Lenovo NetVista (English) Quick reference guide - Page 38
POST beep codes, Description, Action, Beep pattern
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Code 162 or 0251 Description A change in device configuration occurred. Action Verify that: v All external devices are turned on. v All devices are properly installed and securely connected. 301, 303, 0211, A keyboard error has occurred. or 0212 If you cannot correct the problem, have the computer serviced. Verify that: v The keyboard is properly connected. v No keys on the keyboard are stuck. 0280 Previous startup was incomplete; the default configuration was used. If you cannot correct the problem, have the computer serviced. The previous POST was not completed successfully. POST loads default values and offers to run IBM Setup Utility. 860x (x=any A pointing device or mouse number) error has occurred. This error is cleared the next time the computer is turned on. Verify that the pointing device or mouse is securely attached. If you cannot correct the problem, have the computer serviced. POST beep codes Another way for POST to notify you of errors is through a series of audible beeps. A beep pattern represents a numeric value and provides further information about the location of a potential problem. The following are the most common POST beep codes that you might hear when starting your computer. Beep pattern 1-3-3-1 Description Action No on-screen message. Beeps Reseat the dual inline memory occur before video initialization. modules (DIMMs). If the problem persists, have the computer serviced. 24 NetVista™: Quick Reference