Hardware Maintenance Manual
Page 34
...of an incompatible card • Improper disc insertion or use of an optical drive • Diskette drive damage caused by pressure on laptop products The following symptoms might indicate damage caused by nonwarranted activities: • Missing parts might be a symptom of unauthorized service or ...are not covered under warranty and some symptoms that might indicate that support the Lenovo ThinkVantage® Toolbox program and the PC-Doctor® for DOS diagnostics program. The use of non-ThinkPad products, prototype cards, or modified options can detect errors by repeating the ...
...of an incompatible card • Improper disc insertion or use of an optical drive • Diskette drive damage caused by pressure on laptop products The following symptoms might indicate damage caused by nonwarranted activities: • Missing parts might be a symptom of unauthorized service or ...are not covered under warranty and some symptoms that might indicate that support the Lenovo ThinkVantage® Toolbox program and the PC-Doctor® for DOS diagnostics program. The use of non-ThinkPad products, prototype cards, or modified options can detect errors by repeating the ...