大多数 笔记本电脑需要使用功能键来激活或解除笔记本的视频信号输出。由于大多数笔记本的激活或解除是以拨动开关的形式来切换：重复按切换键来显示笔记本上的画面 和投影仪上的画面，或者让两者同时都显示。但如果投影仪上的默认分辨率不能匹配笔记本上 LCD 显示的分辨率，同时显示画面将不能实现。某些笔记本还将需要关机再启动，来实现和投影仪的最佳匹配。
下面的表格列出了各笔记本厂家及型号所设置的视频切换键
| 笔记本品牌 | 型号 | 切换视频的执行键 | |
|---|---|---|---|
| Acer | Note 350, 750, 760, 780, 950 | Ctrl-Alt-ESC while computer boots activates the setup menu; system config; advanced sys config; display device; LCD/CRT | |
| Note 971 | FN + F5 | ||
| AST | Ascentia, Ascentia A series, PowerExec, 9xxN | FN + F5 | |
| Ascentia J Series | FN + F3 | ||
| Ascentia P Series, Bravo, 800N, B5N | FN + F12 | ||
| Premium | FN + D | ||
| Altima | All | Shift-Ctrl-Alt-C | |
| Ambra | All | Ctrl-Alt-Esc for set-up screenFN + F2FN + F5 | |
| Amrel | All | Set-up screenShift-Ctrl-D | |
| AMS | Power CD | FN + F2 | |
| AMT | NP-743D | Set-up (Advanced) Screen Display Select CRT or LCD | |
| AT&T | 3181, Globalyst 250 | FN + F3 | |
| Clobalyst 200, Globalyst 3150 Safari | FN + F6 | ||
| Austin | All | Ctrl-Alt-CommaFN + F12 | |
| Award | Modular Notebook | FN + F6 | |
| Computer | Model | Key Command to Activate/Deactivate Port | |
| Bondwell | All | reboot for LCD or CRT options to appear | |
| Canon | BTO | FN + F6 | |
| Innova 386NX | Setup Menu Option | ||
| Innova Book 360CD, 490CDS | FN + F7 | ||
| NoteJet 3CX | Change CMOS to CRT | ||
| Chaplet | All | Select from set-up screenFN + F6FN + F4 | |
| Chembook | All | FN + F6 | |
| Chicony | All | Ctrl-Alt-EscAutomatic | |
| All | Ctrl-alt-#6FN + F7FN + F4 | ||
| Compaq | Armada, LTE, Contura | FN + F4 | |
| Presario | FN + F2 | ||
| Other | Automatic, Ctrl-Alt< | ||
| CompuAdd | NBE 780 | FN + F3 Set-up select DisplayLCD/CRT | |
| Other | Automatic | ||
| Compudyne | Laptop | Ctrl-Shift-D or set-up screen | |
| N386SXE | FN + F8 | ||
| Data General | All | Ctrl-Alt-Command | |
| Data View | All | Ctrl-Shift-M | |
| DEC | HiNote | FN + F4 | |
| 425 SL | FN + F5 | ||
| Other | Automatic | ||
| Dell | Latitude, CP-Inspiron | FN + F8FN + F12 | |
| Other | Ctrl-Alt-<FN + D | ||
| Dolch | All | Set Switch to CRT before boot-up | |
| 笔 记本品牌 | 型 号 | 切换视频的执行 键 | |
| Epson | 650C Set | Switch to CRT | |
| Other | FN + F12 | ||
| EPS Technologies | L166MMX, MP-975A | FN + F4 | |
| Everex | All | Select from set-up screen | |
| Other | FN + F10 | ||
| Fujitsu | Lifebook | FN + F10 | |
| Gateway | Solo, Liberty | FN + F3 | |
| Colorbook | FN + F1 | ||
| Colorbook 2 | Option in CMOS setup | ||
| Grid | All | Ctrl-Alt-TabFN + F2 | |
| Hitachi | M120T/1000, M100D | FN + F7 | |
| E100D/810 | FN + F8 | ||
| Hyundai | All | Set-up screen option | |
| Hewlett Packard | All | HP notebook PCs FN + F5 | |
| IBM | Thinkpad 310, 36x, 380, 701, 75X, 760, 560, 770 | FN + F7 | |
| Thinkpad 350, PS/Note 425C | FN +F1 for setup | ||
| LX40 Setup | LCD to CRT | ||
| Thinkpad 700 | Ctrl-LT-S | ||
| Infotel | Ultra | FN + F12 | |
| Jetbook | All | FN + F6FN + F12 | |
| Kaypro | All | Boot with monitor con | |
| Kris Tech | All | FN + F8 | |
| Macintosh | PowerBook 3400 | Select Monitor Icon on PowerBookControl Strip, Select Resolution to match display device (e.g. 800x600 Sinulscan for simultaneous display on PowerBook and on projector) | |
| PowerBook 1400 | Requires Optional Video Card. Select Monitor Icon on PowerBook Control Strip, Select Resolution to match display device (e.g. 800x600 Simulscan for simultaneous display on PowerBook and on projector) | ||
