Table
Blank screen (no video).
Cause | Solution |
|
|
Monitor settings in the computer are not compatible with the | 1. In Windows XP Control Panel, |
monitor. | icon and select the Settings tab. |
| In Windows 7 Control Panel, under Appearance and |
| Personalization, select Adjust screen resolution. |
| 2. Use the sliding control to reset the resolution. |
|
|
Monitor is configured to use an input that is not active. | Use the monitor's |
| input that is being driven by the system. Refer to the |
| monitor's user documentation for more information on the on- |
| screen controls and settings. |
|
|
Blank screen and the power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.)
Cause | Solution | |
|
|
|
1. | Reseat DIMMs. Power on the system. | |
| 2. | Replace DIMMs one at a time to isolate the faulty |
|
| module. |
| 3. | Replace |
| 4. | Replace the system board. |
|
|
|
Blank screen and the power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.)
Cause | Solution | |
|
| |
For systems with a graphics card: | ||
| 1. | Reseat the graphics card. Power on the system. |
| 2. | Replace the graphics card. |
| 3. | Replace the system board. |
For systems with integrated graphics, replace the system board.
Blank screen and the power LED flashes Red seven times, once every second, followed by a two second pause, and the computer beeps seven times. (Beeps stop after fifth iteration but LEDs continue flashing.)
Cause | Solution |
|
|
System board failure (ROM detected failure prior to video). | Replace the system board. |
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266 Chapter 10 Troubleshooting Without Diagnostics