IBM Aptiva 2134 Driver Download

IBM Drivers

The Aptiva 2134 is a common computer motherboard manufactured by IBM. Update now to fix problems such as frequent crashing, computer shuts off unexpectedly, no audio or no video, or a blank screen on start up. Visitors have downloaded this file "couflash.exe" 530 times with an aggregate rating of 4 out of 5 stars based on 12 reviews. The total disk space used for this update is 1.2 MB.

12 Ratings (see all reviews)

Supported Models

IBM Aptiva 2134

2159 and 2176



Supported Operating Systems

Not Applicable

File Name


BSTUS4I or BFLUS4N (Depending on Aptiva u have) (11-Feb-1999)

Additional Notes

This flash BIOS update is for use on miscellaneous IBM 2134, 2159 and 2176 Aptiva systems. It installs BIOS level BSTxx4I (BSTUS4I on US systems) on Aptivas with the A-2 motherboard and the ATI 3D Rage graphics chipset and level BFLxx4N (BFLUS4N on US systems) on Aptivas with the A-1 motherboard and the SiS graphics chipset.

2134-C21 SiS BFLUS4N 2/11/99

2176-Cxx ATI Rage BSTUS4I 2/11/99

2176-Cxx SiS BFLUS4N 2/11/99

2159-Sxx ATI Rage BSTUS4I 2/11/99

NOTE: Some users with with drives larger than 4.2GB experienced problems with the 1/22/99 release of COUFLASH (BST_4H/BFL_4M) which resulted in IBM pulling that file briefly and reissuing a debugged version on 2/11/99 (This file).



1. Download the COUFLASH.EXE.

2. Insert a blank 3.5

Uploaded By

jaz56303 (DG Member) on 5-Feb-2006

Ratings & Reviews

See all IBM Aptiva 2134 ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
couflash(2).IMA 1.5 MB 5 Feb 2006

How to Update IBM Aptiva 2134 Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the IBM Aptiva 2134 driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter IBM Aptiva 2134 into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the IBM Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the IBM website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

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