Troubleshooting Guide
Page 13
... parts of ESD. Keep your computer and peripherals as far as certain portable desktop fans or air purifiers, can increase the risk of the computer, or through your computer... ions. Your computer is designed to function reliably in handling it poses the same risk of your ThinkPad computer Though your computer. Chapter 2. Taking care of a computer malfunction. v Some appliances, such... devices connected to facilitate safe electrostatic discharge. © Copyright Lenovo 2008 5 v Avoid subjecting your body or clothing to use and enjoyment out of suffocation from such...
... parts of ESD. Keep your computer and peripherals as far as certain portable desktop fans or air purifiers, can increase the risk of the computer, or through your computer... ions. Your computer is designed to function reliably in handling it poses the same risk of your ThinkPad computer Though your computer. Chapter 2. Taking care of a computer malfunction. v Some appliances, such... devices connected to facilitate safe electrostatic discharge. © Copyright Lenovo 2008 5 v Avoid subjecting your body or clothing to use and enjoyment out of suffocation from such...
Troubleshooting Guide
Page 28
... clock error 02D0: System cache error 02F4: EISA CMOS not writable 02F5: DMA test failed 02F6: Software NMI failed 02F7: Fail-safe timer NMI failed Fan error Thermal sensing error 20 ThinkPad® R500 Service and Troubleshooting Guide
... clock error 02D0: System cache error 02F4: EISA CMOS not writable 02F5: DMA test failed 02F6: Software NMI failed 02F7: Fail-safe timer NMI failed Fan error Thermal sensing error 20 ThinkPad® R500 Service and Troubleshooting Guide
Troubleshooting Guide
Page 34
... computer still enters sleep (standby) mode unexpectedly, the internal fan or other internal components. Connect the AC adapter to cool. If the computer still does not respond, remove and reinstall the AC adapter and the battery. Have the computer serviced. 26 ThinkPad® R500 Service and Troubleshooting Guide Make sure that the settings under...
... computer still enters sleep (standby) mode unexpectedly, the internal fan or other internal components. Connect the AC adapter to cool. If the computer still does not respond, remove and reinstall the AC adapter and the battery. Have the computer serviced. 26 ThinkPad® R500 Service and Troubleshooting Guide Make sure that the settings under...