XO Troubleshooting Guide: Difference between revisions
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''Still very much a work in progress!! Feel free to add'' |
''Still very much a work in progress!! Feel free to add'' |
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=Start Here= |
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=Problems powering on= |
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==[[XO_Troubleshooting_PowerOn|Problems powering on]]== |
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If you are having problems turning on your XO, see [[XO_Troubleshooting_PowerOn|Troubleshooting Power On]]. |
If you are having problems turning on your XO, see [[XO_Troubleshooting_PowerOn|Troubleshooting Power On]]. |
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==Display problems== |
==[[XO_Troubleshooting_Display|Display problems]]== |
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If you are having problems with the display on an XO laptop, see the [[XO_Troubleshooting_Display|Display diagnosis section]]. |
If you are having problems with the display on an XO laptop, see the [[XO_Troubleshooting_Display|Display diagnosis section]]. |
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=[[XO_Troubleshooting_Battery|Power and Battery problems]]== |
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If you are having problems such as: |
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* the battery is not charging |
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* the battery is suddenly loosing charge |
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* the power adapter isn't working |
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See the [[XO_Troubleshooting_Battery|Power and Battery diagnosis section]] |
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==[[XO_Troubleshooting_AV|Audio and Camera problems]]== |
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==USB problems== |
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==Power and Battery problems== |
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==[[XO_Troubleshooting_USB|USB problems]]== |
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=Power and Battery problems= |
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==The laptop won't run using the battery== |
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==The laptop won't run using the power adapter== |
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==The laptop emits a high pitched whine when using the power adapter== |
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==The laptop can't charge the battery== |
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# Indication: The charging led is burning yellow and never goes green. |
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# Debug: |
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## check if battery connector in the chassis has 7 volts. |
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## check if battery connector on the motherboard has 7 volts. |
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(Garbled text here!) < < < < < < < < |
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## If the has If This is due to a loose cable / connector. Check wiring and connectors st |
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# fixes: |
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## bewing pins in the connectors |
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## resolder / replace wires |
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=Common Procedures= |
=Common Procedures= |
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The following are common debugging and test procedures: |
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==Rebooting the Embedded Controller== |
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See [[XO Full Reset]]. |
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==Boot options== |
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* [[Disassembly|'''Disassembly Guide''']] |
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* [[XO Full Reset|'''Rebooting the Embedded Controller''']] - This completely resets a laptop |
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* [[Fix_Clock|'''Fixing an RTC problem''']] - Fix laptops which can't boot due to reset RTC time. |
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[[Category: Repair]] |
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===Hardware Self-Test=== |
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[[Category: Hardware]] |
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[[Category: Developers]] |
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Revision as of 05:34, 16 June 2008
This is a troubleshooting guide for the XO laptop. It is geared toward troubleshooting production units running firmware version Q2D03 or greater.
Still very much a work in progress!! Feel free to add
Start Here
Problems powering on
If you are having problems turning on your XO, see Troubleshooting Power On.
Display problems
If you are having problems with the display on an XO laptop, see the Display diagnosis section.
Power and Battery problems=
If you are having problems such as:
- the battery is not charging
- the battery is suddenly loosing charge
- the power adapter isn't working
See the Power and Battery diagnosis section
Audio and Camera problems
If you are having problems with the audio (microphone, speakers, headphones, or microphone input) or camera on an XO laptop, see the AV diagnosis section.
Keyboard and Touchpad problems
If you are having problems with the keyboard or touchpad on an XO laptop, see the Keyboard diagnosis section.
USB problems
If you are having problems with the USB interfaces on an XO laptop, see the USB diagnosis section.
Common Procedures
The following are common debugging and test procedures:
- Disassembly Guide
- Rebooting the Embedded Controller - This completely resets a laptop
- A Hardware Self-Test is included in the XO laptop.
- Boot options - Different boot options are available through pressing buttons around the screen during the initial boot process (immediately after pressing the power button). A sampling (more at Cheat codes):
- '✓' (check) game pad key: forces a more detailed display while booting. See Startup Diagnosis for more details. This is useful for debugging activation problems.
- 'O' game pad key: alternate between the current boot image and a previous one. In laptops which have never been upgraded, there is no previous boot image to use.
- Rocker left: invoke hardware self-test.
- Fixing an RTC problem - Fix laptops which can't boot due to reset RTC time.