Acer Aspire 7250 Support Question
Acer Aspire 7250 Support Question
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Question posted by pfranbw16 on December 23rd, 2013
How To Restore Sound To My Aspire 7250
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Related Acer Aspire 7250 Manual Pages
Acer Aspire 7250 Service Guide - Page 2
...:
0
Secure Digital™ (SD™) Card, MultiMediaCard™ (MMC)
Audio Subsystem
0
Realtek ALC271X-VB3-GR
High-definition audio support
Two built-in stereo speaker
MS-Sound compatible
Built-in microphone
Optical Media Drive
0
8X DVD Super-Multi double-layer drive:
Read: 24X CD-ROM, 24X CD-R, 24X CD-RW, 8X DVD...
Acer Aspire 7250 Service Guide - Page 7
Top View
No
Icon
Item
1
Microphone
2
Display screen
3
Speakers
4
Power button
5
Keyboard
6
Touchpad
Description Internal microphone for sound recording. Notebook Tour
0
This section provides an overview of the features and functions of the notebook. Top View
0
Figure 1-1. Also called Liquid-Crystal Display (LCD), ...
Acer Aspire 7250 Service Guide - Page 41
The function allows the user to create a hidden partition on hard disc drive to store operation system and restore the system to factory defaults. Enabled or Disabled
F12 Boot Menu
Enables, disables Boot Menu during system boot instead of the traditional POST screen that ...
Acer Aspire 7250 Service Guide - Page 48
... does not contain power to update the system BIOS Flash ROM.
Use the Flash utility to finish loading of system programs
New features or options
Restore a BIOS when it becomes corrupted.
Copy the Flash utilities to the bootable diskette. 3.
NOTE: NOTE:
The Flash utility has auto execution function.
2-14
System Utilities...
Acer Aspire 7250 Service Guide - Page 134
... the slider to verify that the volume is properly installed
There are no device conflicts
No hardware is listed under Other Devices 3. Internal Speaker Failure
Sound Problems
0
Perform the following , one at a time. Check the Device Manager to determine that all volume controls are set to MB
Check I/O Board Connection
NG...
Acer Aspire 7250 Service Guide - Page 135
...NOTE:
If Speakers do not function correctly, the mother board may be defective or damaged.
13.
Restore system and file settings from a known good date using System Restore.
10. Troubleshooting
4-11 Follow the on the Playback tab and select Show Disabled Devices (clear by... Support Information. Select Speakers and click Configure to Startu Control Panelu Hardware and Soundu Sound.
Acer Aspire 7250 Service Guide - Page 136
... the on the microphone and select Enable. 4. If the Issue is enabled.
Select Set up microphone. Start
Check Mic to Start-> Control Panel->Hardware and Sound-> Sound and select the Recording tab.
2. Microphone Failure
1. Right click on -screen prompts to MB
Check Mic module?
Right click on the Recording tab.
3. Select the...
Acer Aspire 7250 Service Guide - Page 149
...
S3_MEMORY_CALLBACK
PEI
C3
Set cache for physical
memory during S3 resume
S3_ENTER_S3_RESUME_PEIM
PEI
C4 Start to restore system
configuration
S3_BEFORE_ACPI_BOOT_SCRIPT
PEI C5
Restore system configuration stage1
S3_BEFORE_RUNTIME_BOOT_SCRIPT
PEI
C6
Restore system
configuration stage2
S3_BEFORE_RELOCATE_SMM_BASE
PEI
C7 Relocate SMM BASE
during S3 resume
Troubleshooting
4-25...
Acer Aspire 7250 Service Guide - Page 150
...Phase
Post Code
Description
S3_BEFORE_MP_INIT
PEI
C8
Multi-processor initial
during S3 resume
S3_BEFORE_RESTORE_ACPI_CALLBACK PEI C9
Start to restore system configuration in SMM
S3_AFTER_RESTORE_ACPI_CALLBACK
PEI CA Restore system configuration in SMM
SMM_SMM_PLATFORM_INIT
SMM 0xA2 SMM service initial
SMM_ACPI_ENABLE_START
SMM 0xA6 OS call ACPI enable function
SMM_ACPI_ENABLE_END...
Acer Aspire 7250 Service Guide - Page 159
.... Plug USB storage into USB port. 4. When CRISIS is no other BIOS file saved in AC power. 5.
The Crisis USB key is strongly recommended to restore the BIOS firmware once the previous BIOS flashing process failed. Steps for this function is enabled, the system will force the BIOS to enable the...
Acer Aspire 7250 Service Guide - Page 208
....0
Battery SANYO AS10B Li-Ion 3S2P
BT.00603.116
SANYO 6 cell 6000mAh Main COMMON
ID: AS10B3E
8-4
Test Compatible Components Microsoft® Windows® 7 Environment Test
0
Aspire 7250G
0
Table 8-1.
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