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 Studio 1557 System BIOS, A05

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.
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Fixes & Enhancements

Fix Playing Youtube HD video causing system hang issue.
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Version

A05, A05

Release date

10 May 2010

Download Type

BIOS (DOS Version)

Category

BIOS

Importance

Recommended
Dell 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: HKC_DOS_A05.zip
File Size: 1.32 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:
f53bbb7b9fe26009dc8a66ebfa273482
SHA1:
Not available
SHA-256:
Not available

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

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Hard Drive Installation (via WinZip) of DOS Utility for HKC_DOS_A05.zip

Download

1.Click the location, e.g. Americas, from which you want to download the file.
2.When the File Download window appears, click Save this program to disk and click OK. The Save In window appears.
3.From the Save In drop-down menu, click to select Desktop and then click Save. The file will download to your desktop.
4.If a Download Complete window appears, click Close. A new icon appears on your desktop.

Install

1. Double-click the new icon on the desktop labeled HKC_DOS_A05.zip.
2. The Self-Extractor window appears and prompts you to extract or unzip to C:\DELL\DRIVERS\R268269. If you did not print these instructions, write down this path. The WinZip Self-Extractor window appears.
3. Click OK.
4. If the Self-Extractor window is still open, close it.
5. Create a DOS boot disk. For more information, refer to Dell Knowledge Base Article TT1014475 ¡V ¡§What can I use for a boot disk with CD-ROM support?¡¨
6. Insert the floppy disk into the floppy drive and reboot the computer.
7. At the A:/> prompt, type C: and then press the [ENTER] key.
8. Type C:\DELL\DRIVERS\R268269 and then press [ENTER].
9. Follow the on-screen instructions.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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