compaq armada e500 v300 User Manual
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2-28Troubleshooting COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED Writer: David Calvert Saved by: JAbercrombie Saved date: 07/06/00 3:56 PM Part Number: 128679-004 File name: Ch02 Table 2-15 Solving Modem Problems Problem Possible Cause Solution Modem loses connection.The cable connection from the phone line to the modem is loose.Check to make sure the telephone cable is properly connected. Call Waiting has not been disabled.Disable Call Waiting: 1. Select Start Setting Control Panel select Modems. 2. From the General tab of the Modems Properties page, select Dialing Properties. From the My Locations tab of the Dialing Properties page, check the box labeled This location has call waiting. Select *70, 70#, or 1170 from the drop-down list to disable call waiting. There is noise or excessive traffic on the phone line.Try connecting at a later time. Modem not respondingModem is not set up correctly in system BIOS.Check the computer BIOS setup. If it requires specific settings for modems, be sure that they have been enabled. Continued
Troubleshooting2-29 COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED Writer: David Calvert Saved by: JAbercrombie Saved date: 07/06/00 3:56 PM Part Number: 128679-004 File name: Ch02 Table 2-15 continued Problem Possible Cause Solution Modem does not dial correctly.Telephone number is not entered correctly in the modem’s dialing software.Make sure the telephone number you dialed is correct if you are using the dialing directory or the terminal mode. Dial 1 if using dialing long distance. The other line could be busy or not answering. Make sure call waiting is disabled. The modem may not recognize an international dial tone. Try the ATX3DT command and the telephone number. Characters are garbled/transfer rates are slow. There is noise in the telephone line.Check your telephone and modem cable connections. If they are a little loose, they can cause noise on the line. Check with your local telephone company for a phone line filter. Continued
2-30Troubleshooting COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED Writer: David Calvert Saved by: JAbercrombie Saved date: 07/06/00 3:56 PM Part Number: 128679-004 File name: Ch02 Table 2-15 continued Problem Possible Cause Solution Phone line noise causing a disconnection.Hang-up Delay S Register (S10) set too low.Change S10 default to 150. To set S10=150: 1. Select Start Programs Accessories HyperTerminal, then go to Command Mode. 2. Type ATS10=150 and press Enter. This command causes the modem to take longer to disconnect even if there is noise on the line. No dial tone Phone service is not connected to the telephone wall jack.Verify that service from the local phone company by following these steps: 1. Unplug the telephone cable from the telephone wall jack. 2. Connect a telephone to the jack, pick up the handset, and listen for a dial tone. If there is a dial tone, reconnect the modem to the telephone wall jack with the telephone cable and make sure all connections are secure. 3. If there is still no dial tone, contact your local phone company or building manager. Continued
Troubleshooting2-31 COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED Writer: David Calvert Saved by: JAbercrombie Saved date: 07/06/00 3:56 PM Part Number: 128679-004 File name: Ch02 Table 2-15 continued Problem Possible Cause Solution No dial tone (continued)The modem is not responding to commands from the computer keyboard.Verify the modem and computer are connected: 1. Select Start Programs Accessories HyperTerminal, then go to Terminal Mode. 2. Type AT and press the Enter key. If the modem displays OK, the modem and computer are working together. If the modem displays ERROR, or does not respond, restart the computer and repeat step 1. 3. Type ATDT and listen for dial tone. 4. Type ATH0 to hang up. Modem does not connect at highest speed.Line conditions in your area or in the area you are calling may not support the highest connect speeds.Have your telephone line checked by your local telephone service provider. Try dialing an alternate telephone number for the service you are using. Another device on your telephone line may be causing interference.Hang up an extension telephone and disconnect any other devices that may be using the same telephone line, then redial. Continued
2-32Troubleshooting COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED Writer: David Calvert Saved by: JAbercrombie Saved date: 07/06/00 3:56 PM Part Number: 128679-004 File name: Ch02 Table 2-15 continued Problem Possible Cause Solution Modem does not connect at highest speed (continued).The service or site called does not support 56K or supports an incompatible 56K implementation.An internal modem supports K56flex. To find an Internet service provider (ISP) that supports K56flex, go to the Compaq Web site at www.compaq.com. There is noise on the telephone line.The 56K protocol of an internal modem will fall back to lower speeds if the telephone line is too noisy for a high-speed connection. Try using another telephone line. Change the Hang-up Delay S Register: 1. Select Start Programs Accessories HyperTerminal. 2. Go to Command Mode, type ATS10=150, then press Enter. NOTE: This command causes the modem to take longer to disconnect even if there is no noise on the line. The telephone line does not support 56K implementation.The 56K protocol requires that the telephone line contain no more than one analog-to-digital conversion. Try connecting from an alternate site.
