Acer Aspire E1-421 Notebook Service Guide
Page 48
... 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 ...-D speaker outputs Jack sense detects up to 24-bit, 192 kHz for DACs, and 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...
... 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 ...-D speaker outputs Jack sense detects up to 24-bit, 192 kHz for DACs, and 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...
Acer Aspire E1-421 Notebook Service Guide
Page 170
...the video appears abnormal, perform the following: 1. Adjust the brightness to the previous version if updated. 5. Remove and reinstall the video driver. 6. Run the Windows Memory Diagnostic from the operating system DVD and follow the on the external display only, refer to LCD Picture Failure. 7. Roll back... the video driver to its highest level. display and the external display is listed under Other Devices 7. Refer to the ...
...the video appears abnormal, perform the following: 1. Adjust the brightness to the previous version if updated. 5. Remove and reinstall the video driver. 6. Run the Windows Memory Diagnostic from the operating system DVD and follow the on the external display only, refer to LCD Picture Failure. 7. Roll back... the video driver to its highest level. display and the external display is listed under Other Devices 7. Refer to the ...