compaq evo notebook n1050v series User Manual

 
Using a BIOS Floppy Disk 
If you do not have a BIOS floppy disk, download the package from the Partnership Web site (see page 
vi) under Product Support Information in the Service and Support Library. Follow the instructions for 
creating the BIOS floppy disk. 
 
Caution 
Make sure to use the correct BIOS floppy disk for the notebook model you are repairing. The 
program does not verify the notebook model, so you could accidentally install the wrong BIOS. 
 
1. 
2. 
Insert the BIOS floppy disk in the...

 
Removing Other Components 
(Authorized Service Providers Only) 
Required Equipment 
• #0 and #1 Phillips screwdrivers. 
• Small flat-blade screwdriver. 
Removal Procedure 
1. 
2. 
Unplug the AC adapter, if present, and remove the battery. 
Remove the assemblies and follow the additional steps listed in the table below. 
Table 2-5. Removing Components 
Component Removal Procedure Additional Steps 
Battery, CMOS  Keyboard cover 
(page 2-10). 
Speaker (page 2-12). 
Switchboard PCA 
(page 2-13). 
Keyboard...

 
Component Removal Procedure Additional Steps 
Guide, HDD Keyboard cover 
(page 2-10). 
Speaker (page 2-12). 
Switchboard PCA 
(page 2-13). 
Keyboard (page 2-13). 
CD/DVD (page 2-16). 
Display (page 2-17). 
Top case (page 2-20). 
When replacing the HDD guide, make sure you only 
replace the two right screws. Do not replace the two left 
screws. 
Heatsink (with fan) See page 2-26.  
Keyboard See page 2-13.  
Panel, wireless Keyboard cover 
(page 2-10). 
Speaker (page 2-12). 
Switchboard PCA 
(page 2-13)....

 
3 
Troubleshooting and Diagnostics 
This chapter includes troubleshooting and diagnostic information for testing the functionality of the 
notebook, and for identifying faulty components: 
• ASP support information 
• Troubleshooting information 
! Checking for customer abuse (page 3-3). 
! Troubleshooting the problem (page 3-3). 
! Verifying the repair (page 3-4). 
! Suggestions for troubleshooting (page 3-5). 
• Diagnostic tools 
! e-Diagtools diagnostic program (page 3-18). 
! Power-on self-test...

 
Troubleshooting 
The suggestions in this section can help isolate and repair the cause of a problem. To ensure quality 
repair, follow the basic troubleshooting steps shown below. 
  
 
Check the customer’s description
of the problem and any supporting
information.
Try to duplicate the customer’s
problem.
Troubleshoot the problem using:
  - Diagnostic tools.
  - Troubleshooting suggestions.
Verify the repair by testing the
functionality of the complete unit.
Check for customer abuse.
 
Figure 3-1....

 
Checking for Customer Abuse 
Some notebooks might appear to have been damaged by customer abuse. Use these guidelines to help 
determine if this is the case: 
• If the shipping box is seriously damaged, customer abuse cannot be declared. 
• If the damage could have a cause other than customer abuse, customer abuse cannot be declared. 
• If the notebook shows any of the following, customer abuse is declared: 
! Missing parts. 
! Broken plastic parts. 
! Parts not original to the notebook. 
! Damaged or...

 
Swapping modules that might be defective with others known to be good is generally an ideal way to 
find the module responsible for the problem. A failure symptom is rarely caused by more than one 
module, so you will not usually need to replace more than one to correct a particular failure. 
After you replace a module, the notebook will normally be in a confused state and lock up when you 
apply power. If this happens, press the reset button: this turns the notebook off, so that you can restart 
it in...

 
Suggestions for Troubleshooting 
 Table 3-2. Scope of Diagnostic Tools 
Function e-Diagtools 
Power-On 
Self-Test 
Sycard 
PCCtest 450 
WMI/ 
Toptools 
(if installed) BIOS Setup 
Bootup  Tests  Describes Configures 
Processor  Tests  Describes  
Memory Tests Tests  Describes Describes 
Fan Tests     
Batteries  Tests (CMOS 
battery only) 
 Describes  
Display Tests   Describes Configures 
Hard disk Tests Tests  Describes Configures 
Floppy drive Tests* Tests  Describes Configures 
Keyboard Tests Tests...

 
If you cannot isolate the cause of a problem using the above diagnostic tools, use the suggestions in the 
following table to help find the problem. 
Table 3-3. Troubleshooting Suggestions 
Symptom 
Call Center: 
Suggestions 
Repair Center: 
Likely Causes 
Repair Center: 
Comments 
To help determine likely causes of a problem, determine which replaceable modules are involved in the system 
function and what roles they play: see the figure on page 1-27 and the table on page 1-28. 
Startup    
Does not...

 
Symptom 
Call Center: 
Suggestions 
Repair Center: 
Likely Causes 
Repair Center: 
Comments 
Sluggish startup or 
shutdown. 
Use Tools tab in disk’s 
Properties sheet to check 
hard disk. Use Disk 
Defragmenter to optimize 
hard disk. 
Delete temporary and 
unneeded files. 
Hard drive.  
Error message such 
as “Invalid system 
disk” or “Auto IDE 
error”. 
Check for disk in floppy drive. 
Check boot order in BIOS 
Setup. 
Remove and reinstall hard 
drive. 
Hard drive contacts. 
Hard drive. 
If notebook...