Extensa 4620Z / 4220 User's Guide EN
Page 13
xiii First things first We would like to thank you for making an Acer notebook your choice for meeting your computer can help you use Adobe Reader, access the Help and Support menu. The printed User's Guide introduces you ... on the computer, simply press and release the power button below the LCD screen beside the easy-launch buttons. Follow the instructions on your notebook. Basic care and tips for Starters... It is not installed on the screen to use your Acer notebook, we have designed a set of your notebook. Your guides To help...
xiii First things first We would like to thank you for making an Acer notebook your choice for meeting your computer can help you use Adobe Reader, access the Help and Support menu. The printed User's Guide introduces you ... on the computer, simply press and release the power button below the LCD screen beside the easy-launch buttons. Follow the instructions on your notebook. Basic care and tips for Starters... It is not installed on the screen to use your Acer notebook, we have designed a set of your notebook. Your guides To help...
Extensa 4620Z / 4220 User's Guide EN
Page 36
..." on page 26 for more details. 11 Power button Turns the computer on page 27 for a more details. 13 Empowering Launch Acer Empowering Technology key See "Productivity keys" on and off. 12 Productivity keys Three productivity keys give users one-touch access to protection ...and manageability features for more secure, smarter and easier way to work. 16 English # Item Description 3 Display screen Also called Liquid-Crystal Display (LCD), displays computer output. 4 Status indicators Light-Emitting Diodes (LEDs) that light up to show the status of the computer's...
..." on page 26 for more details. 11 Power button Turns the computer on page 27 for a more details. 13 Empowering Launch Acer Empowering Technology key See "Productivity keys" on and off. 12 Productivity keys Three productivity keys give users one-touch access to protection ...and manageability features for more secure, smarter and easier way to work. 16 English # Item Description 3 Display screen Also called Liquid-Crystal Display (LCD), displays computer output. 4 Status indicators Light-Emitting Diodes (LEDs) that light up to show the status of the computer's...
Extensa 4620Z / 4220 User's Guide EN
Page 96
... ergonomic specifications English Design viewing distance Design inclination angle Design azimuth angle Viewing direction range class Screen tilt angle Design screen illuminance Reflection class of LCD panel (positive and negative polarity) Image polarity Reference white: Pre-setting of luminance and color temperature @ 6500K (tested under ... 85.0° • Illuminance level: [250 + (250cosα)] lx where α = 85° • Color: Source D65 • Ordinary LCD: Class I • Protective or Acer CrystalBrite™ LCD: Class III Both • Yn • u'n • v'n Class II
... ergonomic specifications English Design viewing distance Design inclination angle Design azimuth angle Viewing direction range class Screen tilt angle Design screen illuminance Reflection class of LCD panel (positive and negative polarity) Image polarity Reference white: Pre-setting of luminance and color temperature @ 6500K (tested under ... 85.0° • Illuminance level: [250 + (250cosα)] lx where α = 85° • Color: Source D65 • Ordinary LCD: Class I • Protective or Acer CrystalBrite™ LCD: Class III Both • Yn • u'n • v'n Class II
TravelMate 4320/4720 and Extensa 4220/4620 Service Guide
Page 14
... manageability features for sound recording. For entering data into your computer. Also called Liquid-Crystal Display (LCD), displays computer output. Three productivity keys give users one-touch access to work. Front View # Item 1 Acer CrystalEye 2 Microphone 3 Display screen 4 Status indicators 5 Keyboard 6 Palmrest 7 Touchpad 8 Click buttons (left and right buttons function like a computer mouse...
... manageability features for sound recording. For entering data into your computer. Also called Liquid-Crystal Display (LCD), displays computer output. Three productivity keys give users one-touch access to work. Front View # Item 1 Acer CrystalEye 2 Microphone 3 Display screen 4 Status indicators 5 Keyboard 6 Palmrest 7 Touchpad 8 Click buttons (left and right buttons function like a computer mouse...
TravelMate 4320/4720 and Extensa 4220/4620 Service Guide
Page 73
7. See "Removing the Lower Cover" on page 51. 2. Chapter 3 63 See "Removing the Battery Pack" on page 53. 5. Open the LCD screen all the way to release the CPU, then remove the CPU. See "Removing the SD Dummy Card" on page 52. 4. See "Removing the Express Dummy ...
7. See "Removing the Lower Cover" on page 51. 2. Chapter 3 63 See "Removing the Battery Pack" on page 53. 5. Open the LCD screen all the way to release the CPU, then remove the CPU. See "Removing the SD Dummy Card" on page 52. 4. See "Removing the Express Dummy ...
TravelMate 4320/4720 and Extensa 4220/4620 Service Guide
Page 114
.... See "Power System Check" on . Keyboard (if contrast and brightness function key doesn't work LCD is too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Unreadable LCD screen Missing pels in Sequence Reconnect the inverter board Inverter board Mainboard Power-Related Symptoms Symptom / Error Power shuts down during operation The system doesn...
.... See "Power System Check" on . Keyboard (if contrast and brightness function key doesn't work LCD is too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Unreadable LCD screen Missing pels in Sequence Reconnect the inverter board Inverter board Mainboard Power-Related Symptoms Symptom / Error Power shuts down during operation The system doesn...