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Acer Aspire S3-391 Support Question

Acer Aspire S3-391 Support Question

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Question posted by doxuanthien999 on January 27th, 2013

Cannot Adjust Screen Brightness After Reintall Windows 7.

Although I  try to install  all drivers from Acer suppor website, I still cannot adjust my screen darker or brighter.did I not only use Fn+ ->  but also  go to power options to adjust, it was not succeed.however I can adjust speaker or turn on, off wifi and blue-tooth by press Fn+... normally. Please help me!, Thank you.

Current Answers

Answer #1: Posted by tintinb on January 27th, 2013 9:14 PM
This answer was accepted by the poster of the original question.
tintinb

Member since:
October 26th, 2012

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The reinstallation of your Acer Aspire S3-391 into Windows 7 Operating System affected the display settings, driver software and other important system files of your computer. The best thing that you can do is to reinstall the driver software particularly the display driver of this computer. You can download the updated display driver here:

The other driver software can be downloaded here:

If you have more questions, please don't hesitate to ask here at HelpOwl. Experts here are always willing to answer your questions to the best of our knowledge and expertise.

Regards,

Tintin

Related Acer Aspire S3-391 Manual Pages

Acer Aspire S3-391 Notebook Service Guide - Page 2

... the HDMI logo, and High Definition Multimedia Interface are available on the ACER/CSD website. Date Chapter Updates Service guide files and updates are trademarks or registered ...a retrieval system, or translated into any language or computer language, in any defect in this Aspire S3 MS2346 Service Guide. Copyright © 2011 by any means, electronic, mechanical, magnetic, optical,...
Acer Aspire S3-391 Notebook Service Guide - Page 3

...61548;Computer output (text that represents information displayed on a computer screen, such as command names, option letters, and words) are shown in bold italics. Variables contained within...in constant width bold. Example: After entering data, press Enter. The following conventions are used in this manual: ! WARNING: Indicates a potential for the proper completion of a ...
Acer Aspire S3-391 Notebook Service Guide - Page 8

... Connector Locations Mainboard Layout 5-3 Clearing Password Check and BIOS Recovery 5-5 Clearing the BIOS Passwords 5-5 Performing a BIOS Recovery 5-6 CHAPTER 6 FRU List Aspire S3 MS2346 Exploded Diagrams 6-4 Main Assembly 6-4 FRU List 6-6 CHAPTER 7 Test Compatible Components Microsoft Windows 7 Environment Test 7-3 CHAPTER 8 Online Support Information Online Support Information 8-3 viii
Acer Aspire S3-391 Notebook Service Guide - Page 11

...60Hz Hardware Specifications and Configurations 1-3 Operating System 0 Genuine Windows® 7 Home Premium 64-bit Genuine Windows® 7 Home Basic 64-bit Platform 0 Huron... aspect ratio 16.7 million colors, 200-nit brightness Graphics 0 Graphics controller: Intel® HD Graphics 3000 with 128...
Acer Aspire S3-391 Notebook Service Guide - Page 13

...(charge-in-use) ACPI 3.0-compliant power management system ENERGY STAR compliant Keyboard and Pointing Device 0 Keyboard 0 84-/85-/88-key full-size Acer FineTip keyboard with international language support Overlay numeric keys Inverted "T" cursor keys Hotkeys for volume and brightness level, media...
Acer Aspire S3-391 Notebook Service Guide - Page 14

...;Windows Live™ Essentials Security 0 Acer Backup Manager McAfee® Internet Security Suite (trial only) Norton™ Online Backup MyWinLocker® (except China, Hong Kong) Multimedia 0 Acer clear.fi NTI Media Maker™ Gaming 0 Acer Games powered by...
Acer Aspire S3-391 Notebook Service Guide - Page 16

... functions like a computer mouse. 7 Palmrest Comfortable support area for video communication. Open Front View No. 1 2 Icon Item Integrated webcam Display screen 3 Power button Description Web camera for your hands when you use the computer. 1-8 Hardware Specifications and Configurations Notebook Tour 0 This section provides an overview of the features and functions of the...
Acer Aspire S3-391 Notebook Service Guide - Page 22

... Table 1-8. Off by default. Keyboard Lock Keys Lock Key Caps Lock Num Lock Fn+F11 Description When On, all typed alphabetic characters appears in uppercase. If an external... Figure 1-7. Keyboard 0 The keyboard contains an overlay numeric keys, inverted "T" cursor key, Windows® key, Application key, function lock keys, and hotkeys controlling various computer features.
Acer Aspire S3-391 Notebook Service Guide - Page 23

...  + D: Display the desktop  Ctrl+ +F: Search for the cursor movement by Windows XP, Windows Vista, and Windows 7:  : Open or close the Start menu  +R: Open the Run dialog box  +M: Minimizes all applications. Scroll Lock Fn+F12 When On, the screen moves one line up or down when pressing the up or down...
Acer Aspire S3-391 Notebook Service Guide - Page 24

