Common Problems

Use the following procedure as a guide for computer problems.

NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses.

  1. Obtain the failing symptoms in as much detail as possible.
  2. Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating the same operation.
3. Use the following table with the verified symptom to determine which page to go to.

Symptoms (Verified)

Go To

Power On Issue

Page 104

No Display Issue

Page 105

LCD Failure

Page 107

Internal Keyboard Failure

Page 107

TouchPad Failure

Page 108

Internal Speaker Failure

Page 109

Internal Microphone Failure

Page 111

Rightside USB Failure

Page 113

Wireless Function Failure

Page 114

3G Function Failure

Page 115

Switch Failure

Page 116

Thermal Units Failure

Page 117

Power Button Failure

Page 117

External Mouse Failure

Page 118

Other Functions Failure

Page 118

Intermittent Failures

Page 119

Undermined Failures

Page 119

  1. If the Issue is still not resolved, see "Online Support Information" on page 213.
  2. If the Issue is still not resolved, see "Online Support Information" on page 213.
Diagrama Dos Opciones

Computer Shuts down Intermittently

If the system powers off at intervals, perform the following actions one at a time to correct the problem.

  1. Check the power cable is properly connected to the computer and the electrical outlet.
  2. Remove any extension cables between the computer and the outlet.
  3. Remove any surge protectors between the computer and the electrical outlet. Plug the computer directly into a known good electrical outlet.
  4. Remove all external and non-essential hardware connected to the computer that are not necessary to boot the computer to the failure point.
  5. Remove any recently installed software.
  6. If the Issue is still not resolved, see "Online Support Information" on page 213.
Where The Video Chips Acer Nav50

No POST or Video

If the POST or video doesn't display, perform the following actions one at a time to correct the problem.

1. Make sure that the internal display is selected. On this notebook model, switching between the internal display and the external display is done by pressing Fn+F5. Reference Product pages for specific model procedures.

Make sure the computer has power by checking at least one of the following occurs:

  • Fans start up
  • Status LEDs light up

If there is no power, see "Power On Issue" on page 104.

Drain any stored power by removing the power cable and battery and holding down the power button for 10 seconds. Reconnect the power and reboot the computer.

Connect an external monitor to the computer and switch between the internal display and the external display is by pressing Fn+F5 (on this model).

If the POST or video appears on the external display, see "LCD Failure" on page 107.

Disconnect power and all external devices including port replicators or docking stations. Remove any memory cards and CD/DVD discs. Restart the computer.

If the computer boots correctly, add the devices one by one until the failure point is discovered. Reseat the memory modules.

Remove the drives (see "Disassembly Process" on page 40).

If the Issue is still not resolved, see "Online Support Information" on page 213.

Abnormal Video Display

  1. If permanent vertical/horizontal lines or dark spots display in the same location, the LCD is faulty and should be replaced. See "Disassembly Process" on page 40.
  2. If extensive pixel damage is present (different colored spots in the same locations on the screen), the LCD is faulty and should be replaced. See "Disassembly Process" on page 40.
  3. Adjust the brightness to its highest level. See the User Manual for instructions on adjusting settings. NOTE: Ensure that the computer is not running on battery alone as this may reduce display brightness.

If the display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. See "Disassembly Process" on page 40.

  1. Check the display resolution is correctly configured:
  2. Minimize or close all Windows.
  3. If display size is only abnormal in an application, check the view settings and control/mouse wheel zoom feature in the application.
  4. If desktop display resolution is not normal, right-click on the desktop and select Personalized Display Settings.
  5. Click and drag the Resolution slider to the desired resolution.
  6. Click Apply and check the display. Readjust if necessary.
  7. Roll back the video driver to the previous version if updated.
  8. Remove and reinstall the video driver.
  9. 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.
  1. If the Issue is still not resolved, see "Online Support Information" on page 213.
  2. Run the Windows Memory Diagnostic from the operating system DVD and follow the onscreen prompts.
  3. If the Issue is still not resolved, see "Online Support Information" on page 213.

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Responses

  • walter trentino
    Is there a user manual for acer aspire one model NAV50?
    9 years ago
  • paola
    How to connect external monitor AO532h?
    9 years ago
  • segan yemane
    How to fix display problem acer one nav50?
    9 years ago
  • luigina
    How to reload nav50 netbook bios?
    9 years ago
  • asmara
    How much memory will the aspire one nav50 hold?
    9 years ago
  • SOPHIE
    How to check the model number of acer aspire one nav50?
    9 years ago
  • darryl
    How to reboot Acer Aspire One Series Mod Nav50?
    9 years ago
  • Toini
    Is there any common problems with the acer aspire 5542?
    8 years ago
  • haylom
    Where is the video chips of acer NAV50?
    8 years ago

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