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Maintenance & Service Guide
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Problem | Possible Solution |
Computer will not turn on | Ensure that the computer is connected to a working power source. |
Computer does not automatically display the date and time |
The real-time clock (RTC) battery may need to be replaced. See Removal and Replacement Procedures. |
Computer does not beep during POST | The speaker volume may have been turned down. Push the volume control buttons on the computer and adjust the volume or select the Volume option from the Control Panel. |
Computer powered off automatically | 1. The unit may be in Sleep. If
the amber light on the front bezel is on, then the unit is in Sleep. 2. The unit temperature may have been exceeded. Check the fan for function and blockage. |
Problem | Possible Solution |
Diskette drive light stays on | 1. Diskette may be damaged. From the Windows desktop, click on the Start button. Choose Programs=>Accessories=> System Tools=>Scandisk to check for problems. 2. Diskette may be installed incorrectly. Remove the diskette and reinsert. 3. Software program may be damaged. Check the program diskettes. |
Diskette drive cannot write to a diskette | 1. Diskette is not formatted.
Format the diskette. 2. Diskette is write-protected. Either use another diskette that is not write-protected, or disable the write protection on the diskette. 3. Writing to the wrong drive. Check the drive letter in your path statement. 4. Not enough space is left on the diskette. Use another diskette to write the information. |
Diskette drive cannot read a diskette | 1. Diskette is not formatted.
Format the diskette. 2. Using the wrong diskette type for the drive type. Use a diskette that is compatible with the drive. 3. Reading the wrong drive. Check the drive letter in your path statement. 4. Diskette drive has been disabled by Setup. Run Setup and enable the diskette drive. |
Problem | Possible Solution |
Characters are dim | The brightness control is not set properly. Adjust the brightness control. |
Screen is blank | 1. A screen-blanking
(energy-saving) utility could be installed. Press any key. If the display reappears, you
have a screen-blanking utility installed. 2. The brightness needs adjusting. Adjust the brightness control. 3. Screen saver has been initiated. Press any key or move the mouse to light the screen. 4. System is in Sleep mode. Press the Sleep button to wake up. |
Garbled characters on the screen are mixed with text |
The ANSI.SYS driver is not in the
CONFIG.SYS file. Add the ANSI.SYS driver to the CONFIG.SYS file by inserting
the following line: DEVICE = C:\ANSI.SYS |
Monitor overheats | There is not enough ventilation space for proper airflow. Leave at least 3 inches (7.6 cm) of ventilation space. Also, be sure there is nothing on top of the monitor to obstruct airflow. |
Cursor will not move using the arrow keys on the numeric keypad |
1. The Num Lock key is on. Press
the Num Lock key. The Num Lock light should not be on when you want to use the arrow keys. 2. Possible application error. Restart the computer. |
Problem | Possible Solution |
Hard drive error occurs | Hard disk has bad sectors or has failed. Run Setup. Reformat the hard disk. |
Disk transaction problem | The directory structure is bad or
there is a problem with a file. From the Windows desktop, click on the Start button. Choose Programs=>Accessories => System Tools=>Scandisk to check for problems. If problems exist, run Scandisk and click on the "Automatically fix errors" checkbox at the bottom to correct the problems. If a large number of lost allocation units is found, click on the Start button. Choose Programs=> Accessories=>System Tools=>Disk Defragmenter. |
Drive not found | Cable could be loose. Check cable connections. |
Nonsystem disk message | 1. The system is trying to start
from a diskette that is not bootable. Remove the diskette from the diskette drive. 2. The system is trying to start from the hard drive but the hard disk has been damaged. Insert a bootable diskette into the diskette drive and restart the computer with Ctrl+Alt+Del. 3. Diskette boot has been disabled in Setup. Run Setup and enable diskette boot. |
Hard drive operation seems slow | The hard disk files may be
fragmented. From the Windows desktop, click on the Start button. Choose Programs =>Accessories è System Tools =>Scandisk to check for problems. If problems exist, run Scandisk and checkmark the "Automatically fix errors" box at the bottom to correct the problems. If a large number of lost allocation units is found, click on the Start button. Choose Programs => Accessories=>System Tools=> Disk Defragmenter. |
Hard drive activity light is not
on, or stays on without blinking |
The hard disk files may be
fragmented. From the Windows desktop, click on the Start button. Choose Programs=> Accessories => System Tools=>Scandisk to check for problems. If problems exist, run Scandisk and checkmark the "Automatically fix errors" box at the bottom to correct the problems. If a large number of lost allocation units is found, click on the Start button. Choose Programs=> Accessories => System Tools=>Disk Defragmenter. |
Problem | Possible Solution |
Cannot read compact disc | 1. CD is not properly seated in
the drive. Eject the CD, press down on the CD firmly to correctly seat it in the drive,
then reload. 2. CD has been loaded upside down. Eject the CD, turn it over, then reload. 3. CD may be dirty or scratched. Load another CD. |
Cannot eject compact disc | CD is not properly seated in the drive. Turn off the computer, insert a thin metal rod into the emergency eject hole, then push firmly (a straightened paper clip can be used). Slowly pull the tray out from the drive until the tray is fully extended, then remove the CD. |
CD drive devices are not detected; driver is not loaded | 1. CD drive is not connected
properly. Open the computer and check to see that the drive cable is connected properly. 2. Ensure the correct driver is installed in CONFIG.SYS. 3. If drive has been changed, make sure the jumper setting is set for "Slave." |
Problem | Possible Solution |
Cannot read DVD disk | 1. DVD or CD is not properly
seated in the drive. Eject the DVD or CD, press down on the DVD or CD firmly to correctly
seat it in the drive, then reload. 2. DVD or CD has been loaded upside down. Eject the disk, turn it over, then reload. 3. DVD or CD disk may be dirty or scratched. Load another DVD disk. |
DVD does not work in the DOS mode. | Proper drivers are not loaded. Restart the system and make sure the DVD drive drivers are loaded. |
Cannot eject DVD disk | 1. The system is in the Sleep
mode. Press the Power button to bring the system back to full power, then eject the DVD. 2. The DVD, diskette, or hard drive was active when attempting to eject the DVD. Wait until all drive activity ends (the CD/hard drive light and diskette drive light will go out), then try to eject the DVD. 3. DVD disk is not properly seated in the drive. Turn off the computer, insert a thin metal rod into the emergency eject hole (a straightened paper clip can be used), then push firmly. Slowly pull the tray out from the drive until the tray is fully extended, then remove the DVD disk. |
DVD drive devices are not detected; driver is not loaded | 1. DVD drive is not connected
properly. Open the computer and check to see that the drive cable is connected properly. 2. Ensure the correct driver is installed in CONFIG.SYS. 3. If drive has been changed, make sure the jumper setting is set for "Slave." |
Proper drivers are not loaded. | Restart the system and make sure the DVD drive drivers are loaded. |
Problem | Possible Solution |
USB device does not work with the system. | The USB device and the system may use different USB architectures. Ensure that the USB device and the system share the same USB architecture. (UHCI-compliant devices will only work with a UHCI-compliant system, and OHCI-compliant devices will only work with a OHCI-compliant system). |
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