XO Troubleshooting Guide: Difference between revisions
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{{OLPC}}{{Translations}}__NOTOC__ |
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This is a troubleshooting guide for the [[Hardware_specification#Laptop_Hardware|XO laptop]]. |
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It is for troubleshooting production [[Hardware_specification#Laptop_Hardware|XO laptops]] running firmware version Q2D03 or greater. |
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''Still very much a work in progress!! Feel free to add'' |
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==[[XO_Troubleshooting_PowerOn|Problems powering on]]== |
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If you are having problems getting the XO to power on, see [[XO_Troubleshooting_PowerOn|Troubleshooting Power On]]. |
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==[[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]]. |
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==[[XO_Troubleshooting_Battery|Power and Battery problems]]== |
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See the [[XO_Troubleshooting_Battery|Power and Battery diagnosis section]] 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 laptop won't run from a power adapter |
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==[[XO_Troubleshooting_AV|Audio and Camera problems]]== |
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If you are having problems with the audio (microphone, speakers, headphones, or microphone input) or camera on an [[Hardware_specification#Laptop_Hardware|XO laptop]], see the [[XO_Troubleshooting_AV|AV diagnosis section]]. |
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==[[XO_Troubleshooting_Keyboard|Keyboard and Touchpad problems]]== |
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If you are having problems with the keyboard or touchpad on an XO laptop, see the [[XO_Troubleshooting_Keyboard|Keyboard diagnosis section]]. |
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==[[XO_Troubleshooting_USB|USB problems]]== |
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If you are having problems with the USB interfaces on an XO laptop, see the [[XO_Troubleshooting_USB|USB diagnosis section]]. |
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==Debugging Procedures== |
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The following are common debugging and test procedures: |
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* [[XO Full Reset|'''Rebooting the Embedded Controller''']] - This completely resets a laptop |
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* [[XO_Self_Test|'''A Hardware Self-Test''']] is included in the [[Hardware|XO laptop]]. |
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* [[Cheat codes|'''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]]): |
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** '✓' '''(check) game pad key:''' forces a more detailed display while booting. See [[XO_Troubleshooting_PowerOn#The_display_is_showing_an_XO_icon|Troubleshooting Power-On]] for more details. This is useful for debugging activation problems. |
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** '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. |
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** '''Rocker left:''' invoke [[XO_Self_Test|hardware self-test]]. |
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==Repair Procedures== |
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The following are common repair procedures: |
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* [[Disassembly|'''Disassembly Guide''']] |
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** [[Disassembly_top|Getting at the display and motherboard]] |
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** [[Disassembly_bottom|Replacing a keyboard/touchpad]] |
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* [[Activation_and_Developer_Keys|Getting a developer key for 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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* [[XO_Replacing_SPI_flash|'''Replacing the EC Flash''']] - Replacing the [[Embedded_controller|Embedded Controller]] Flash |
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* [[Fix_Clock#How_to_set_up_an_XO_as_a_serial_terminal|Turning an XO into a serial terminal]] |
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* [[XO_LiFePO4_Recovery_Procedure|Fixing LiFePO4 batteries that stop charging]] |
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* [[Hardware_Power_Domains|A detailed description of the laptop power circuitry]] |
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[[Category: Repair]] |
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[[Category: Hardware]] |
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[[Category: Developers]] |
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