Mueller, Scott. <br/><br/>
Upgrading and repairing PCs / 
Scott Mueller. 
 - 20th ed. 
 - Indianapolis, IN :  Que,  c2012. 
 - x, 1081 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780789747105 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microcomputers -- Maintenance and repair.<br/>Microcomputers -- Equipment and supplies.<br/>Microcomputers -- Upgrading.