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Student-Contributed Wiki

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The laptop turns off when the charger is unplugged. ¶ 

The battery is not charging. ¶ 

If the laptop only works when it is connected to the charger, the battery may need to be replaced.

Causes:

  • Laptop batteries have a limited number of charge-discharge cycles they can perform. The battery will usually run out of charge-discharge cycles after a few years.
  • Prolonged exposure to very high or very low temperatures can deteriorate a laptop battery.
  • If the laptop battery stays at a very low charge (or completely discharged) for prolonged amounts of time, the battery will likely lose its ability to recharge.

Solution: Replace the battery. Refer to this guide for replacing the laptop battery.

Some keys are not working on the keyboard. ¶ 

The keyboard might need to be replaced. ¶ 

If certain keys do not work when they are pressed on the keyboard that might mean there is something wrong with it and it needs to be replaced. Follow this guide to see how to replace the keyboard.

A clicking/clunking noise can be heard from the laptop. ¶ 

The hard drive may be defective. ¶ 

If the hard drive is making the clicking/clunking noise, the hard drive needs to be replaced as soon as possible as it may die at any moment. Backup all data you do not want to lose to some external location, then replace the drive. Refer to this guide for replacing the hard drive.

There may be something obstructing the fan. ¶ 

The fan may have small objects getting in the way of the fan spinning. Refer to this guide for getting to the fan to clean it out or to replace it.

The laptop is crashing/freezing frequently. ¶ 

There may be a problem with the RAM module. ¶ 

Over time, electronic components, including RAM modules, will simply wear out. Physical shocks can also cause RAM modules to become faulty. To replace the RAM module, refer to this guide for how to replace it.

There may be a bad driver installed. ¶ 

Some drivers can cause the operating system to crash or freeze. If the freezes started to occur shortly after a new driver was installed, then that is the likely cause of the problem. To fix this, restore the system back to before the driver was installed; in Windows, this is performed via System Restore.

There is no sound coming from the speakers. ¶ 

Speakers may be broken. ¶ 

If no sound comes from the speakers when sound should be heard, the speakers may be faulty and probably need to be replaced. First, make sure the sound is not on mute or at a very low volume. If the sound is not muted and no sound is produced, try plugging headphones into the computer. If the headphones work, this means the sound card is functioning properly and doesn't need to be replaced. At this point, the most likely cause is the speakers, which need to be replaced. See this guide to see how to replace the speakers.

The LCD screen is cracked, black, or has one or more dead pixels. ¶ 

There are one or more dead pixels. ¶ 

Dead pixels aren't a major problem; however, the screen needs to be replaced if you want to get rid of them. Go to this guide to see how to replace the LCD screen.

The LCD screen is cracked. ¶ 

If the LCD screen is visibly cracked, then the LCD screen needs to be replaced. Follow this guide to see how to replace the LCD screen.

LCD screen is black. ¶ 

If the LCD screen is plugged in all the way but is still not working, it means the LCD screen needs to be replaced after all. Follow this guide to learn how to replace the LCD screen.

The CD drive is not reading CDs. ¶ 

The CD drive might be defective. ¶ 

If the CD drive doesn't even spin the CD when inserted, it means the drive is broken and needs to be replaced entirely. This guide explains how to replace the CD drive.

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