Dell OptiPlex 170L Specifications download pdf (Page 134)



No sound from headphones



System Board Problems



Fill out the Diagnostics Checklist as you complete the following checks.



Video and Monitor Problems



Fill out the Diagnostics Checklist as you complete these checks.



l If the tests complete successfully, the controller is functioning properly.

l If the problem persists, or if the tests do not complete successfully, contact Dell.

Check for interrupt request conflicts — See "Resolving Software and Hardware Incompatibilities."

Check the headphone cable connection — Ensure that the headphone cable is securely inserted into the headphone connector.

Adjust the Windows volume control — Click or double-click the speaker icon in the lower-right corner of your screen. Ensure that the volume

is turned up and that the sound is not muted.

CAUTION: Before you begin this procedure, follow the safety instructions in the Product Information Guide.

Check the power supply cable connections —

1. Turn off the computer and devices, disconnect them from their electrical outlets, wait 10 to 20 seconds, and then remove the

computer cover.

2. Ensure that the power cables from the power supply are firmly connected to the connectors on the system board.

3. Replace the computer cover, reconnect the computer and devices to electrical outlets, and then turn them on.

Perform all checks in "Card Problems"

Perform all checks in "Keyboard Problems"

CAUTION: Before you begin this procedure, follow the safety instructions in the Product Information Guide.

Reinstall the battery

1. Turn off the computer and devices, disconnect them from their electrical outlets, wait 10 to 20 seconds, and then remove the

computer cover.

2. Remove the battery, wait 5 minutes, and then reinstall the battery.

3. Replace the computer cover, reconnect the computer and devices to electrical outlets, and then turn them on.

If the problem still exists, contact Dell.

CAUTION: Before you begin this procedure, follow the safety instructions in the Product Information Guide.

Replace the Memory Modules —

1. Turn off the computer and devices, disconnect them from their electrical outlets, wait 10 to 20 seconds, and then remove the

computer cover.

2. Replace the memory module(s).

3. Replace the computer cover, reconnect the computer and devices to electrical outlets, and then turn them on.

4. If the RAM count displayed does not correctly match the actual amount of memory installed in the computer, contact Dell.

1 2 ... 129 130 131 132 133 134 135 136 137 138 139 ... 142 143

No comments

Dell OptiPlex 170L Specifications Page 134