HP Officejet Pro L7550 - Uninstall and reinstall the software

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Uninstall and reinstall the software

If your installation is incomplete, or if you connected the USB cable to the computer
before prompted by the software installation screen, you might need to uninstall and
then reinstall the software. Do not simply delete the device application files from your
computer. Make sure to remove them properly using the uninstall utility provided when
you installed the software that came with the device.
There are three methods to uninstall the software on a Windows computer, and one
method to uninstall on a Macintosh computer.

To uninstall from a Windows computer, method 1
1.
Disconnect the device from your computer. Do not connect it to your computer until

after you have reinstalled the software.

2. Press the Power button to turn off the device.
3. On the Windows taskbar, click Start, select Programs or All Programs, select

HP, select Officejet Pro L7XXX Series, and then click Uninstall.

4. Follow the onscreen instructions.
5. If you are asked whether you would like to remove shared files, click No.

Other programs that use these files might not work properly if the files are deleted.

6. Restart your computer.
7. To reinstall the software, insert the device Starter CD into your computer's CD-

ROM drive, follow the onscreen instructions, and also see

To install the software

before connecting the device (recommended)

.

8. After the software is installed, connect the device to your computer.
9. Press the Power button to turn the device on.

After connecting and turning on the device, you might have to wait several minutes
for all of the Plug and Play events to complete.

10. Follow the onscreen instructions.
When the software installation is complete, the HP Digital Imaging Monitor icon
appears in the Windows system tray.

To uninstall from a Windows computer, method 2

NOTE:

Use this method if Uninstall is not available in the Windows Start menu.

Chapter 9

140

Configure and manage

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1. On the Windows taskbar, click Start, select Settings, select Control Panel, and

then click Add/Remove Programs.
- Or -
Click Start, click Control Panel, and then double-click Programs and Features.

2. Select HP Officejet Pro All-in-One Series, and then click Change/Remove or

Uninstall/Change.
Follow the onscreen instructions.

3. Disconnect the device from your computer.
4. Restart your computer.

NOTE:

It is important that you disconnect the device before restarting your

computer. Do not connect the device to your computer until after you have
reinstalled the software.

5. Insert the device Starter CD into your computer's CD-ROM drive and then start the

Setup program.

6. Follow the onscreen instructions and also see

To install the software before

connecting the device (recommended)

.

To uninstall from a Windows computer, method 3

NOTE:

Use this method if Uninstall is not available in the Windows Start menu.

1. Insert the device Starter CD into your computer's CD-ROM drive, and then start

the Setup program.

2. Disconnect the device from your computer.
3. Select Uninstall and follow the onscreen directions.
4. Restart your computer.

NOTE:

It is important that you disconnect the device before restarting your

computer. Do not connect the device to your computer until after you have
reinstalled the software.

5. Start the Setup program for the device again.
6. Select Install.
7. Follow the onscreen instructions and also see

To install the software before

connecting the device (recommended)

.

To uninstall from a Macintosh computer
1.
Launch HP Device Manager.
2. Click Information and Settings.
3. Select Uninstall HP AiO Software from the pull-down menu.

Follow the onscreen instructions.

4. After the software is uninstalled, restart your computer.
5. To reinstall the software, insert the device Starter CD into your computer's CD-

ROM drive.

Uninstall and reinstall the software

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6. On the desktop, open the CD-ROM, and then double-click HP All-in-One Installer.
7. Follow the onscreen instructions and also see

To install the software before

connecting the device (recommended)

.

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Configure and manage