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Symptom | Call Center: | Repair Center: | Repair Center: |
| Suggestions | Likely Causes | Comments |
USB |
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General problems. | Check connections. | Motherboard. | Use a |
| Try one device at a time. | Expansion base. | when testing the serial or |
| Check settings in BIOS |
| parallel |
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| page | |
| Setup and Control Panel. |
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| Test ports with the |
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| Check for latest versions of |
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| drivers. |
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| If the device is powered by |
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| the USB port, try different |
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| ports: if the device works in |
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| all but one port, replace the |
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| module containing that port. |
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Modem |
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General problems. | Check all cables and |
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| connections. If possible, |
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| connect directly to a wall | Motherboard. |
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| jack. Check line quality. |
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| In Control Panel, open |
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| Modems (Windows 98) or |
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| Phone and Modem Options |
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| (Windows 2000). Make sure |
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| the parity, speed, word |
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| length, and stop bits match |
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| on sending and receiving |
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| modems. |
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| Open the hardware Device |
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| Manager. If the modem is |
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| disabled, try to enable it. If it |
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| has a conflict, try disabling |
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| another device. |
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| Use an analog telephone |
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| line, not a digital line. In a |
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| hotel, ask for a data line. |
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| Try disabling error correction |
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| and data compression. |
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LAN/Network |
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General problems. | Check all cables and |
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| connections. |
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| Try connecting a different | Motherboard. |
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| computer to the cable. |
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| Check settings in BIOS |
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| Setup and Control Panel. |
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| Make sure the LAN cable is |
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| Category 3, 4, or 5 for |
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| Category 5 for |
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| operation. Maximum cable |
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| length is 100 meters (330 |
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| feet). |
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| Run the LAN diagnostic |
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| then click Browse, and select |
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| the file C:\HP\DRIVERS |
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| \LAN\WINDIAG\SETUP.EXE. |
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HP Omnibook 500 | Troubleshooting and Diagnostics |