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
...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 ...memory modules. 10. Abnormal Video 0 If the video appears abnormal, perform the following: 1. Refer to Disassembly Process. 3. Roll back the video driver to Online Support Information. 4-6 Troubleshooting NOTE: NOTE: Make sure that : The device is faulty and should be replaced. Boot the...
...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 ...memory modules. 10. Abnormal Video 0 If the video appears abnormal, perform the following: 1. Refer to Disassembly Process. 3. Roll back the video driver to Online Support Information. 4-6 Troubleshooting NOTE: NOTE: Make sure that : The device is faulty and should be replaced. Boot the...