TROUBLE SHOOTING GUIDE HP Flat Panel Monitors - Troubleshooting Sound Problems with Monitor Speakers Low volume from monitor speakers No sound from monitor speakers Some monitors come with built-in speakers. If your monitor has built-in speakers, use this document to troubleshoot audio difficulties before troubleshooting the devices connected to the monitor. note: Not all monitors come with built-in speakers.
If the sounds are normal when using other software programs, the issue is with the software on the computer, and not the speakers in the monitor. If sound is missing from other software, continue using this procedure. 2. Check the cable connection. If the monitor-to-computer connection is a VGA cable (usually blue on both ends), an additional audio cable is needed between the monitor and the computer. Check that the audio cable is connected properly. 3.
7. If the previous steps did not resolve the issue, troubleshoot the audio coming from the computer. For more information, please read No Sound from Speakers in Windows 7, No Sound from Speakers in Windows Vista, or No Sound in Windows 98, ME, and XP. HP Flat Panel LCD Monitors - Monitor is Blank This document pertains to HP flat panel monitors. A monitor is connected to the computer but does not display anything.
With the monitor plugged in, press the power button on the monitor. There should be a power indicator light located on the monitor case. What happens to the light? If power light remains off when you press the power button, either the monitor is not receiving power or the monitor is defective. Check all of the following items before attempting to service or replace the monitor: o Make sure the power outlet has power and the power outlet matches the power rating for the monitor.
3. Connect another video cable to the computer and monitor. If possible use a different cable. For example, if your monitor has an HDMI connector and a DVI connector, use the other cable type if possible. If not, use a new cable of the same type. Continue to the next step. Step 4: Testing the video connection Turn on the computer. What happens? If the monitor works, one of the previous steps corrected the issue. You are done.
1. Once Windows opens to the desktop in Safe Mode, click Start, and Run. 2. In the Open field type msconfig and press Enter. The MS Configuration Utility window appears. 3. Click the Advanced button, and select VGA 640 x 480 x 16 if it is available. 4. Click OK and restart the computer. 5. After Windows opens, click Start, and then click Run. 6. In the Open field type msconfig and press Enter. 7. Click the Advanced button, and remove the checkmark next to VGA 640 x 480 x 16. 8. Click OK.
Step 4: Connecting the monitor to a different computer Using a different cable, connect the monitor to another computer that has video. Turn on the monitor and the newly connected computer. What happens? If the monitor works, the video hardware on the original computer is likely to be the source of the problems. You can try connecting the original computer to another monitor that works to update its video drivers. If the monitor remains blank, repair or replace the monitor.
To resolve this problem, make sure all of the following conditions are met: The video cable is capable of using HDCP (HDMI or DVI). When viewing from a computer, the display resolution is not set beyond 1920 x 1200. Another monitor or TV is not connected to the same device (computer, movie player, or game console). If your video system meets these requirements and your monitor is capable of using Auto-pivot, then use the following steps to fix this issue: 1.
3. Close the HP My Display window and view the movie. 4. Repeat these steps to re-enable Auto Pivot. HP and Compaq Desktop PCs - Black Border around Screen when Connecting through DVI or HDMI This document applies to desktop computers that have a DVI or HDMI connector. When you connect your monitor to the computer using a DVI or connector, the display might appear under-scanned, showing a black border around the image.
Disabling under-scan with NVIDIA Control Panel 1. Right-click an empty area of the desktop, and then click NVIDIA Control Panel. Figure : Open NVIDIA Control Panel 2. In the View Selection window that opens, select Advanced Settings, and then click OK. The NVIDIA Control Panel opens. 3. In Selecting a Task on the left, under Video & Television, click Resize HDTV desktop. A window opens.
4. Ensure that Do not resize my desktop is selected. If necessary, click this option to select it. 5. Click Apply, and then click Yes to keep the change. This completes the steps to disable under-scan. Changing scaling options with ATI Catalyst Control Center Follow these steps to change the scaling options with ATI Catalyst Control Center. 1. Right-click an empty area of the desktop, and then click Catalyst(TM) Control Center.
2. In the View Selection window that opens, select Advanced, and then click Next. 3. Click Yes to open the ATI Catalyst Control Center. 4. At the top of the window, click Graphics to open the drop-down list, then select Desktops & Displays. 5. Click the arrow in the corner of the display graphic, and then click Configure.
6. Under Scaling Options, make sure that Full Screen is selected. Then click OK. 7. Click Apply, and then click OK to keep the change. This completes the steps to disable under-scan. HP Flat Panel Monitors - 'Input out of Range' Error After a Recovery or Upgrading to Windows 7 This document applies to HP flat panel monitors with an HDMI port. An Input out of Range error displays on the monitor after upgrading to Windows 7 or performing a system recovery in Windows 7 using an HDMI connection.
A small dot is too bright or black Black or blank screen Fuzzy text, blurry or stretched images Screen flickers, unstable image Several colored horizontal or vertical lines in the display Screen is discolored A message displays about No signal or Signal out of range A message displays about Power Save, Sleep, or Suspend General troubleshooting tips for display quality issues This document addresses common display quality problems that can occur with flat panel LCD display.
To troubleshoot this problem, check the power to the display, test the video connection between the computer and the display to make sure it is connected correctly, and connect the display to a different computer. For specific steps, use the HP Flat Panel LCD Monitors - Monitor is Blank. Fuzzy text, blurry or stretched images Text is fuzzy, or objects are slightly blurry around the edges, stretched, and out of proportion.
Figure : Correct display Figure : Resolution too low - stretched image
Figure : Correct resolution note: If blurriness occurs only when using a software program such as a game, make sure that the resolution set in the game matches the display resolution.
