Acer Aspire E1-421 Notebook Service Guide
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.... Indicates the computer's battery status. 1. Note: Push to remove/install the card. Charging: The light shows orange when the battery is charging. 2. 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 Only one...
.... Indicates the computer's battery status. 1. Note: Push to remove/install the card. Charging: The light shows orange when the battery is charging. 2. 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 Only one...
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: NOTE: Flash utility has auto execution function. 2-14 System Utilities NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used . Prepare a bootable USB HDD. 2. NOTE: NOTE: If a Crisis Recovery Disc is not available, create one before Flash utility ...
NOTE: NOTE: Flash utility has auto execution function. 2-14 System Utilities NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used . Prepare a bootable USB HDD. 2. NOTE: NOTE: If a Crisis Recovery Disc is not available, create one before Flash utility ...
Acer Aspire E1-421 Notebook Service Guide
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... location, the LCD is faulty and should be replaced. Adjust the brightness to Online Support Information. 4-6 Troubleshooting Roll back the video driver to Online Support Information. 8. There are no red Xs or yellow exclamation marks There are no device conflicts ... memory cards and CD/DVD discs. 8. Abnormal Video 0 If the video appears abnormal, perform the following: 1. Remove and reinstall the video driver. 6. If the POST or video appears on adjusting the settings. display and the external display is by one by pressing Fn+F5. 6. Disconnect...
... location, the LCD is faulty and should be replaced. Adjust the brightness to Online Support Information. 4-6 Troubleshooting Roll back the video driver to Online Support Information. 8. There are no red Xs or yellow exclamation marks There are no device conflicts ... memory cards and CD/DVD discs. 8. Abnormal Video 0 If the video appears abnormal, perform the following: 1. Remove and reinstall the video driver. 6. If the POST or video appears on adjusting the settings. display and the external display is by one by pressing Fn+F5. 6. Disconnect...
Acer Aspire E1-421 Notebook Service Guide
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...61472;Click the volume icon on the taskbar Drag the slider to 50. If updated recently, roll back the audio driver to Start Control Panel System and Maintenance System Device Manager. Internal Speaker Failure Sound Problems 0 ...Perform the following : Figure 4-6. Remove and reinstall the audio driver. 5. Make sure that : The device is properly installed There are no device conflicts No hardware...
...61472;Click the volume icon on the taskbar Drag the slider to 50. If updated recently, roll back the audio driver to Start Control Panel System and Maintenance System Device Manager. Internal Speaker Failure Sound Problems 0 ...Perform the following : Figure 4-6. Remove and reinstall the audio driver. 5. Make sure that : The device is properly installed There are no device conflicts No hardware...
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...