| PowerBook 160, 165, 180, 520, 540, 5300 | Control Panel Folder, PowerBook Display folder, Activate Video Mirroring, warm reboot.Or (if display problems occur w/mirroring) Control Panel folder, Monitors, switch primary display by dragging white menu bar to monitor 2 | ||
| PowerBook 140, 145, 150, 170 | No Video Port. Requires 3rd party interface | ||
| Portable 100 | Not Compatible | ||
| Magitronic | All | FN + F4 | |
| Mastersport | All | FN + F2 | |
| Micron Millenia, | Transport | FN + F2FN + F12 | |
| Midwest Micro | Elite | FN + F11 | |
| Mitsubishi | All | SW2 On Off Off Off to activateSW2 Off On On On to de-activate | |
| Computer | Model | Key Command to Activate/Deactivate Port | |
| NCR | All | Set-up screen option | |
| NEC | Versa 2000, 4000 series, 5000 series, 6000 series, M, P, V, MX series, Ultralite | FN + F3 | |
| Versa 2400 | FN + F10 | ||
| Versa S | FN + F2 | ||
| Other | Select ';Active'; from set-up | ||
| Parkard Bell | All | FN + F10FN + F2 | |
| Panasonic | All | FN + F2Panasonic set-up program | |
| ProStar | 5200, 6200, 12000 | FN + F6 | |
| Other | Ctrl-Alt-S at startup | ||
| Sager | All | FN + F6 | |
| NP8600 | FN + F9 | ||
| Sampo | All | CTRL-ALT SHIFT C | |
| Samsung | 810 | FN + F4 | |
| 55200 | Set-up screen option | ||
| Pro 500 | FN +F5 Pro 800, | ||
| Sens 700 | FN + F6 | ||
| Sanyo | All | Set-up screen option | |
| Sharp | All | FN + F5 | |
| Sotec | PC3020, PC9000, PC9020 | FN +F5 | |
| Other | FN +F1 | ||
| Tandy | All | Ctrl-Alt-Insert | |
| Tangent | All | FN + F5 | |
| Texas Instruments | 370, 390, Travelmate 7000, Extensa 36x | FN + F2FN + F3 | |
| Travelmate 2000 | Switch CRT On | ||
| Travelmate LT286/45 | Press SETUP key on keyboard | ||
| 3000 | Type ALTVID at DOS Prompt | ||
| 4000 | Ctrl-Alt-Setup | ||
| 4000M and 4000E | FN + Setup at DOS prompt - Screen Display = BOTH | ||
| 5000 | Ctrl-Alt-Esc | ||
| 5100/5200 | Win95 Control Panel, TI SETUP, System Config, Display device, LCD/CRT/both. Win 3.1 Travelmate n/b Setup, TI SETUP, System Config, Display device, LCD/CRT/both | ||
| 6020, 6030, 6050, | Extensa 600CD, 650CDT FN + F12 | ||
| Extensa 5xx/6xx Series | FN + F10 | ||
| Other | FN + F5 | ||
| Top-Link | All | Set-up Screen optionFN + F6 | |
| Toshiba | 1000, 1200, 1600, 3100E, 3200 | FN + End | |
| 1100 | Ctrl-Alt-End | ||
| 1850 | Reboot | ||
| T1910 Satellite | Automatic, no simultaneous display | ||
| T1950CT, T1960CT | type TSetup at DOS prompt Select display location int/ext/both (internal, external, or both displays) | ||
| 105CS, 110CT, 115CS, 200CDS, 400, 410, 415, 420, 430, 500CDT, 610, 650CT 2100CT, 2105CT, 2130CS, 2150CS, 2150CDT, 2150CT, 2400CS, 2400CT, 2450CT, 3600DT, 4500, 4700, 4800, 4850, 4900, Tecra 700CDT, 720CDT, 730CDT | FN + F5 | ||
| 3100 | Ctrl-Alt-End | ||
| 3100E, 3200 | FN + ENd | ||
| 3100SX, 3200SX | N/A PORT ACTIVE | ||
| 3400 | Needs SCSI Adapter for ext. video | ||
| 4400sx | N/A PORT ACTIVE | ||
| 5100 | Ctrl-Alt-End | ||
| 5100/100, 5200, 5200/100 | N/A PORT ACTIVE | ||
| 610CT | Needs SCSI adapter for ext. video | ||
| Twinhead | Slimnote 5100T, 9133CX | FN + F5 | |
| Slimnote 8xx Series | FN + F5 | ||
| US Logic | All | FN + F8 | |
| Winbook | XP, XP5 | FN + F6 (sinul) FN + F10 (int/ext) | |
| XP5 Pro, | FX FN + F12 | ||
| XL | FN + F2 | ||
| LM | FN + F8 | ||
| Wyse | All | Software Driven | |
| Zenith | Z-Noteflex, Z-StarEX | FN +F10 | |
| Z-NoteGT | FN + F7 | ||
| Zeos | 486 | CTRL-SHIFT D | |
| 486 Meridian | FN + F1 | ||