method. Especially when using 4K video and 3D video that have been used in recent years, the function is an important factor when choosing a Blu-ray drive. Based on the characteristics of each Blu-ray drive, choose the Blu-ray drive that suits your usage.

Did the Blu-ray drive break down? Thorough explanation of diagnostic methods, defects, and solutions

The Blu-ray drive is one of the optical drives that can read DVDs and Blu-rays and write data. It is a mainstream optical drive installed in personal computers and recording and playback devices. The Blu-ray drive is indispensable for reading and writing data, but what should you do if it suddenly fails or is suspected of failure? In this content, we introduces problems that occur in the event of a Blu-ray drive failure, diagnostic methods, and solutions in the event of an actual failure.

1. Problems that occur when the Blu-ray drive is out of order
1-1. The disc cannot be read
1-2. Blu-ray drive tray does not open
1-3. An error occurs during reading and writing / It stops during playback
2. Blu-ray drive failure diagnosis method
2-1. Check if the Blu-ray drive is out of order
2-2. Check the disc for dirt and scratches
2-3. Try cleaning the pickup lens part
2-4. Check the device manager
3. What to do if it is out of order
3-1. If an error message appears in Device Manager
3-2. If there is a physical problem such as the Blu-ray drive not being recognized by Device Manager
4. Conclusion Let’s understand the cause of the Blu-ray drive failure and take appropriate measures.
If something goes wrong with your Blu-ray drive, you can get a rough idea of the condition with the diagnostic method introduced here. It is important to understand the cause of the failure and the state of the failure. And then, take appropriate measures, such as replacing or repairing the Blu-ray drive.
If something goes wrong with your Blu-ray drive, you can get a rough idea of the condition with the diagnostic method introduced here. It is important to understand the cause of the failure and the state of the failure. And then, take appropriate measures, such as replacing or repairing the Blu-ray drive.

What is an optical drive? Introducing the basics of optical drives, types and selection methods

One of the points to keep in mind when you purchase a personal computer is the presence or absence of an optical drive and its type. There are many different types of optical drives, and some of you may have difficulty to describe the differences. Therefore, this content introduces the basic knowledge of optical drives and the types of optical discs. How to choose an optical drive is also shown. We hope this content helps you choose your computer.

1. Types of optical discs
1-1.CD
1-2.DVD
1-3.BD (Blu-ray Disc)
2. Types of optical drives
2-1. DVD drive
2-2. Blu-ray disc drive
3. How to choose an optical drive
3-1. Which optical disc do you usually use?
3-2. Select by writing speed
3-3. How to choose an external optical drive
4. Conclusion Choose the optical drive you need with the right knowledge
There are still many opportunities to use optical drives for recording music CDs. Since both drives and discs have many standards and are difficult to understand, get the right knowledge of optical discs and drives to choose the drive you need.

What causes an SD card to be displayed as damaged?

SD cards are media used in many devices as external storage media for digital cameras, smartphones, and mobile phones. Many people are actually using SD cards. However, suddenly a message such as “SD card is damaged” may appear on the screen and the data inside the card may become completely unreadable. You may be in a panic when it contains important photos and videos. What should you do when such a situation occurs?
In this content, we introduces what to do if the screen of your smartphone or other device displays something like “SD card is damaged” and you cannot read the data. Remember some of the possible causes and how to recover your data so that you don’t have to worry about it in case of emergency.
Many people are using SD cards to store data on their smartphones and digital cameras. However, it is possible that the SD card is damaged suddenly. It is important to back up your data firmly by using cloud services provided by PC makers and mobile phone companies so that you will not be in a hurry even if you suddenly lose access to your data.

What is “ATA Password Lock” to prevent theft or loss of HDD / SSD or PC?

It is common for personal information and confidential company information to be stored on an HDD or SSD built into a personal computer. Therefore, if your computer is stolen or lost, important information may be extracted from the HDD or SDD. In case of theft or loss, it is important to take measures in advance so that the contents of the HDD or SSD cannot be seen by others. One method is “ATA password lock” introduced this content. However, since this ATA password lock is a very strong security feature, if you use it incorrectly, you may not be able to access your data yourself. Let’s learn how to use it correctly in this content.

1. ATA password lock that restricts reading and writing of an HDD / SSD itself
2. How to set and unlock ATA password lock
3. What if you forget or don’t know your password?
4. Conclusion
If you lock the ATA password, you no need to worry about your data being seen by others even if your computer or HDD or SSD is stolen or lost. However, since the data is recorded unencrypted, it is easy to see if the password is known. Also, if you forget the password, not only you lose the data, but you are not be able to use the HDD or SSD itself. Be careful.

What to do when an HDD shows “Parameter is incorrect”?

