3. Insert the upgrade diskette into the diskette drive.4. Power-on the computer.5. At power up, the system will make a beep sound and will show no video, as itstarts reading from the floppy disk.6. The system will continue making a series of beep sounds followed by a fewseconds of silence. The whole process should last for a few minutes.7. When the boot block recovery process is finished, the system will make a finallong-lasting beep sound.8. Remove the floppy disk, power off the computer (keeping power buttonpressed for around 5 seconds), move the recovery jumper back to the normalposition and replace the cover.9. Perform a Flash/BIOS update to re-enter machine type and serial number datausing the procedure provided below:Flash/BIOS Update process to follow after performing a boot block recoveryprocess:1. After replacing the cover, insert the upgrade floppy disk into the disk driveand turn on the computer. The IBM Logo will appear.2. When the Flash Update Utility appears, select the country/keyboard, thenpress enter.3. Since the serial number data has been deleted, you will be prompted to enterit. Press Y to update the data.4. Type the 7-digit Serial Number of the computer and press enter.5. You will also be prompted to update the Machine Type information of yoursystem. Follow the onscreen instructions to do so.6. After Serial Number and Machine Type information has been entered, theBIOS will be updated.7. During the update process, the following message will pop up: ″BIOS ROMfile is older than (or same as) BIOS ROM Image. Continue anyway? (Y/N)″Press Y to continue.8. When finished, remove the floppy disk and re-start the system.9. When re-starting, the system will prompt a message indicating that anunauthorized CMOS change was detected. Press F1 to go to Setup.10. Once in the setup utility, go to the EXIT tab and select the option Save andExit the Setup utility.11. A Setup confirmation window pops up. Press Y continue.184 Hardware Maintenance Manual Types 2292, 2273, 6043, 6343, 6349, 6350, 6790, 6791, 6792, 6793, 6794, 6795, 6823, 6825