База знаний

How to Use and Troubleshoot the XPS L502x


Table of Contents:

  1. The Computer Fails to Start or There is No Video
  2. The Computer Stops Responding
  3. Microsoft Windows Crashes, Stops, Restarts or a Blue Screen Appears
  4. Dell PC Diagnostics Quick Test and SupportAssist for PCs and Tablets
  5. Troubleshooting a Notebook LCD Screen That is Black, Blank or Hard to See
  6. Inspiron XPS L502x Specifications
  7. Port Locations
  8. Resetting the System Setup (BIOS) to its Default Settings
  9. Wireless Networking How-to's and Troubleshooting
  10. How to Turn the Wireless Antenna On and Off on a Dell Computer
  11. Disabling or Enabling the Touchpad Using the Hot Key
  12. Mouse, Keyboard or Touchpad Not Working Correctly
  13. Using and Troubleshooting the Dell Webcam and Dell Webcam Central Software
  14. Computer Component is not Recognized
  15. Inspiron XPS L502x Drivers
  16. Dell Windows Support Center

This article provides information on using and troubleshooting your XPS L502x.


The Computer Fails to Start or There is No Video

If you experience a situation in which the computer does not start at all or if it does turn on (lights turn on and fans are spinning), but the computer does not show any image, listen for a series of beeps during start-up.

When beeping codes are heard, refer to (Table 1) to help troubleshoot the issue with your computer.

Beeps Description Possible Cause
1 BIOS ROM checksum in progress or failure System board failure, covers BIOS corruption or ROM errors
2 No Memory (RAM) detected Memory or Memory slot failure
3 Chipset Error
  • (North and South bridge error
  • Time-Of-Day Clock test failure
  • Gate A20 failure
  • Super I/O chip failure
  • Keyboard controller failure
Motherboard: Chipset
4 Memory read / write failure Memory failure
5 Real Time Clock (RTC) power fail CMOS battery failure
6 Video BIOS test failure Video subsystem failure
7 CPU Cache test failure Processor failure
8 LCD LCD failure

Table 1:Repetitive Beep Codes

When no beeping codes are heard, perform the following steps:

  1. Disconnect all external peripherals including the keyboard, mouse, and external monitor. Peripherals also include external storage devices such as flash drives, USB devices, printers, cards etc.
  2. Remove the A/C adapter from the computer and unplug the adapter from the A/C outlet.
  3. Remove the battery, for more information on how to remove the battery, browse to the Inspiron XPS L502x Online Manual Page, click Service Manual.
  4. Press the Power button for 15 seconds to discharge the capacitors.
  5. Make sure the connections on the power cord and A/C adapter are firmly pressed together.
  6. Insert the A/C into the computer and a good A/C outlet.
  7. Press the power button to see if the computer turns on and boots up ok, if not, refer to Dell Knowledge Base article Computer Does Not Turn on, or is Stuck on the Dell Logo Screen.
  8. Turn the computer off and insert the battery back into the computer.
  9. Press the power button to see if the computer turns on and boots up ok, if not, refer to Dell Knowledge Base article Check the Battery.
  10. Start attaching devices one at a time and testing to see if the computer will turn on.

Back to Top


The Computer Stops Responding

  1. Press the Power button for at least 15 seconds to make sure the computer turns off.
  2. Disconnect all external peripherals including the keyboard, mouse, and external monitor. Peripherals also include external storage devices such as flash drives, USB devices, printers, cards etc.
  3. Press the power button to see if the computer turns on and boots up ok, if not, refer to Dell Knowledge Base article Computer Does Not Turn on, or is Stuck on the Dell Logo Screen.
  4. Download and install SupportAssist. For more information on how to obtain and install SupportAssist, browse to the SupportAssist for PCs and tablets page.
  5. Perform system maintenance on your computer, for more information refer to Dell Knowledge Base article Optimization and Maintenance of Microsoft Windows.
  6. Start attaching devices one at a time and test to see if the computer stops responding.

Back to Top


Microsoft Windows Crashes, Stops, Restarts or a Blue Screen Appears

This link takes you to the Dell Knowledge Base article Microsoft Windows Crashes, Stops, Restarts or a Blue Screen Appears.

