Maintenance and Service Guide
Table Of Contents
- Computer features
- Illustrated parts catalog
- Routine care, SATA drive guidelines, and disassembly preparation
- Removal and replacement procedures
- Computer Setup (F10) Utility
- Troubleshooting without diagnostics
- Safety and comfort
- Before you call for technical support
- Helpful hints
- Solving general problems
- Solving power problems
- Solving hard drive problems
- Solving media card reader problems
- Solving display problems
- Solving audio problems
- Solving printer problems
- Solving keyboard and mouse problems
- Solving hardware installation problems
- Solving network problems
- Solving memory problems
- Solving CD-ROM and DVD problems
- Solving USB flash drive problems
- Solving front panel component problems
- Solving Internet access problems
- Solving software problems
- POST error messages
- Password security and resetting CMOS
- Using HP PC Hardware Diagnostics
- Backing up, restoring, and recovering
- Power cord set requirements
- Statement of memory volatility
- Specifications
- Index
Blurry video or requested resolution cannot be set.
Cause Solution
If the graphics controller was upgraded, the correct graphics
drivers may not be loaded.
Install the video drivers included in the upgrade kit.
Monitor is not capable of displaying requested resolution. Change requested resolution.
Graphics card is bad. Replace the graphics card.
The picture is broken up, rolls, jitters, or ashes.
Cause Solution
The monitor connections might be incomplete or the monitor
might be incorrectly adjusted.
1. Be sure the monitor cable is securely connected to the
computer.
2. In a two-monitor system or if another monitor is in close
proximity, be sure the monitors are not interfering with each
other’s electromagnetic eld by moving them apart.
3. Fluorescent lights or fans might be too close to the monitor.
Monitor needs to be degaussed. Degauss the monitor. See the documentation that came with the
monitor for instructions.
Image is not centered.
Cause Solution
Position may need adjustment. Press the monitor's Menu button to access the OSD menu. Select
ImageControl/ Horizontal Position or Vertical Position to adjust
the horizontal or vertical position of the image.
“No Connection, Check Signal Cable” displays on screen.
Cause Solution
Monitor video cable is disconnected. Connect the video cable between the monitor and computer.
IMPORTANT: Make sure that the computer power is o while
connecting the video cable.
“Out of Range” displays on screen.
Cause Solution
Video resolution and refresh rate are set higher than what the
monitor supports.
Restart the computer and enter Safe Mode. Change the settings to
a supported setting then restart the computer so that the new
settings take eect.
To enter Safe Mode in Windows 10:
1. Log in to the computer using an Administrator account.
84 Chapter 6 Troubleshooting without diagnostics