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7 REASONS WHY HARD DRIVE CRASH.
1.Power Issues
2. Water Damage
3. Firmware Corruption
4. Hardware Failure
5. Human Error such as fall
6. Mishap such as accident
7. Heat

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MAINTENANCE TASK I MUST DO OFTEN ON MY COMPUTER
Computer maintenance means keeping your computers and laptops in good condition through regular cleanings, hard drive updates, and virus prevention. Doing so can lengthen the lifespan of your devices and it can also help you browse the web more safely.
Computers last five to eight years when maintained properly, but that lifespan can reduce quickly if a user doesn’t take steps to protect the computer. This is why computer maintenance is so important.
When you buy a laptop, you do so with the intent to use it over a long stretch of time. Unlike with phones, which tend to be upgraded every couple of years, some folks go years without swapping computers. And why would you? As the saying goes: “If it ain’t broke, don’t fix it.”
Some of the maintenance task include:
(1) Clean Up Your Computer
Clean up your computer physically as well. Doing this on a monthly basis will prevent dust from accumulating in the fan and other internal areas, which can slow down your computer. In addition, wipe the screen so that it’s clear.
(2) Avoid overheating your device
Set up your computer in an area of your office or home that gets good airflow, with two inches of empty space on either side. Giving your machine room to breathe helps prevent overheating, which extends the life of your device.
Stacks of paper and other items being placed on your computer can also make it overheat, so keep your desk area organized and free of clutter.
(3) Don’t overcharge your device
If you’re working off a laptop, it can be tempting to charge the battery all night. While doing so won’t damage the device, one of the best ways to maintain the battery over an extended period of time is to unplug it once it reaches 100%. You should also remove the battery altogether if you won’t be using the device for a month or more to help extend its shelf life.
(4) Keep food and drinks away
It can only take one can of soda to destroy a device. As tempting as enjoying a glass of coffee as you check your morning emails may be, always avoid eating or drinking near your computer to reduce spillage risk.
(5) Do an Antivirus Scan
Do a deep scan of your entire system at least once a month. A deep scan will go through your entire system and check for any hidden viruses or Trojan horses in your system files. You can do a quick scan more often. Also, update your antivirus software regularly.
(6) Defragment the hard drive
Defragging is the process of reorganizing the data on your hard drive to speed up file access. It breaks up a file into smaller bits on your device. While every computer is different, you can usually find Defragment functions under the System and Security tab, under Administrative tab in the Control Panel.
(7) Configure your startup
You should periodically check in on the applications that automatically run at start-up. These applications can slow down your computer. From Task Manager (Ctrl+Shift+Esc), you should be able to navigate to the Startup to control which applications run.
(8) Run disk cleanup
You can free up disk space on your hard drive by running a disk cleanup. This will clean out temporary files and extra language files as well as delete big attachments and more. From the windows tab, type "disk cleanup".
(9) Install major computer updates
To keep your applications running safely and efficiently you should check for major computer updates at least once a month. These updates can be critical for long-term health because they patch up critical security holes and remove unnecessary features. You may also be able to adjust your setting so updates happen automatically.
(10) Backup Your Data
It’s important to back up your data regularly. Ideally, you should do it regularly, depending on the importance of your files and how often you update them. This will let you recover your files in case your data gets lost to ransomware or for any other reason.
(11) Move similar files into folders
Keeping files on your desktop can slow down your machine. Instead, organize similar files into folders where you can easily find them. This will also help streamline the cleaning process when it comes time to delete unnecessary items.
(12) Power down or reboot your device regularly
While powering down your device every night isn’t a requirement with new computers, rebooting regularly does help refresh your system resources.
If you’re working off an older computer, you should power down your device properly every night to avoid overheating. If your device is newer, consider rebooting it once a day instead and turning it to sleep mode when it’s not in use.

KEYBOARD SHORTCUTS
BASIC KEYBOARD SHORTCUTS YOU MUST KNOW
In computing, a keyboard shortcut is a set of one or more keys that call upon a command in the computer software
They are alternate means for calling commands that would otherwise be accessible only through a menu, a mouse, or an aspect of the user interface.
These shortcuts can provide an easier and quicker method of using computer programs. These commands are commonly accessed by using the Alt key (on PC computers), command key (on Apple computers), Ctrl, and Shift in conjunction with another key.
As you begin to memorize shortcut keys, you'll notice that many applications share them.
Below are list of the most commonly used Keyboard shortcuts
1) Ctrl + A: SELECT all text
2) Ctrl + S: SAVE a document
3) Ctrl + O: OPEN existing document
4) Ctrl + N: create aNEW document
5) Ctrl + W: CLOSE a program
6) Ctrl + B: BOLD a selected text
7) Ctrl + I: Change selected text to ITALICS
8) Ctrl + U: UNDERLINE a selected text
9) Ctrl + F: open FIND window for current document or window
10) Ctrl + X: CUT a selected item
11) Ctrl + C: COPY a selected item
12) Ctrl + Insert: To COPY a selected item
13) Ctrl + V: PASTE
14) Shift + Insert: PASTE
15) Ctrl + Y: REDO last action
16) Ctrl + Z: UNDO last action
17) Ctrl + K: Insert HYPERLINK for a selected text
18) Ctrl + P: PRINT current page or document
19) Ctrl + Shift+ Esc: Open TASK MANAGER
20) Ctrl + Esc: Open START MENU
21) Windows + E: Open File Explorer
22) Windows + D: Hide or open the DESKTOP
23) Windows + R: Open the RUN menu
24) Windows + M: MINIMIZE all windows
25) Windows + L: LOCK Windows
26) F1: View HELP information
27) F2: RENAME a selected file
28) F5: REFRESH the current program
29) Alt + F4: CLOSE open apps
30) Alt+ Tab: SWITCH between open programs
31) Alt + F4: OPEN PROPERTIES of a selected item
32) Home: Go to the beginning of a line
33) Ctrl + Home: Go to the beginning of a document
34) End: Go to the end of a line
35) Ctrl + End: Go to the end of a document
36) Shift + Home: Highlight from current position to beginning of line
37) Shift + End: Highlight from current position to end of line
38) Ctrl + Left or Right Arrow: MOVE the cursor forward or back one word
39) Shift + Del: PERMANENTLY DELETE a selected item
40) Ctrl + Shift + N: Create a new folder

Compiled by Olajide Iyanu