Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.
Before updating, please read the installation instructions and important information noted below.
Dell Dell Insprion N4120 System BIOS, A02
AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.Dell Insprion N4120 System BIOS
Recommended
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Fixes & Enhancements
Issues fixed:
1.Enter S3 and then flash BIOS in OS,system will go to S3 after shutdown.
2.There are some BIOS options will auto-disable after doing some action.
3.Can’t Coldboot to USB3.0 ODD when set CD/DVD as first boot device in BIOS
4.The 3rd place bootable device will change to “disable” after some action.
5.USB HDD without electric power can't boot from USB 3.0 port.
6.Win8:does not implement XHCI BIOS Handoff Correctly
7.System can’t boot EPSA via press “Fn+PowerButton”
8.Enhanced the system shutdown mechanism when RSOC=0%.
9.Enhanced the system resume mechanism when RSOC<=3%.
10.Enhanced the SMBUS communicate mechanism when SMBUS fail.
11.Update the resume mechanism when critical battery low at S3.
12.Update Ambient THERMISTOR and Chipset THERMISTOR at DELLDIAG.
13.LCD Brightness become very dim when use CTRL+ALT+DEL to reboot in EPSA panel test
*Feature update:
Disable unused port on Q14AL.
update ePSA to C_PG4213.
Add boot list recovery mechanism for factory request.
Read More
1.Enter S3 and then flash BIOS in OS,system will go to S3 after shutdown.
2.There are some BIOS options will auto-disable after doing some action.
3.Can’t Coldboot to USB3.0 ODD when set CD/DVD as first boot device in BIOS
4.The 3rd place bootable device will change to “disable” after some action.
5.USB HDD without electric power can't boot from USB 3.0 port.
6.Win8:does not implement XHCI BIOS Handoff Correctly
7.System can’t boot EPSA via press “Fn+PowerButton”
8.Enhanced the system shutdown mechanism when RSOC=0%.
9.Enhanced the system resume mechanism when RSOC<=3%.
10.Enhanced the SMBUS communicate mechanism when SMBUS fail.
11.Update the resume mechanism when critical battery low at S3.
12.Update Ambient THERMISTOR and Chipset THERMISTOR at DELLDIAG.
13.LCD Brightness become very dim when use CTRL+ALT+DEL to reboot in EPSA panel test
*Feature update:
Disable unused port on Q14AL.
update ePSA to C_PG4213.
Add boot list recovery mechanism for factory request.
Version
A02, A02
Release date
02 Oct 2011
Download Type
System BIOS
Category
BIOS
Importance
RecommendedDell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
Available formats
File Format:
ZipPack External
File Name:
R313321.exe
File Size:
3.7 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file contains a compressed (or zipped) set of files. Download the file to a folder on your hard drive, and then run (double-click) it to unzip the set of files. Follow the instructions to complete the installation.
To ensure the integrity of your download, please verify the checksum value.
MD5:
Not available
SHA1:
Not available
SHA-256:
Not available
By downloading, you accept the terms of the Dell Software License Agreement.
Installation instructions
Hard Drive Installation (via WinZip) with Setup.exe File for R313321.exe
Download
1.Click Download Now, to download the file.
2.When the File Download window appears, click Save (Windows XP
users will click Save) this program to disk and click OK. The Save In:
window appears.
3.From the Save In: field, click the down arrow then click to
select Desktop and click Save. The file will download to your desktop.
4.If the Download Complete window appears, click Close. The file
icon appears on your desktop.
Install
1.Double-click the new icon on the desktop labeled R313321.exe.
2.The Self-Extracting window appears and prompts you to extract or
unzip to C:\DELL\DRIVERS\R313321. Write down this path so the executable (I.e.
Setup.exe) file can be found later.
3.The Self-Extractor window appears.
4.Click OK.
5.After completing the file extraction, if the Self-Extractor
window is still open, close it.
6.Click the Start button and then click Run.
7.Type C:\DELL\DRIVERS\R313321 in the Open textbox and then click OK.
8.Follow the on-screen installation instructions.
Download
1.Click Download Now, to download the file.
2.When the File Download window appears, click Save (Windows XP
users will click Save) this program to disk and click OK. The Save In:
window appears.
3.From the Save In: field, click the down arrow then click to
select Desktop and click Save. The file will download to your desktop.
4.If the Download Complete window appears, click Close. The file
icon appears on your desktop.
Install
1.Double-click the new icon on the desktop labeled R313321.exe.
2.The Self-Extracting window appears and prompts you to extract or
unzip to C:\DELL\DRIVERS\R313321. Write down this path so the executable (I.e.
Setup.exe) file can be found later.
3.The Self-Extractor window appears.
4.Click OK.
5.After completing the file extraction, if the Self-Extractor
window is still open, close it.
6.Click the Start button and then click Run.
7.Type C:\DELL\DRIVERS\R313321 in the Open textbox and then click OK.
8.Follow the on-screen installation instructions.
Need help with BIOS issues?
Find a solution in Dell's BIOS troubleshooting and usage guide.Drivers help and tutorials
For more downloads go to the Drivers and downloads.
For help on using the information on this page, please visit Driver Help and Tutorials.