Acer Aspire E1-421 Notebook Service Guide
Page 48
... including class-D speaker outputs Jack sense detects up to disable the bit in microphone from the BIOS. Exceeds Windows Vista and Windows 7 Desktop and Notebook Premium Logo Requirements, WLP4.0 D-Flex power management exceeds Intel ECR 15B requirements, and ... Features Amplifier Specification Conexant 20584 24-bit, 2 pairs of independent DACs and 3 pairs of independent ADCs ProCoustic headphone driver delivers 50 mW into 32 ohm load with no pop, eliminating the need for an external amplifier and DC-blocking capacitors Integrated ...
... including class-D speaker outputs Jack sense detects up to disable the bit in microphone from the BIOS. Exceeds Windows Vista and Windows 7 Desktop and Notebook Premium Logo Requirements, WLP4.0 D-Flex power management exceeds Intel ECR 15B requirements, and ... Features Amplifier Specification Conexant 20584 24-bit, 2 pairs of independent DACs and 3 pairs of independent ADCs ProCoustic headphone driver delivers 50 mW into 32 ohm load with no pop, eliminating the need for an external amplifier and DC-blocking capacitors Integrated ...
Acer Aspire E1-421 Notebook Service Guide
Page 170
.... If the display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. Roll back the video driver to LCD Picture Failure. 7. There are no red Xs or yellow exclamation marks There are no device conflicts No ... Process. 3. Refer to External Module Disassembly Process. display and the external display is by one by pressing Fn+F5. 6. Disconnect power and all Windows. If display size is only abnormal in an application, check the view settings and control/mouse wheel zoom feature in the application. ...
.... If the display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. Roll back the video driver to LCD Picture Failure. 7. There are no red Xs or yellow exclamation marks There are no device conflicts No ... Process. 3. Refer to External Module Disassembly Process. display and the external display is by one by pressing Fn+F5. 6. Disconnect power and all Windows. If display size is only abnormal in an application, check the view settings and control/mouse wheel zoom feature in the application. ...