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Laptop Display Shortcuts

Most laptop computers require a function key or software command to activate/deactivate the laptop video output signal. The chart below lists the video activation commands for common laptop manufacturers. Many manufacturers use different commands for different models. If none of the commands for your brand listed do not work, consult with the manufacturer for the proper command.

With most laptops, the activation/deactivation command acts as a toggle switch: repeat the command to display the image on the internal laptop display, the external display (projector) or both displays simultaneously. In some cases, the simultaneous display setting will not work properly if the native resolution of the projector does not match the native resolution of the laptop LCD display. This means that the internal display of some laptops will need to be turned OFF to achieve optimal image quality on the projector.

Computer Key Command to Activate Port
Acer
  • Ctrl-Alt-ESC while computer boots activates the setup menu; system config; advanced sys config; display device; LCD/CRT
  • FN + F5
Advanced Logic Research
  • Ctrl + Alt + V
Altima
  • Shift + Ctrl + Alt + C
  • Set-up Conf.Simulscan
Ambra
  • Ctrl + Alt + Esc for set-up screen
  • FN + F2
  • FN + F5
  • F2; choose option; F5
Amrel
  • Set-up screen
  • Shift + Ctrl + D
  • FN + F6
AMT
  • Set-up; (Advanced) Screen Display; Select CRT
Apple
  • Select Monitor Icon on Control Strip; Select Resolution to match display device
  • Control Panel folder; Display folder; Activate Video Mirroring; warm reboot
  • Control Panel folder; Monitors; switch primary display by dragging white menu bar to Monitor 2
  • Many Macintosh computers are not compatible and have no external video port; in these cases there sometimes is a third party device available
Aspen
  • Automatic
AST
  • FN + F5
  • FN + F3
  • FN + F12
  • FN + D
  • Ctrl + D
  • Ctrl + FN + D
AT&T
  • FN + F3
  • FN + F6
Austin
  • Ctrl + Alt + Comma
  • FN + F12
Award
  • FN + F6
BCC
  • Reboot the computer
Bondwell
  • Reboot for LCD/CRT options to appear
Canon
  • FN + F6
  • Set-up menu
  • FN + F7
  • Change set-up to CRT
Chaplet
  • Select from set-up screen
  • FN + F6
  • FN + F4
Chembook
  • FN + F6
Chicony
  • Ctrl + Alt + Esc
  • Automatic
Commax
  • Ctrl + Alt + # 6
  • FN + F7
  • FN + F6
Compaq
  • FN + F4
  • FN + F2
  • Automatic
  • Ctrl + Alt + <
CompuAdd
  • FN + F3 Set-up select Display LCD/CRT
  • Alt + F for screen set-up option
  • Automatic
Compudyne
  • Ctrl + Shift + D
  • Set-up screen
  • FN + F8
Data General
  • Ctrl + Alt + Command
  • 2 CRT/X at DOS prompt
Data View
  • Ctrl + Shift + M
DataVue
  • Ctrl + Shift + M
DEC
  • FN + F4
  • FN + F5
  • Automatic
Dell
  • FN + F8
  • FN + F12
  • Ctrl + Alt + <
  • FN + D
  • Ctrl + Alt + F10
Digital
  • Automatic
  • FN + F2
Dolch
  • Set dip switch to CRT before boot-up
EPS Technologies
  • FN + F4
Epson
  • Set dip switch to CRT before boot-up
  • FN + F12
Everex
  • Select from set-up screen
  • FN + F10
  • Ctrl + Alt + Shift + C
Fujitsu
  • FN + F10
Gateway
  • FN + F3
  • FN + F1
  • Option in set-up
Grid
  • Ctrl + Alt + Tab
  • FN + F2
Hewlett Packard
  • FN + F5
  • FN + F12
Hitachi
  • FN + F7
  • FN + F8
Honeywell
  • FN + F10
Hyundai
  • Set-up screen option
IBM
  • FN + F7
  • FN + F1 for set-up
  • Set-up LCD to CRT
  • Ctrl + Alt + S
  • Automatic
  • FN + F2
Infotel
  • FN + F12
Jetbook
  • FN + F6
  • FN + F12
Kaypro
  • Automatic
Kris Tech
  • FN + F8
Leading Edge
  • FN + T
Macintosh
  • Select Monitor Icon on Control Strip; Select Resolution to match display device
  • Control Panel folder; Display folder; Activate Video Mirroring; warm reboot
  • Control Panel folder; Monitors; switch primary display by dragging white menu bar to Monitor 2
  • Many Macintosh computers are not compatible and have no external video port; in these cases there sometimes is a third party device available
Magitronic
  • FN + F4
Mastersport
  • FN + F2
Micro Express
  • Automatic
Micron
  • FN + F2
  • FN + F12
Microslate
  • Automatic
Midwest Micro
  • FN + F11
Mitsubishi
  • SW2 On-Off-Off-Off
NCR
  • Set-up screen option
NEC
  • FN + F3
  • FN + F10
  • FN + F2
  • Select "Active" from set-up
  • CRT at the DOS prompt
Olivetti
  • Automatic
  • FN + O
  • FN + Asterisk
Packard Bell
  • FN + F10
  • FN + F2
  • Ctrl + Alt + <
Panasonic
  • FN + F2
  • Set-up option
ProStar
  • FN + F6
  • Ctrl + Alt + S at startup
Sager
  • FN + F6
  • FN + F9
Sampo
  • CTRL + ALT + SHIFT + C
Samsung
  • FN + F4
  • Set-up screen option
  • FN + F5
  • FN + F6
Sanyo
  • Set-up screen option
Sharp
  • FN + F5
  • Set dip switch to CRT
Sotec
  • FN + F5
  • FN + F1
Sun
  • Ctrl + Shift + M
Tandy
  • Ctrl + Alt + Insert
  • Set-up option
Tangent
  • FN + F5
Texas Instruments
  • FN + F2
  • FN + F3
  • Switch CRT On
  • Press SETUP key on keyboard
  • Type ALTVID at DOS prompt
  • Ctrl + Alt + Setup
  • FN + Setup at DOS prompt - Screen Display = BOTH
  • Ctrl-Alt-Esc
  • Win95 Control Panel; TI SETUP; System Config; Display device; LCD/CRT/both
  • Win3.1 Travelmate Set-up; TI SETUP; System Config; Display device; LCD/CRT/Both
  • FN + F12
  • FN + F10
  • FN + F5
Top-Link
  • Set-up option
  • FN + F6
Toshiba
  • FN + End
  • Ctrl-Alt-End
  • Automatic
  • Type TSetup at DOS prompt; select display location int/ext/both
  • FN + F5
  • Ctrl + Alt + End
  • FN + End
  • Ctrl + Alt + End
  • Set-up option
Twinhead
  • FN + F7
  • FN + F5
  • Automatic
US Logic
  • FN + F8
Winbook
  • FN + F6 (simul); FN + F10 (int/ext)
  • Ctrl + Alt + F10
  • FN + F12
  • FN + F2
Wyse
  • Automatic
Zenith
  • FN + F10
  • FN + F7
  • FN + F2
  • FN + F1
Zeos
  • Ctrl + Shift + D
  • FN + F1