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HP Omnibook Xe3 Gf Service Manual

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    							HP Omnibook XE3 (Technology Code GF)  Reference Information  5-1 
    5 
    Reference Information 
    This chapter includes the following reference information: 
    • Password removal policy. 
    • Display quality statement. 
    Password Removal Policy 
    If the user forgets the system password, the user calls HP Customer Care to determine the proper 
    removal procedure. The user must provide proof of ownership, and the notebook must be operated 
    during the procedure. 
    The password removal procedure is protected as HP Company Private information. There are a 
    restricted number of locations that can perform password removal. It may not be disclosed or 
    distributed outside those locations. 
    Password removal is strictly controlled. Hewlett-Packard and authorized support providers must 
    ensure with written evidence that the notebook being “cleansed” is actually in the possession of the 
    notebook’s actual and current owner. This requires a sales receipt showing the notebook serial number 
    and owner’s name, or a written statement from the owner attesting that he or she is the owner of the 
    notebook. The statement can be a fax copy of the document. The fact that the notebook is in the hands 
    of an HP representative on behalf of the customer is not evidence of ownership. In addition, HP will 
    not remove the password of a notebook for any non-owner, even if it is requested by law enforcement 
    agencies. If you receive such a request, you should notify management and HP Corporate Legal 
    immediately. (These requests may require a court order prior to our participation.) 
    Further, the entity removing the password must log the name, serial number, and date of the removal, 
    and file the written backup with the log. The log and backup are subject to standard record retention 
    process and review. 
    The final issue relating to removal of passwords is that HP cannot provide information to users that 
    would assist them in improperly removing a password and opening a notebook.  
    						
    							5-2  Reference Information  HP Omnibook XE3 (Technology Code GF) 
    Hewlett-Packard Display Quality Statement 
    TFT (Thin Film Transistor) display manufacturing is a highly precise but imperfect technology, and 
    manufacturers cannot produce large displays that are cosmetically perfect. Most, if not all, TFT 
    displays exhibit some level of cosmetic imperfection. These cosmetic imperfections may be visible to 
    the customer under varying display conditions, and can appear as bright, dim, or dark spots. This issue 
    is common across all vendors supplying TFT displays in their products and is not specific to the HP 
    notebook display. 
    HP notebook TFT displays meet or exceed all HP standards for cosmetic quality of TFT displays. HP 
    does not warrant that the displays will be free of cosmetic imperfections. TFT displays can have a 
    small number of cosmetic imperfections and still conform to HP’s cosmetic quality specifications. 
    Here are some guidelines for determining what action to take on customers’ complaints of cosmetic 
    imperfections in their TFT displays: 
    1.  View the notebook under the customer’s normal operating conditions. 
      This means that if the customer uses the notebook predominately in DOS, in Windows, or in some 
    other application or combination of applications, you should make the determination under those 
    same applications. Self test is not a normal operating condition and is not a sufficient tool for 
    interpreting display quality. 
    2.  Use the table below to determine whether the display should be considered for replacement. 
    These are the only conditions in this guideline that may call for a replacement due to a defect in 
    material or workmanship based on the HP Limited Warranty Statement. 
    3.  If a display is considered for replacement, make sure the customer understands that cosmetic 
    variations may also exist on the replacement display, and may require the customer to use a work-
    around to obscure the cosmetic imperfection. 
    4.  If the cosmetic imperfection does meet the standards outlined in the table below, but nonetheless 
    clearly obscures data or information in normal operating conditions with no work-around, then 
    consider replacing the display. (For example: a group of pixels obscures a character in a document 
    rendering the character difficult to interpret.) Work-arounds might include changing the 
    background color of the window; changing the display brightness; repositioning the window; 
    changing the font size or color, or changing display settings such as resolution. 
    5.  Displays with cosmetic imperfections that do not conform to the following conditions and tests 
    will not normally be considered for display replacement. The HP-responsible person working with 
    the customer should identify work-arounds that are reasonable and appropriate for that customer. 
    Customers who require a more perfect display solution, without bright or dim spots (pixels) 
    should consider switching to an HPA (High-Performance Addressing) display. 
    We expect that over time the industry will continue to produce displays with fewer inherent cosmetic 
    imperfections, and we will adjust our HP guidelines as these improvements are implemented.  
    						
    							HP Omnibook XE3 (Technology Code GF)  Reference Information  5-3 
      Table 5-1. XE3 TFT LCD Guidelines (13.3/14.1/15.0-in XGA, 15.0-in SXGA+) 
    Type of Imperfection Imperfections Not Allowed 
    Electrical Imperfections: 
    Bright dots 
    (a) 
    Dark dots (a) 
    • 7 or more single bright dots. 
    • 7 or more single dark dots. 
    • 9 or more total (bright and dark combined) defective dots. 
    • Any occurrence of multiple defective dots within 15 mm. 
    Mechanical Imperfections: 
    Discoloration 
    Polarizer bubbles, dents 
    (b), 
    scratches 
    • Any polarizer bubble, discoloration, or dent that is visible from at least 
    36 cm (14 in). 
    Definitions of imperfections: 
    a  A bright or dark dot is a subpixel (red, green, or blue dot) that is stuck on or off. 
    b  A polarizer dent or bubble is a light spot with a darker border that appears on a lighted display and does 
    not change size. In contrast, a polarizer scratch is a light line that is visible on a darker background and 
    does not change size. 
      
    						
    							 
     
     
    1. Product Information 
    2.  Removal and Replacement 
    3.  Troubleshooting and Diagnostics 
    4. Replaceable Parts 
    5. Reference Information 
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
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