Shortcuts & Saves
The magic undo: You accidentally deleted a whole paragraph of text you were typing in a document. This universal keyboard shortcut will instantly save your life and undo that mistake.
Ctrl + Z
App frozen: If a specific app freezes and stops responding on your device, open this menu to close just that one program without shutting down everything.
Task Manager or Force Quit menu
Short-term memory: This internal part of the computer acts as its temporary short-term memory, holding data that active apps are using right now.
RAM (Random Access Memory)
Liquid danger: If a student accidentally spills water on an external keyboard, this is the absolute very first action you must take to prevent a short circuit.
unplugging the keyboard immediately from the computer
This is the safest way to secure network or power cables running across a classroom walkway so people don't trip and fall.
covering them with a rubber cable protector ramp or taping them down securely
The copy command: This keyboard shortcut is commonly used to duplicate highlighted text or images without losing the original piece.
Ctrl + C
Ghostly audio: A teacher complains that no audio is coming from the projector speakers. Check these two basic software settings first before replacing hardware.
checking if the volume is muted and verifying the correct audio output source is selected
Output only: Out of keyboards, mice, microphones, and display screens, this piece of equipment is strictly considered an output device because it pushes information out to your eyes.
Monitor or Display Screen
Closing a Chromebook while a pencil, eraser, or headphones are sitting on the keyboard will usually result in this expensive disaster.
cracked LCD display screen
When lifting a heavy crate of Chromebooks or a large speaker box, you protect your back by doing this physical technique.
bending your knees, keeping your back straight, and lifting with your legs
After using the copy command, this universal shortcut drops that copied text right into your new document.
Ctrl + V
No wifi signal: A computer will not connect to the school network. Do these two basic software checks first instead of assuming the internal network card is fried.
checking if the Wi-Fi toggle is enabled and verifying the network password
Long-term storage: Unlike RAM, this hardware component holds onto your files, operating system, and games even when the computer is turned completely off.
Hard Drive or SSD
Stuck keys: A student complains their keyboard keys are sticky and won't press down easily. This safe tool can blow hidden crumbs out from underneath the plastic keys.
can of compressed air
When working in a dark backstage tech booth or theater environment, tech crew students should always carry this tool to prevent tripping over gear.
flashlight or headlamp
The quick cut: Unlike copying, this shortcut removes the text from its original spot completely, while still letting you paste it somewhere else.
Ctrl + X
Total screen blackout: A desktop computer monitor is completely black and won't turn on. The very first physical check you should do before calling for tech support.
checking if the power cable is plugged into the wall and securely attached to the back of the monitor
The brain: Known as the "brain" of the computer, this little square chip carries out all the commands and calculations for your software.
CPU (Central Processing Unit / Processor)
If you notice a Chromebook keyboard or trackpad bulging upward, it means this internal part is damaged and needs to be safely removed immediately.
swollen battery
When stacking cases of gear, tables, or tech boxes in a classroom or theater, you must always leave a clear path to these essential safety areas.
fire exits and doorways
Select all text: Instead of clicking and dragging your mouse across 50 pages of text, this shortcut highlights every single word on the screen instantly.
Ctrl + A
The ghost printer: A teacher sends 10 copies of a worksheet to a printer, but nothing prints out. Instead of hitting "Print" 10 more times, you should check this list on the computer to clear jammed jobs.
print queue
This large main circuit board acts like a backbone, allowing the CPU, RAM, and all other hardware parts to plug in and talk to each other.
Motherboard
A tech crew student gets caught in a downpour while carrying a school laptop back from an outdoor event. Before trying to turn it on to see if it works, they must do this.
leaving it powered completely off to dry out fully for at least 24 to 48 hours
Sitting hunched over a tech desk or Chromebook for hours can cause severe neck strain. To prevent this, you should adjust your chair so your eyes are level with this part of the monitor.
top third of the screen