To fix resolution problems, complete the following steps: 1. Restart the computer. If this does not resolve the issue, continue to the next step. 2. Press the Auto button on the front of the display to run Auto Adjustment. 3. Use the buttons on the front of the display to open the on-screen menu, and select Factory Reset or Default. If the display is still incorrect, continue to the next step. 4. Find the native resolution of the display.
8. After updating the video drivers, go back to Step 1 and try to change the display resolution again. note: If you cannot select the native resolution after updating the video drivers, the graphics adapter in the computer might not support that resolution and might need to be upgraded. If you updated the video drivers, set the correct display resolution, and the problem still occurs, continue to the next step. 9. If the computer connected to the display is using Windows 7, complete the following steps: 1.
1. To change the screen resolution and refresh rate settings in Windows, do the following: o In Windows 10 1. Right-click the desktop and click Display settings. 2. Under Customize your display, at the bottom, click Advanced display settings. 3. Under Related settings, click Display adapter properties. 4. Select the Monitor tab. 5. Under Screen refresh rate, select another refresh rate if available. 6. Click OK to save the changes. o In Windows 8 1. Press the Windows key + X key, and click Control Panel. 2.
4. Click Advanced settings, and then click the Monitor tab. 5. Select the Screen refresh rate that matches the default rate for your display (if it is not already selected). 6. Click OK, and click OK again. If you cannot select the native resolution, continue to the next step to update the drivers for the graphics adapter on the computer. 2. If you have an HP computer, update your video drivers from the HP website.
Several colored horizontal or vertical lines in the display Several vertical lines are shown on the display. Figure : Vertical lines in the display 1. Use the buttons on the front of the display to open the on-screen menu, and select Factory Reset or Default. If you need help using the on-screen menu, see the manual for your display. 2. Unplug the video cable between the computer and the display and check the ends for bent or broken pins. If any pins are damaged, replace the cable.
o o o Check for AMD video driver updates at AMD (in English). Check for S3 video driver updates at S3 Graphics (in English). Check for Intel video support and downloads, Intel Downloads (in English). 6. If updating the drivers does not correct the problem, the graphics adapter might be damaged. Typically, video cards are damaged by too much heat caused by an accumulation of dust around fan areas. Cleaning the components inside the computer, especially the graphic card, might correct this problem.
To fix incorrect colors, complete the following steps: 1. Check the video cable connections and make sure the connection is not loose. Tighten the connection screws if the connector is loose. 2. Press the Auto or Autoselect button on the display. 3. Press Menu, and select Factory Reset. If the screen is still discolored, continue to the next step. 4. If the display has more than one type of connection available such as VGA, DVI, or HDMI, try a different type of connection. 5.
To waken the computer, move the mouse or press the Spacebar. If the computer does not wake, press the Suspend button on the keyboard. You might need to press the Suspend button on the keyboard two times. If the computer still does not wake, press the Power button on the computer case for one second and release. For more information about these messages, see HP support document Flat Panel Monitor Displays Message About No Signal, Signal out of Range, Sleep, or Power Save.
If you have an HP computer, update your video drivers from the HP website. Otherwise you can get the latest updated video drivers from the video hardware manufacturers websites. The following list shows some of the video hardware websites: o o o o Check for NVIDIA video driver updates at NVIDIA (in English). Check for AMD video driver updates at AMD (in English). Check for S3 video driver updates at S3 Graphics (in English). Check for Intel video support and downloads, Intel Downloads (in English). 6.
... or similar. These messages are normal when the computer truly goes into sleep mode or loses the video signal (such as when the computer is turned off). However, if the monitor displays any of these messages when the computer should be displaying video, something is wrong.
3. Click Start , Control Panel, System and Security, and then click Power Options. 4. Click Change plan settings for the currently selected plan. 5. Change the settings to Never. 6. Click Save changes to accept the changes, and then restart the computer. o Windows Vista 1. Wait until the hard drive activity light on the computer is not lit and then press and hold the Power button on the computer case until the computer turns off. 2.
o o If the message opens after a software program is opened, such as when starting a game, the software is forcibly changing the display resolution to a mode that is not supported by the computer and monitor. Do not use the software or change its video settings. If the message opens after certain period of time when the computer is not in use, the problem is most likely being caused by a screen saver. Turn off the screen saver to see that the problem no longer continues.
The best possible resolution quality for your monitor is the native resolution. The native resolution setting for your model of monitor can be found in the Monitor User Guide, the monitor's product packaging, and product specifications. 1. Restart the computer and press F8 repeatedly after the first logo screen. 2. Select Enable Low Resolution Video (640 x 480) from the Advanced Options Menu. 3. Windows should open showing a Windows desktop in a resolution of 640 x 480.
graphics driver can provide more display resolutions to Windows; possibly including the native display resolution for the monitor. Check for NVIDIA video driver updates at the NVIDIA Web site (in English). Check for ATI video driver updates at the ATI Web site (in English). Check for S3 video driver updates at the S3 Graphics Web site (in English). Check for Intel video support and downloads at the Intel Downloads Web site (in English).
Turning off sleep or hibernate mode To bring the computer out of sleep mode, use the following steps: note: If you cannot wake the monitor, you may need to connect the computer to a different monitor to perform these steps. After performing these steps, reconnect the computer to the original monitor. 1. Move the mouse or press the Spacebar. 2. If the computer does not wake, press the keyboard Suspend button.
5. Change the settings to Never. 6. Click Save changes to accept the changes, and then restart the computer. o Windows XP 1. Wait until the hard drive activity light on the computer is not lit and then press and hold the Power button on the computer case until the computer turns off. 2. Wait 5 seconds and then turn on the computer by pressing the Power button again. 3. Click Start, then click Control Panel. 4. Double-click Power Options. 5. Select the Always on power scheme and set it to Never. 6.
