Acer Aspire E1-421 Notebook Service Guide
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Note: Push to remove/install the card. Indicates the computer's battery status. 1. Only one card can operate at any given time. Indicates the hard driver or card reader's activity of read/write operations Indicates the computer's wireless (3G/Wi-Fi) connectivity device status. 1-12 Hardware Specifications and Configurations Charging: The ...
Note: Push to remove/install the card. Indicates the computer's battery status. 1. Only one card can operate at any given time. Indicates the hard driver or card reader's activity of read/write operations Indicates the computer's wireless (3G/Wi-Fi) connectivity device status. 1-12 Hardware Specifications and Configurations Charging: The ...
Acer Aspire E1-421 Notebook Service Guide
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... and Amplifier Item Audio Controller 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 5 V to 3.3 V low...
... and Amplifier Item Audio Controller 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 5 V to 3.3 V low...
Acer Aspire E1-421 Notebook Service Guide
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... becomes corrupted. NOTE: NOTE: If a Crisis Recovery Disc is not available, create one before Flash utility is used . NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used . Prepare a bootable USB HDD. 2. BIOS Flash Utilities 0 BIOS Flash memory updates are required for the following to run...
... becomes corrupted. NOTE: NOTE: If a Crisis Recovery Disc is not available, create one before Flash utility is used . NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used . Prepare a bootable USB HDD. 2. BIOS Flash Utilities 0 BIOS Flash memory updates are required for the following to run...
Acer Aspire E1-421 Notebook Service Guide
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... video appears abnormal, perform the following: 1. Refer to LCD Picture Failure. 7. Refer to Online Support Information. 8. Remove and reinstall the video driver. 6. If the Issue is still not resolved, refer to Disassembly Process. 3. If the Issue is not normal, right-click on the external... display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. Roll back the video driver to Online Support Information. 4-6 Troubleshooting Refer to External Module Disassembly Process). 11. Check the Device Manager to Disassembly Process. ...
... video appears abnormal, perform the following: 1. Refer to LCD Picture Failure. 7. Refer to Online Support Information. 8. Remove and reinstall the video driver. 6. If the Issue is still not resolved, refer to Disassembly Process. 3. If the Issue is not normal, right-click on the external... display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. Roll back the video driver to Online Support Information. 4-6 Troubleshooting Refer to External Module Disassembly Process). 11. Check the Device Manager to Disassembly Process. ...
Acer Aspire E1-421 Notebook Service Guide
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Navigate to the previous version. 4. Remove and reinstall the audio driver. 5. Make sure that other audio applications are set mid range: Click the volume icon on the taskbar Drag the slider to ...;There are set to 50. Internal Speaker Failure 0 If internal Speakers fail, perform the following , one at a time. 1. If updated recently, roll back the audio driver to Start Control Panel System and Maintenance System Device Manager. Boot the computer. 2. Internal Speaker Failure Sound Problems 0 Perform the following...
Navigate to the previous version. 4. Remove and reinstall the audio driver. 5. Make sure that other audio applications are set mid range: Click the volume icon on the taskbar Drag the slider to ...;There are set to 50. Internal Speaker Failure 0 If internal Speakers fail, perform the following , one at a time. 1. If updated recently, roll back the audio driver to Start Control Panel System and Maintenance System Device Manager. Boot the computer. 2. Internal Speaker Failure Sound Problems 0 Perform the following...
Acer Aspire E1-421 Notebook Service Guide
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...2F BDS 30 BDS 31 BDS 32 BDS_LEGACY_BOOT_EVENT BDS 33 Description USB host controller initialization USB BUS driver initialization USB device driver initialization Console device initial fail Display logo or system information IDE controller initialization SATA controller initialization SIO controller... initialization ISA BUS driver initialization Floppy device initialization Serial device initialization IDE device initialization AHCI device initialization Dispatch option ROMs Get...
...2F BDS 30 BDS 31 BDS 32 BDS_LEGACY_BOOT_EVENT BDS 33 Description USB host controller initialization USB BUS driver initialization USB device driver initialization Console device initial fail Display logo or system information IDE controller initialization SATA controller initialization SIO controller... initialization ISA BUS driver initialization Floppy device initialization Serial device initialization IDE device initialization AHCI device initialization Dispatch option ROMs Get...