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... ports Configure between Headphone and Line-out or between Mic and Line-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... ports Configure between Headphone and Line-out or between Mic and Line-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...
Acer Aspire E1-421 Notebook Service Guide
Page 170
...Refer to LCD Picture Failure. 7. Refer to the desired resolution. Click Apply and check the display. Roll back the video driver to Online Support Information. 8. If the computer boots correctly, add the devices one until the failure point is discovered. 9. If the ... display resolution is correctly configured: Minimize or close all external devices including port replicators or docking stations. Run the Windows Memory Diagnostic from the operating system DVD and follow the on adjusting the settings. display and the external display is by one...
...Refer to LCD Picture Failure. 7. Refer to the desired resolution. Click Apply and check the display. Roll back the video driver to Online Support Information. 8. If the computer boots correctly, add the devices one until the failure point is discovered. 9. If the ... display resolution is correctly configured: Minimize or close all external devices including port replicators or docking stations. Run the Windows Memory Diagnostic from the operating system DVD and follow the on adjusting the settings. display and the external display is by one...