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ASUS X550LB-DS71 Troubleshooting

ASUS X550LB-DS71, Notebook - Core i7 4500U 1.8 GHz - 8 GB RAM

Random Blue Screen ¶ 

The computer screen turns blue with an error message before the computer suddenly shuts down or restarts by itself.

Insufficient RAM ¶ 

A blue screen with white text flashes before the computer restarts by itself. It may be a sign of insufficient/faulty RAM card. If you believe that this is the problem, replace or upgrade the RAM card with this guide.

Faulty Hard Drive ¶ 

The random blue screen of death could be a warning sign of a possible hard drive failure. If you believe this is the problem, restart your computer and backup your data. Then, replace the hard drive.

Vertical and Horizontal Lines Across the Screen ¶ 

There are noticeable vertical or horizontal lines, usually white, that interfere with the picture on the screen.

Loose Internal Video Cable ¶ 

A flickering screen is a symptom of a possible loose connection between the display and the motherboard. Make sure the video cable is securely connected from the motherboard to the display.

Damaged Display Panel ¶ 

If the lines are still present after restarting the computer and checking the connections, the display panel could be damaged internally. Follow this guide to replace the display panel.

Rainbow Colors in the Screen ¶ 

The screen randomly displays a vertical rainbow pattern during operation and start-up.

Graphics Card Drivers are Out of Date or Corrupted ¶ 

A rainbow-colored screen is a sign that there could be a problem with the graphics card. For Windows 10, try updating the graphics driver or reinstalling the drivers. The drivers can be found Here.

Damaged Graphics Card ¶ 

If the graphics drivers are updated and the screen is still displaying rainbow colors, the graphics card could be damaged. Replace the graphics card with this guide.

Optical Drive does not Read the Disk ¶ 

CD does not spin once the port is closed or the computer fails to read it.

Dirty CD ¶ 

If the disk does not spin or the laptop does not read the disc correctly, eject the CD and clean the bottom carefully using a soft, damp, cleaning cloth. Make sure there are no prominent scratches that could be interfering with the reading of the disk. If the CD is too damaged, try using a different disk to check if the Optical Drive works correctly.

Dirt on the Laser ¶ 

If you are getting a "No-Disc" error on your screen, you may need to clean the Optical Drive laser. Remove the Optical Drive assembly and remove the top casing to expose the laser lens. Use a cotton swab and some isopropyl alcohol to gently wipe the lens. Dry the laser lens with the other end of the swab.

Damaged Optical Drive ¶ 

If you have tried all the above options and the computer is unable to read the CD, then the Optical Drive might be damaged. Replace the Optical Drive with this guide.

Unresponsive Keyboard ¶ 

Keys do not perform its function when pressed.

Faulty Keyboard ¶ 

If none of the keys in the keyboard respond when pressed, the whole keyboard may have to be replaced. An alternative method is to use a USB desktop keyboard with the computer.

Device is Overheating ¶ 

The computer starts to slow down, or it might suddenly shut down. The laptop feels hot and there is no fan sound.

Dirty Fan ¶ 

Overheating can occur due to dust and dirt that have accumulated within the cooling vents and on the fan. To clean away the dust, open the bottom panel of the computer until the fan is visible. Use a compressed air duster and blow the dust away from the fan and vents.

Faulty Fan ¶ 

Test to see if the fan is operating by placing your ear next to the side vent and listen for an air blowing sound. If you do not hear anything, clean the fan and the vent using compressed air. Ensure that your battery is fully charged and restart the computer. If the fan continues to not function, replace the fan with this guide.

Faulty Battery ¶ 

If the battery is failing, windows will usually display messages stating the battery is performing under capacity. One possible consequence of this is overheating. If you notice that the location of the laptop where the battery is attached becomes too warm, replace the battery.

Missing Thermal paste on Processor ¶ 

The thermal compound can dry out and develop cracks over time which can possibly make it difficult for heat to diffuse away from the laptop. This causes an increase in the laptop's temperature. To fix it, you will need to clean away the old thermal paste and reapply new thermal paste on top of the processor.

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