Storage Devices
Troubleshooting
Data Safety
RAID Configurations
POST Codes
100

This type of storage device has the fastest data access speed and uses flash memory.

What is an SSD?

100

You get a “Fixed Disk Error” at boot. The first thing to check is the connections to this hardware component.

What is the hard drive?

100

This term refers to creating copies of data to protect against data loss.

What is backing up?

100

RAID 0 is also called this because it spreads data across multiple drives without redundancy.

What is striping?

100

POST stands for this and happens every time the computer is turned on.

What is Power-On Self-Test?

200

This older type of storage device uses magnetic disks to read and write data.

What is an HDD?

200

This simple reset process involves unplugging the computer and holding down the power button for 30 seconds.

What is a power cycle or hard reset?

200

Removing a flash drive without this process can lead to data corruption.

What is ejecting properly?

200

RAID 1 duplicates data on two drives, providing this benefit.

What is redundancy?

200

This error code, a single beep, usually means this hardware component passed its basic test.

What is RAM?

300

NVMe SSDs connect to this type of interface for faster data transfer than SATA SSDs.

What is PCIe?

300

If you hear a loud clicking noise coming from your hard drive, it may indicate this.

What is a failing hard drive?

300

This type of storage can survive a computer crash without losing data.

What is non-volatile memory?

300

This type of RAID combines both striping and mirroring for increased speed and redundancy.

What is RAID 10?

300

A continuous beeping sound during POST often indicates this problem with a specific component.

What is a memory (RAM) issue?

400

This type of SSD is larger than M.2 but smaller than 2.5-inch SSDs and connects via a mini-SATA interface

What is mSATA?

400

If a computer doesn’t start and shows no signs of power, the issue may be due to this component.

What is the power supply?

400

To protect against unauthorized access, it is advised to use this on data storage devices.

What is encryption?

400

A minimum of three drives is needed for this type of RAID, which uses parity for data recovery.

What is RAID 5?

400

If you see error code 5 beeps during POST, it usually means there’s an issue with this component.

What is the CPU?

500

These types of drives are commonly used for long-term backup storage due to their high durability

What are tape drives?

500

During boot, if you see an error saying "No bootable device found," this component might not be set properly.

What is the boot drive order in BIOS?

500

RAID 1 is often used for data safety because it does this to data.

What is mirroring?

500

This RAID level uses two parity drives, requiring at least four drives for extra redundancy.

What is RAID 6?

500

This series of beeps in POST indicates a failure in the system’s video or graphics card.

What is one long beep followed by two short beeps?