Acer Aspire 5740-6378 Troubleshooting

Although plugged into a working outlet, battery level won’t increase when plugged in.

When plugged in, the computer will not display that it is charging. This will run the battery out. Consider purchasing a new power cable.

When plugged in, the computer will acknowledge that it is charging, but the battery level will not actually increase. Consider replacing the battery with a new one.

I cannot access the internet after booting my computer

If you can connect to your Wi-Fi, but your Wi-Fi cannot connect to the internet, then this is likely not a computer based problem but a router based one. Restarting your router may help, but if this does not work, calling your service provider may be required.

If other networks are available, but your own network isn’t, then this is most likely an issue with your router. Restarting your router may help, but if this does not work, calling your service provider may be required.

If no Wi-Fi networks are available at all to connect to, and in most places there are, then this is most likely an issue with your Wi-Fi card. This can be fixed by replacing the Wi-Fi card, as shown here, or by purchasing a USB plug in Wi-Fi adapter.

If audio is meant to be playing, but the computer is silent

Open the sound settings and look for the setting called “Output Device”. Check to see which device the computer is outputting to. Change the setting to output through your laptop’s speakers

The speaker on the computer may broken. To resolve this, replace the current speaker with a new unit.

When pressing the power button, the computer does not boot

First, it’s important to check to see if your battery is working. Try plugging in your device and booting it again.

This is an indication of a fatal failure in your computer. One way to attempt to resolve this is to attempt to replace the hard drive. If this does not work, the computer may be unusable.

When a disc is inserted into the computer, the computer will not read that there is a disc or read any of the data from the disc

Check to see if your laptop has issues reading any other discs. Try several discs. If others work, but one particular one does not, it may be an issue with the disc itself. If this is the case, your computer is okay, but you may need to look into disc repair.

This could be an error with the disc drive. Try cleaning out the drive with a can of pressurized air. If that doesn’t work, try replacing the disc drive.