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Linda ColonSep 14, 2025
What does 'Non system disk error' mean on my HP PAVILION 733.UK?
- Ddonald43Sep 14, 2025The PC is trying to start the operating system from the diskette drive. Press the Eject button and remove the diskette from the drive. 

What does 'Non system disk error' mean on my HP PAVILION 733.UK?
The PC is trying to start the operating system from the diskette drive. Press the Eject button and remove the diskette from the drive.
Why does my HP Desktop have no sound?
If your HP Desktop PC isn't producing any sound, check the speaker connections and ensure the speakers are powered on if they have a power button. Remove any headphone connections. Use the keyboard controls or the Volume icon on the taskbar to increase the volume and ensure the mute feature is off.
How to troubleshoot a non-working keyboard on HP PAVILION 733.UK Desktop?
If your HP Desktop PC keyboard isn't working, and the PC beeps or nothing happens when you press keys, the keyboard might be improperly connected. For PS/2 keyboards, ensure the cable connector pins are straight and that the keyboard is connected to the keyboard port, not the mouse port. If needed, turn off the PC, reconnect the cables, and turn it back on. You can also try restarting the PC.
How to fix internet connection issues on HP Desktop?
If you cannot connect to the internet with your HP Desktop PC, verify that your Internet Service Provider (ISP) account is set up correctly by contacting your ISP. Reconnect the modem, ensuring the modem cable is connected to both the PC modem connector and the telephone service line jack. Also, make sure the web browser is installed and set up to work with your ISP.
What does 'Invalid Media error' mean on my HP PAVILION 733.UK?
The PC is trying to start the operating system from the hp cd-writer drive. Press the Eject button immediately after turning on the PC and remove the CD from the drive.
What does 'Invalid Media error' mean on HP Desktop?
The 'Invalid Media error' message on your HP Desktop means the PC is trying to start the operating system from the CD-Writer Plus drive. Press the Eject button immediately after turning on the PC and remove the CD from the drive.
What to do if the mouse doesn't work on my HP Desktop?
If your HP Desktop PC mouse isn't working, it might be improperly connected. For PS/2 mice, check that the cable connector pins are straight and ensure the mouse is connected to the mouse port, not the keyboard port. If the pointer doesn’t move, clean the mouse. For optical mice, wipe the light sensor lens. For roller ball mice, remove the ball, clean it with a damp cloth, remove lint from the rollers, and then replace the ball. If the PC has stopped, reset it by holding the power button until it turns off, then turn it back on.
What to do if a new device won't work on my HP Desktop?
If a new printer or device isn't working with your HP Desktop PC, ensure you've installed the device drivers that came with it. You might need an updated driver for Windows XP.
What to do if my HP PAVILION 733.UK Desktop mouse doesn’t work?
If your HP Desktop mouse isn't working, and nothing happens when you move it, it might be improperly connected. For USB mice, ensure it's firmly connected to the USB port and try unplugging and replugging it. For non-USB mice, verify it's connected to the mouse port, not the keyboard port. To reconnect, turn the computer off, reconnect the cables, and turn it back on. If the pointer doesn't move, clean the mouse. For optical mice, wipe the light sensor lens. For roller ball mice: 1. Remove the mouse ball. 2. Clean the ball with a damp cloth. 3. Remove lint and dust from the rollers inside the housing. 4. Replace the ball and cover. If the computer has stopped, reset it by holding the power button until it turns off, then turn it back on.
Why my HP Desktop keyboard doesn’t work?
If your HP Desktop keyboard isn't working, and the PC beeps or nothing happens when pressing keys, it might be improperly connected. For USB keyboards, ensure it's firmly connected to the USB port, try unplugging and replugging it. For non-USB keyboards, verify it's connected to the keyboard port, not the mouse port. If needed, turn off the computer, reconnect the cables, and turn it back on. Restarting the computer may also resolve the issue.