![](/images/new-backgrounds/1220849/220849147x1.webp)
Symptom | Call Center: | Repair Center: | Repair Center: |
| Suggestions | Likely Causes | Comments |
Memory |
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Out of memory | Delete temporary and | SDRAM module. |
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message appears. | unneeded files on drive C. | Motherboard. |
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| If using |
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| module, check HP Notebook |
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| web site to see if the module |
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| has been tested for use with |
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| this computer. |
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| Test the memory with the |
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Memory doesn’t | Use only | SDRAM module. |
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increase after | modules. |
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adding SDRAM. |
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Click/scroll button |
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General problems. | Check the pointing stick | Top case. |
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| settings in Control Panel. | Motherboard. |
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| Slide and hold the power |
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| button four seconds to reset |
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| the computer. |
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Audio |
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No sound is | Increase the sound volume | Top case. | Check operation using |
audible. | (Fn+UP ARROW, volume | Motherboard. | headphones or external |
| control, and software |
| speakers. |
| controls). |
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| Make sure sound is enabled |
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| software controls). |
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| Check for sound resource |
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| conflicts in Device Manager. |
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Sound does not | Check the settings in BIOS | Top case. | Check operation using an |
record. | Setup and software controls. | Motherboard. | external microphone. |
| Test the audio with |
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Feedback from | Reduce the volume. |
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speakers. | In the Volume Control, click |
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| Options, Properties, and |
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| select the microphone option |
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| for the playback settings. |
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| Make sure the microphone is |
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| muted. |
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Serial/Parallel |
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General problems. | Check connections. | Motherboard. | Use a |
| Check settings in BIOS | Expansion base. | when testing the serial or |
| Setup and Control Panel. |
| parallel |
| Test ports with the |
| page |
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| HP Omnibook 500 |