Troubleshooting2-33 COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED Writer: David Calvert Saved by: JAbercrombie Saved date: 07/06/00 3:56 PM Part Number: 128679-004 File name: Ch02 Table 2-16 Solving PC Card Problems Problem Possible Cause Solution Computer does not beep when a PC Card is inserted.PC Card is not inserted properly.Try reinserting the card. Ensure that the PC Card is inserted in the correct orientation. Insert the card gently to prevent damage to the pins. Speakers are turned off or volume is turned down.Adjust the volume control on the computer. PC Card or card driver is not PCMCIA compliant.Check the list of PC Cards tested successfully in Compaq PC Card platforms. Computer beeps only once when a PC Card is inserted.The computer beeps once to indicate that a PC Card is recognized but not properly configured.Before a new PC Card can be used, it may be necessary to perform an initial setup procedure. Follow the PC Card manufacturers instructions for formatting a hard drive card or installing PC Card-specific drivers for a network card. Network PC Card does not work.Necessary drivers are not installed (turned on).Refer to the instructions that came with the PC Card or contact the vendor for information on installing the correct drivers. PC Card is not fully inserted or is upside down.Ensure the PC Card is inserted correctly. Continued
2-34Troubleshooting COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED Writer: David Calvert Saved by: JAbercrombie Saved date: 07/06/00 3:56 PM Part Number: 128679-004 File name: Ch02 Table 2-16 continued Problem Possible Cause Solution Network PC Card does not work (continued).Network PC Card or driver is not PCMCIA compliant.Check the list of PC Cards tested successfully in Compaq PC Card platforms. Storage PC Card does not work.SRAM and flash memory PC Cards require the memory card driver to be loaded.Memory cards can only be accessed using DOS real mode drivers. You are trying to access the storage PC Card using the wrong drive letter.If you are running Windows 95, change the drive letter assignment in Device Manager If you are running Windows NT 4.0, change the drive letter assignment through the Control Panel. The PC Card is not formatted.For memory cards, run MCFORMAT in MS-DOS Mode to format the PC Card. For ATA cards, run ATAINIT, then run MCFORMAT in MS-DOS Mode to format the PC Card. The card is not supported.Check the list of PC Cards tested successfully in Compaq PC Card platforms. Storage cards, such as SRAM, do not work in the expansion base.Use the storage card in the computer.
Troubleshooting2-35 COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED Writer: David Calvert Saved by: JAbercrombie Saved date: 07/06/00 3:56 PM Part Number: 128679-004 File name: Ch02 Table 2-17 Solving Power Problems Problem Possible Cause Solution Computer will not turn on.Battery is discharged and computer is not connected to a power source.Charge the battery pack. Replace the battery pack. Connect the computer to an external power source. Battery is discharged and cables to the external power source are unplugged. Ensure that cables connecting the computer and the external power source are plugged in properly. Computer turned off while it was left unattended. Computer initiated because of a critical low battery condition.Charge the battery pack. Replace the battery pack. Connect the computer to an external power source. The computer initiated Hibernation after a user-defined timeout expired. Turn on the computer.
2-36Troubleshooting COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED Writer: David Calvert Saved by: JAbercrombie Saved date: 07/06/00 3:56 PM Part Number: 128679-004 File name: Ch02 Table 2-18 Solving Screen Problems Problem Possible Cause Solution Characters on computer display are dim. Computer is in direct light. The brightness control is not set properly. Move the computer or adjust the screen. Adjust the brightnesscontrol by pressing the Fn+F10 hotkeys. You may have a screen saver or screen blanking utility installed. Press any key to refresh the screen. Screen timeout was initiated. Press any key to light the screen. System initiated Suspend after a user-defined timeout expired. Press the suspend button to exit Suspend. Computer initiated a low battery Suspend or Hibernation.Replace the battery pack and exit Suspend or Hibernation. Connect the computer to an external power source and exit Suspend or Hibernation. Continued
Troubleshooting2-37 COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED Writer: David Calvert Saved by: JAbercrombie Saved date: 07/06/00 3:56 PM Part Number: 128679-004 File name: Ch02 Table 2-18 continued Problem Possible Cause Solution Characters on computer display are dim (continued).Power Management, which controls Suspend and Hibernation, is disabled and the battery pack has discharged.Replace the battery pack and turn on the computer. Connect the computer to an external power source and turn on the computer. Computer screen is blank and external monitor displays information.Display was switched to the external monitor.Press Fn+F4 to display information on the computer screen; press Fn+F4 again to display information simultaneously on both screens. Display switch is stuck.Tap the switch. Fn+F4 hotkey combination does not switch between internal and external displays.CRT or other display device is not connected properly.Check your connections to ensure that an external device is connected properly.