ASUS X502CA Troubleshooting

While using the computer it shuts itself off.

• The laptop battery may have died while being used.
• To charge the battery, plug in the computer to the wall charger.

• Computers have overheat protection installed to keep vital components from being damaged. When activated the overheat protection will shut the computer down to protect itself.
• The main cause is a clogged or broken CPU fan which pulls heat from the processor.
• To clean or repair the CPU fan follow the fan guide below.

The computer takes minutes to open files and program.

• RAM is the component that allows the computer to quickly access files and reopen programs.
• To check if the RAM is full open the task manager using (Ctrl + Alt + Del).
• With the task manager open click on the tab labeled Performance.
• The bar on the left labeled Memory is the reference to the RAM
• If the bright green bar nearly fills the indicator then the RAM is almost fully used.
• To empty the RAM the computer needs to be restarted.
• To prevent RAM from filling up, restart the computer on a weekly or bi-weekly basis.

When playing music or video files there is no sound playing.

• The mute button will silence all sound on the computer.
• If the mute is on then in the lower right corner of the screen, the speaker icon will have a red cross on it.
• If the mute is on press the Fn + F10 key and check if the red cross is gone.

• The computer volume could be low.
• In the lower right corner of the screen is a speaker icon, the volume is indicated by little curves to the right of it.
• If no curves are present then the volume is low.
• To increase the volume press Fn + F12 until the volume plays.

The screen is black and no image can be seen.

• Be sure to check and make sure that the computer is turned on.
• If the power button on the keyboard is glowing then the computer is on.
• If the button is not glowing then press the button to turn it on.

• If the computer is on then the screen brightness could be very low.
• To increase the brightness press Fn + F6.
• You will have to hold down this key combination until the brightness increases.

• If the computer is plugged into an monitor and the image is still not showing up on either the laptop or monitor then the cable could be broken.
• Install a new video cable between the computer and the monitor.

The battery no longer lasts as long as it originally did ie: The battery used to last 5.5 hours on a full charge but now lasts 2 hours.

• Overcharging by leaving the computer plugged in after the battery is full causes strain on the battery. There are not any ways of repairing the damage done, but there are some steps that can be taken to prevent future damage. First unplugging the device shortly after the battery has fully charged will prevent unnecessary strain on the battery.
• Allowing the battery to fully discharge every 1-2 months can help preserve the life span of the battery.
• If the problem gets too serious where the battery is no longer holding an acceptable charge then a replacement battery will need to be purchased.

• Over enough time every battery will experience damage from just being used regardless of user care. This damage to the battery takes a lot longer to occur than other damage and wont be noticeable until late in the device's life. The only possible repair is replacement.
• To replace the battery please follow the battery repair guide

The keystrokes aren't being registered by the computer and no text is written.

• It is possible that the cable connecting the keyboard to the motherboard became disconnected.
• To reconnect follow the keyboard replacement guide until the step when the cables are unplugged.
• Just reattach any loose cables to the motherboard and be sure to secure them with the built in clips.

• If there are no disconnected wires or the problem wasn't fixed by re-attaching them then the keyboard will need to be replaced.
• Follow the keyboard replacement guide.

The screen on your laptop has cracks in it and the image is distorted or not there.

• Dropping your laptop can cause physical damage to the screen that is irreparable. Computer screens aren't able to be repaired but are replaced.
• To remove the old screen and re-install the new one follow the screen replacement guide.

The webcam does not turn on or the image is distorted/broken.

• If the laptop screen takes a big hit the webcam wires can sometimes become disconnected.
• If the wires have become dislodged then the webcam can be fixed relatively easily by reconnecting the cables to the webcam.
• To reconnect the wires you must remove the trim of the screen which is outlined in the screen replacement guide.
• With the trim out of the way the cables can be reconnected as shown in the webcam repair guide.

• If the webcam breaks, the only option is to replace the webcam.
• To replace the webcam follow the webcam repair guide.

The device becomes extremely hot while using or causes overheat protection to be used shutting the device off.

• Over time, the fan on the CPU will become clogged with dust preventing the airflow needed to remove the heat from the processor.
• To gain access to the fan and heatsink the keyboard must be removed as shown in the fan repair guide.
• With the fan removed you will be able to remove the dust from the heatsink.
• With the dust removed you can re-install the fan by following the remainder of the fan repair guide.

• It is possible that the fan itself has stopped working due to physical or electrical damage.
• A replacement fan will need to be purchased.
• To replace the old fan follow the fan repair guide.