Back to Top


Dell PC Diagnostics Quick Test and SupportAssist for PCs and Tablets

  • The fastest and easiest way to identify and resolve the most common issues is by using our Dell PC Diagnostics quick test. This will either fix the problem automatically, or it will guide you through the steps to resolve the problem.
    Note: When the diagnostic identifies a failing part, depending on the failing part, we will immediately start the process for a free in-warranty replacement part.

  • SupportAssist, previously called My Dell, provides system updates, detects issues and sends you alerts based on your device, which makes solving and preventing problems easier than ever. This application gives you access to everything you need to take the guesswork out of maintaining PCs and tablets. For more information such as how to obtain and install SupportAssist, browse to the SupportAssist for PCs and tablets page.
  • When the computer cannot access the Internet, you can run the built-in diagnostics on your computer, for more information, refer to Dell Knowledge Base article, Run Built-In Diagnostics (ePSA) for Your System.

Back to Top


Troubleshooting a Notebook LCD Screen That is Black, Blank or Hard to See

For information on troubleshooting a notebook LCD Screen, refer to the Dell Knowledge Base article Troubleshooting a Notebook LCD Screen That is Black, Blank or Hard to See

Back to Top


XPS L502x Specifications

For information on the XPS L502x Specifications, browse to the XPS L502x Online Manual Page, click Specifications.

Back to Top


Port Locations

For information on the port locations, browse to the XPS L502x Online Manual Page, click Specifications.

Back to Top


Resetting the System Setup (BIOS) to its Default Settings

Option 1:

  1. Reboot the computer.
  2. When prompted during POST, press the <F2> key to enter the setup screen.
  3. On the screen,press the <Right Arrow> key to move to the Exit menu.
  4. Press the <Down Arrow> key until Load Setup Defaults is highlighted, and press the <Enter> key.
  5. Press the <Enter> key on Yes to Restore Defaults and restart the computer.

Option 2:

  1. Reboot the computer.
  2. When prompted during POST, press the <F2> key to enter the setup screen.
  3. On the System Setup screen,press the <F9> key.
  4. Press the <Enter> key on Yes to Load Optimized Defaults and restart the computer.

Back to Top


Wireless Networking How-to's and Troubleshooting

For how-to's and troubleshooting information on wireless networking please visit the Dell Networking and Wireless Support Center

Back to Top


How-to-Turn-the-Wireless-Antenna-On-and-Off-on-a-Dell-Computer

  1. Press and hold done the <Fn> key, then press the <Fn2>. Repeating this will toggle the wireless antenna off and on.

For more information on how to turn the wireless antenna on and off on a Dell Computer, refer to Dell Knowledge base article How to Turn the Wireless Antenna On and Off on a Dell Computer

Back to Top


Disabling or Enabling the Touchpad Using the Hot Key

Press and hold the key then press the key.

For more information on how to turn the touch pad on or off, refer to Dell Knowledge base article Disabling or Enabling the Touchpad Using the Hot Key.

Back to Top


Mouse, Keyboard or Touchpad Not Working Correctly

Refer to the following Dell Knowledge Base articles for information on how to use or troubleshoot mouse, keyboard or touchpad issues.

Back to Top


Using and Troubleshooting the Dell Webcam and Dell Webcam Central Software

For information on how to troubleshoot the webcam on your computer, refer to Dell Knowledge base article Using and Troubleshooting the Dell Webcam and Dell Webcam Central Software

Back to Top


Computer Component is not Recognized

SupportAssist, previously called My Dell, detects issues and sends you alerts based on your device, This application gives you access to everything you need to take the guesswork out of maintaining PCs and tablets. For more information on how to obtain and install SupportAssist, browse to the SupportAssist for PCs and tablets page.

Back to Top


XPS L502x Drivers

For information on the XPS L502x drivers available, browse to the XPS L502x Driver Page

Back to Top


Dell Windows Support Center

This link takes you to the Dell Windows Support Center. Select the Operating System you need help with.

Back to Top





Код статьи: SLN154993

Дата последнего изменения: 01/19/2018 10:28 AM


Оцените эту статью

Точно
Функционально
Просто понять
Помогла ли вам эта статья?
Да Нет
Отправьте нам свое мнение
Комментарии не должны содержать следующие специальные символы: <>()\
К сожалению, наша система обратной связи в настоящее время не работает. Повторите попытку позже.

Благодарим вас за отзыв.