The Basic Input Output System tells the Acer Aspire 5315 notebook how to boot from different devices, such as loading the operating system stored on the hard drive. The BIOS also controls hardware settings and system time. Using an out of date BIOS version may result in slow performance or other problems if you install new hardware or software that isn't completely compatible. Updating the BIOS to a newer version fixes the problem.
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Turn off any programs currently running and click the "Start" icon. Select "Shut Down" and choose "Restart" to start the system boot process.
Press "F2" when the Acer logo splash screen appears to access the Basic Input Output System. Navigate to the "Main" tab by tapping the notebook's right arrow key.
Scroll down with the down arrow key until you reach the "BIOS Version" entry. Read the entry to find the current BIOS version installed on the Acer notebook.
Tap "F10" and hit "Enter" to confirm you want to exit the BIOS menu and return to the operating system. Access the Acer "Service & Support" website (see Resources).
Select the "Downloads" option at the upper-right side of the window. Click the "Select Your Location" drop-down box and choose your current location. Click "Notebook" and choose the "Aspire" option.
Choose "Aspire 5315" in the "Product Model" area. Click the operating system installed on the notebook in the menu beneath the "Product Model" selection.
Click the download tab labelled "BIOS." Check the listing of available BIOS downloads and locate a version that is more recent than the current BIOS version installed on the notebook. Click the orange download icon for the BIOS installation file.
Open the BIOS upgrade file. Select "Next" at each prompt and choose "Finish" to install the updated BIOS. Restart the notebook to complete the process.
Tips and warnings
- Any changes you've made to the BIOS will be removed when you install the new BIOS. Restart the notebook and tap "F2" at the Acer screen to access the new BIOS. Use the arrow keys to scroll through the menu headings and hit "Enter" to access and change any setting. Tap "F10" to exit and save the changes.
- In some cases, a newer BIOS may not be compatible with older hardware, which causes operating system hangups or prevents devices from working. If you experience problems after updating the BIOS, return to the download page and install an earlier BIOS version.
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