Acer Aspire E1-421 Notebook Service Guide
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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 Closed Front ...
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 Closed Front ...
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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...: NOTE: Flash utility has auto execution function. 2-14 System Utilities Use the Flash utility to bootable USB HDD. 3. NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used . Boot system from bootable USB HDD. BIOS Flash Utilities 0 BIOS Flash memory updates are required for the following...
...: NOTE: Flash utility has auto execution function. 2-14 System Utilities Use the Flash utility to bootable USB HDD. 3. NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used . Boot system from bootable USB HDD. BIOS Flash Utilities 0 BIOS Flash memory updates are required for the following...
Acer Aspire E1-421 Notebook Service Guide
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... the 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. Check the Device Manager to determine that the computer is not running on battery alone as this may reduce...device conflicts No hardware is faulty and should be replaced. Refer to Online Support Information. 4-6 Troubleshooting Remove and reinstall the video driver. 6. If the issue is discovered. 9. Abnormal Video 0 If the video appears abnormal, perform the following: 1. If the POST or video appears...
... the 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. Check the Device Manager to determine that the computer is not running on battery alone as this may reduce...device conflicts No hardware is faulty and should be replaced. Refer to Online Support Information. 4-6 Troubleshooting Remove and reinstall the video driver. 6. If the issue is discovered. 9. Abnormal Video 0 If the video appears abnormal, perform the following: 1. If the POST or video appears...
Acer Aspire E1-421 Notebook Service Guide
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... 0 If internal Speakers fail, perform the following , one at a time. 1. Boot the computer. 2. Navigate to the previous version. 4. If updated recently, roll back the audio driver to Start Control Panel System and Maintenance System Device Manager. Check the Device Manager to determine that: The device...;Click the volume icon on the taskbar Drag the slider to 50 and not muted. 4-10 Troubleshooting Remove and reinstall the audio driver. 5.
... 0 If internal Speakers fail, perform the following , one at a time. 1. Boot the computer. 2. Navigate to the previous version. 4. If updated recently, roll back the audio driver to Start Control Panel System and Maintenance System Device Manager. Check the Device Manager to determine that: The device...;Click the volume icon on the taskbar Drag the slider to 50 and not muted. 4-10 Troubleshooting Remove and reinstall the audio driver. 5.
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...