4-6
Troubleshooting
5. Connect an external monitor to the computer and switch between the internal
display and the external display is by pressing
Fn+F5
.
6. If the POST or video appears on the external display only, refer to
.
7. Disconnect power and all external devices including port replicators or docking
stations. Remove any memory cards and CD/DVD discs.
8. Start the computer. If the computer boots correctly, add the devices one by one until
the failure point is discovered.
9. Reseat the memory modules.
10. Remove the drives (refer to
11. If the Issue is still not resolved, refer to
.
Abnormal Video
0
If the video appears abnormal, perform the following:
1. Boot the computer.
If permanent vertical/horizontal lines or dark spots appear in the same location,
the LCD is faulty and should be replaced. Refer to Disassembly Process.
If extensive pixel damage is present (different colored spots in the same locations
on the screen), the LCD is faulty and should be replaced. Refer to
NOTE:
NOTE
:
Make sure that the computer is not running on battery alone as this may reduce
display brightness.
2. Adjust the brightness to its highest level. Refer to the User Manual for instructions on
adjusting the settings. If the display is too dim at the highest brightness setting, the
LCD is faulty and should be replaced. Refer to
Disassembly Process
.
3. Check the display resolution is correctly configured:
Minimize or close all Windows.
If display size is only abnormal in an application, check the view settings and
control/mouse wheel zoom feature in the application.
If desktop display resolution is not normal, right-click on the desktop and select
Personalize Display Settings
.
Click and drag the Resolution slider to the desired resolution.
Click
Apply
and check the display. Readjust if necessary.
4. Roll back the video driver to the previous version if updated.
5. Remove and reinstall the video driver.
6. Check the Device Manager to determine that:
The device is properly installed. There are no red Xs or yellow exclamation marks
There are no device conflicts
No hardware is listed under
Other Devices
7. If the Issue is still not resolved, refer to
.
8. Run the
Windows Memory Diagnostic
from the operating system DVD and follow the
on-screen prompts.
9. If the issue is still not resolved, refer to
.
Summary of Contents for Aspire V7-582
Page 1: ...Aspire V7 582 V5 573 SERVICE GUIDE...
Page 11: ...CHAPTER 1 Hardware Specifications...
Page 14: ...1 4...
Page 58: ...1 48 Hardware Specifications and Configurations...
Page 59: ...CHAPTER 2 System Utilities...
Page 110: ...2 52 System Utilities...
Page 111: ...CHAPTER 3 Machine Maintenance Procedures...
Page 114: ...3 4...
Page 199: ...Machine Maintenance Procedures 3 89 Figure 3 109 Connecting HDD B...
Page 205: ...CHAPTER 4 Troubleshooting...
Page 229: ...CHAPTER 5 Jumper and Connector Locations...
Page 238: ...5 10 Jumper and Connector Locations...
Page 239: ...CHAPTER 6 FRU Field Replaceable Unit List...
Page 240: ...6 2 Exploded Diagrams 6 4 FRU List 6 7 Screw List 6 46...
Page 285: ...CHAPTER 7 Model Definition and Configuration...
Page 286: ...7 2 Acer Aspire V7 582 7 3 Acer Aspire V5 573 7 28...
Page 360: ...7 76 Model Definition and Configuration...
Page 361: ...CHAPTER 8 Test Compatible Components...
Page 362: ...8 2 Microsoft Windows 8 Environment Test 8 4...
Page 372: ...8 12 Test Compatible Components...
Page 373: ...CHAPTER 9 Online Support Information...
Page 374: ...9 2 Introduction 9 3...
Page 376: ...9 4 Online Support Information...