| CPU Upgrades and Windows NTLast reviewed: May 13, 1997Article ID: Q108321 | 
| The information in this article applies to: 
 
 SYMPTOMSYou may experience some problems when you upgrade your CPU on an existing Windows NT installation. 
 RESOLUTIONIn most cases there should be no issue in upgrading a CPU, though there can be problems with incompatibility after the upgrade, even with a system on the Hardware Compatibility List. Be sure to test any CPU upgrade thoroughly on each platform before you attempt a large-scale upgrade. If problems arise, you may need to contact your hardware vendor to upgrade a system board or to follow other procedures they may suggest. 
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| Additional query words: prodnt 
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