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| Repair Center: |
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| Repair Center: |
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Symptom |
| Suggestions |
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| Likely Causes |
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| Comments |
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Wireless |
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General problems. |
| Check TCP/IP setup in |
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| Make sure all cables are |
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| Control Panel. |
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| Antenna PCAs. |
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| properly connected to mini- |
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| Check SSID, channel, and |
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| Motherboard. |
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| PCI card and motherboard. |
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| encryption settings. |
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| Check for damaged coaxial |
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| cables or connectors. |
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problems |
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Buttons not working |
| Make sure correct |
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| Keyboard cover. |
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properly. |
| applications are associated |
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| Switchboard PCA. |
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| with buttons in |
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| Motherboard. |
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| tab of Keyboard in Control |
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| Panel. |
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| Make sure Onscreen Display |
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does not appear |
| is enabled in |
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when button is |
| of Keyboard in Control Panel. |
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pressed. |
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PCMCIA |
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General problems. |
| Restart notebook. |
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| PCMCIA socket. |
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| Using a flashlight, look for |
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| Try card in another computer. |
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| Motherboard. |
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| bent pins inside the PCMCIA |
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| If card requires an IRQ, make |
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| socket. |
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| For model XE4500, if only |
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| sure one is available. |
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| In Device Manager, refresh |
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| one slot is affected, replace |
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| PCMCIA socket. If both slots |
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| device list and check for |
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| are affected, replace |
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| conflicts. |
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| motherboard. |
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| Download current drivers |
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| from card manufacturer’s |
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| Web site. |
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AC adapter |
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Does not power |
| Make sure AC adapter has |
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| AC adapter. |
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| AC adapter cannot be |
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notebook. |
| correct power rating. |
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| Motherboard. |
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| repaired and must be |
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| Try another AC adapter, if |
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| replaced. |
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| available. |
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Motherboard |
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Evidence of spilled |
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| Declared to be caused by |
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liquid. |
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| customer abuse. |
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Bent or broken |
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| Declared to be caused by |
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connectors, or burnt |
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| customer abuse. |
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component. |
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Motherboard |
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| Declared to be caused by |
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cracked. |
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| customer abuse. |
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Miscellaneous |
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Clock loses time |
| Plug in AC adapter for 24 |
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| CMOS battery. |
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| Charge CMOS battery. |
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| hours to charge CMOS |
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| Motherboard. |
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| battery. |
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Notebook gets |
| Always set notebook on a flat |
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| Heatsink. |
| Check heatsink for damage |
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abnormally hot. |
| surface, so air can flow freely |
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| or proper fan operation. |
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| around and underneath it |
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| Check thermal contact |
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| Make sure air vents are not |
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| between CPU and heatsink. |
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| blocked. |
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| Replace thermal pad if |
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| Games and other programs |
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| needed. |
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| that drive CPU usage toward |
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| 100% can contribute. |
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Service Manual |