...Hotkey Icon Function Fn+F3 Communication device toggle Fn+F4 Sleep Fn+F5 Fn+F6 Display off the LCD back light Switches the display output between the display screen, external monitor...off Display toggle Fn+F7 Touchpad toggle Description Toggles the WiFi, 3G and/or Bluetooth functions On and Off using a pop-up window. Table 1-9. Windows-specific Keys Key Description Windows Logo key ...
Acer Aspire S3-391 Notebook Service Guide - Page 25

Hotkeys Hotkey Fn+F8 Icon Function Speaker toggle Description Turns the speakers On or Off. Fn+ Fn+ Brightness Down Decreases the screen brightness. Table 1-10. Brightness Up Increases the screen brightness. 0 Hardware Specifications and Configurations 1-17 Fn+ Volume Up Increases the sound volume. Fn+ Volume Down Decreases the sound volume....
Acer Aspire S3-391 Notebook Service Guide - Page 26

... the BIOS Setup screen. 6. D2D Recovery 0 The Acer Disk to Disk (D2D) recovery function allows you to use the recovery partition to... troubleshoot your computer to factory condition. Follow the onscreen instructions to enter the system recovery partition. This will display the eRecovery Management window...
Acer Aspire S3-391 Notebook Service Guide - Page 29

... 2.1  BIOS Boot specification v1.01  Simple boot flag specification v2.1  System management bus specification v2.0  AHCI support  Microsoft XP/Vista/Windows 7 logo program  Microsoft SLP 1.0 support  Microsoft OA 2.0 and 2.1 support Hardware Specifications and Configurations 1-21 Hardware shuts down at 85 °C SPL Spec (dBA...
Acer Aspire S3-391 Notebook Service Guide - Page 30

Keyboard Item Specification Type Aspire AF1S Flat keyboard Total number of keys 84 keys Windows logo key Yes Internal and external USB Yes keyboard work simultaneously? Features  Overlay numeric keys  Inverted "T" cursor keys  Hotkeys for volume and brightness level, media playback, wireless and sleep functions, and display and touchpad toggle ...
Acer Aspire S3-391 Notebook Service Guide - Page 31

... Vendor and models Product series Configuration Interface Capacity (GB) Performance Max. Read Speed Power Requirement Specification A-DATA SSD NAND AS511S7-120GM A-DATA SSD NAND AS511S7-240GM A-DATA...SD) 65 nm LCD Panel Item Vendor and models Screen size (diagonal) Active area Display resolution (pixels) Pixel pitch Viewing angle (H/V) Brightness Contrast ratio B133XTF01.0 LF 337.8 mm (13.3...
Acer Aspire S3-391 Notebook Service Guide - Page 41

...this utility, during POST (power-on self-test), press F2 when the prompt appears on the computer model. Navigation keys appear on the right area of screen. System Utilities 2-3 If configuration... problems occur, the setup utility may need to enter the multi-boot menu. NOTE: NOTE: Parameter values enclosed in an option box. ...
Acer Aspire S3-391 Notebook Service Guide - Page 44

... Show the original equipment manufacturer (OEM) screen during system boot instead of the typical POST screen Option to boot system from LAN F12 Boot Menu Option to enter the Boot menu during POST D2D Recovery Option to use the D2D Recovery function SATA Mode Option to set the SATA controller mode Format/Option Format: HH:MM:SS (hour...
Acer Aspire S3-391 Notebook Service Guide - Page 136

...43. Disconnect power and all Windows. ...screen). If permanent vertical/horizontal lines or dark spots appear in the same locations on pages 3-61. 12. Adjust the brightness...display brightness. 2. Drain stored power by pressing Fn+F5. 6. Remove and reinstall the video driver. ...determine that the computer is properly installed. Check the display resolution is correctly...
Acer Aspire S3-391 Notebook Service Guide - Page 137

LCD Failure Troubleshooting 4-7 Run the Windows Memory Diagnostic from the operating system DVD and follow the on page 9-3 LCD Failure 0 If the LCD fails, perform the following, one at a time. Do not replace a non-defective FRU: Figure 4-3. 8. If the issue is still not resolved, refer to the Online Support Information on -screen prompts. 9.
Acer Aspire S3-391 Notebook Service Guide - Page 141

... speakers. 8. Follow the on-screen prompts to start Speaker Setup. ...the Operating System. 12. Restore system and file settings from a known good date using System Restore. 10. Confirm that the volume is remains, repeat step 9, selecting... are selected as the default audio device (green check mark). Remove any recently installed hardware or software. 9. NOTE: NOTE: If Speakers do not show, right-...

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