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| Call Center: |
| Repair Center: |
| Repair Center: |
Symptom |
| Suggestions |
| Likely Causes |
| Comments |
Notebook has short |
| Turn down display |
| Battery. |
| Battery capacity often |
operating time when |
| brightness. |
| Motherboard. |
| decreases after a year or |
on battery. |
| Check timeout settings in |
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| more. |
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| Power in Control Panel. |
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| Check power management |
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| settings in BIOS Setup. Try |
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| default settings. |
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| Battery gauge might need |
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| calibration. Run HP Battery |
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| Optimizer from Start menu. |
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| Certain applications can |
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| cause excess CPU and |
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| power usage. (User can get |
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| Intel Power Monitor from |
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| www.intel.com and monitor |
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| CPU load.) |
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| When playing DVD movies |
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| on battery power, use Power |
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| Options in Control Panel to |
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| select Portable/Laptop power |
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| scheme. |
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| When using applications with |
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| automatic save feature (such |
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| as MS Word), extend save |
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| time or disable to reduce hard |
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| disk access and power |
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| usage. |
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| PCMCIA card use can affect |
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| battery life. Some PCMCIA |
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| cards draw power even while |
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| not in use. |
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| Heavy modem use can affect |
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| battery operating time. |
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Turns off |
| Battery may be extremely |
| Battery. |
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immediately after |
| low. Plug in AC adapter or |
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turning on. |
| insert charged battery |
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Does not run on |
| Check battery and contacts. |
| Battery or contacts. |
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battery; empty |
| Try another battery if |
| Motherboard. |
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battery indication. |
| available. |
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Beeps repeatedly. |
| Notebook beeps repeatedly |
| Battery. |
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| when battery is low. Connect |
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| AC adapter or replace |
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| battery. |
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Battery does not |
| Make sure AC adapter has |
| Battery or contacts. |
| Check battery and AC |
charge. |
| correct power rating. |
| AC adapter. |
| adapter. |
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| Make sure AC adapter is |
| Motherboard. |
| Check heatsink. |
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| connected properly and |
| Heatsink. |
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| battery installed properly. |
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| Check battery contacts. If |
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| available, try another battery |
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| and AC adapter. |
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| Move notebook away from |
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| any nearby heat source. |
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| Unplug AC adapter and allow |
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| battery to cool. Check for |
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| blocked air vents. |
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Troubleshooting and Diagnostics | Service Manual |