When you try to use an external HDD, SSD, and USB memory, and insert them into a USB port, you get an error saying “E: \ (drive) cannot be accessed. The parameter is incorrect” and they are not recognized. This error indicates that there is a problem with a drive, and if something goes wrong with something other than the main boot disk, such as an external drive, USB stick, or a second or more internal disk. If there is a problem with the main drive for booting, an OS itself will not boot. Let’s calmly deal with this situation by following the procedure introduced this content.

1. What is the cause of the error that “Parameter is incorrect” is displayed?
2. What to do if a message “Parameter is incorrect” appears while using an HDD
3. How to prevent “wrong parameter” error?
4. Conclusion
The “wrong parameter” error is one of the most difficult phenomena to repair related to optical discs, though it occurs relatively frequently. If you face this error, try the steps introduced here. However, if you are not confident that you can do it yourself, consult a specialist as soon as possible. If you want to surely rescue the data stored in HDD, SSD, and USB memory, asking the specialists are still safer. In addition, in order to prevent such errors and avoid data loss in an unlikely event, it is important to handle HDDs and SSDs according to the correct procedure and to make frequent backups. Be sure to back up important files to another location.

How can I retrieve data when an HDD or SSD is no longer recognized?

In some cases, when using a PC, it suddenly stops starting one day, or the startup stops halfway and you cannot proceed further. Such cases occur when an OS such as Windows is damaged, or when a part of an HDD or SSD is damaged and normal reading cannot be performed. The other cases, an external HDD or SSD cannot be read. In both cases, the data may be safe at the initial stage. If these happens, follow the steps below to retrieve your important data before it is lost.

1. An internal HDD / SSD
2. An external HDD / SSD
3. Conclusion
As you can see, how easily data can be retrieved from an HDD or SSD depends on whether it is physically damaged. If you are not confident that you can take it out yourself, consult with a store where you purchased it or a nearby PC shop. And since it takes time and effort to remove an HDD or SSD from the main unit or purchase parts to retrieve the data, it is still the best preventive method to keep a backup.
Not only HDDs and SSDs, but also DVDs and USB memories can be used. So it is important to copy your data to another medium anyway. One option is to use a cloud service that automatically makes backup online. HDDs and SSDs are consumables and no one can predict when they break. Always keep a backup in case of an accident.

What is the proper disposal method when a used PC or external HDD / SSD is no longer needed?

It is said that the life cycle of a PC today is three years. As the price of PCs drops rapidly, it may be common for manufacturers to design with a durability of about 3 years. For individual use, it may be used for a little longer though, for companies, it often takes about three years to replace it with a new model. If you buy a new PC, you may dispose of the old PC, however the PC has an internal HDD or SSD that contains your important data. If they are thrown away without data erase, they may be extracted by someone and may be misused. This content introduces how to properly dispose of used PCs, external HDDs, and SSDs.
1. How to properly dispose of a PC
2. What if you want to dispose of an external hard drive or an SSD
3. About HDD data erasure
4. Is it possible to reuse HDDs and SSDs?
5. Conclusion
Since various data is stored in either an HDD or SSD built into a used PC or an external HDD or SSD, it is not recommended to throw it away unnecessarily. Even if you erase the data on the surface, it may be restored by using special software or technology. Be sure to completely erase the data at your own risk. Or, if you cannot do it by yourself, ask a reliable specialist. Occasionally, you may try to puncture or destroy an HDD or SSD yourself with a hammer or drill, however since this is dangerous and may not lead to complete data erasure, it is not recommended.
For companies that process a large number of HDDs and SSDs in a year, using a device such as an HDD destroyer help you safely destroy them.

What to do if an HDD or an SSD does not boot?

One day, when you turn on your PC to work, you wonder why it does not start. In this case, there are several causes though, most of the time it is a temporary malfunction and may starts when you turn it on once again. Also, in reality, there are quite a lot of cases where an SD card, external HDD, and USB memory are left inserted and read before an HDD of the main unit. Depending on a settings of a PC, if they are inserted, they will be read preferentially, but of course they do not start because there is no OS such as Windows, and they stop with a black screen. (A few years ago, floppy disks were often left inserted in similar cases.) If these are the causes, you don’t have to rush because an HDD of the main body will start normally if you unplug everything inserted in the main body of the PC and turn on the power again. However, if these are not causes, but an HDD or SSD built into a PC does not boot, there is a little troublesome problem. This content explains such a case.

1. An internal HDD does not start! An internal SSD does not boot!
1-1. Case 1: When an OS such as Windows is damaged
1-2. Case 2: When an HDD or SSD is physically damaged
2. An external HDD does not boot
3. Conclusion
There are several reasons why an HDD and SSD do not boot, but as explained here, it is very difficult to rescue data due to corruption. An HDD and SSD have a limited lifespan, and it is not possible to know when they breaks, so it is important to keep a backup at all times. If you save the data in two or more places, such as the main unit and the external device, you can rest assured that the data will remain even if one of them breaks. Let’s make a backup of your data and photos so you don’t lose them.