Owners Manual

Table Of Contents
 22. 
 
Alert! Previous attempts at booting this
system have failed at checkpoint [nnnn]. For
help in resolving this problem, please note
this checkpoint and contact Dell Technical
Support
 
CMOS checksum error
RTC 
,  BIOS 
CPU fan failure
 CPU 
System fan failure
 
Hard-disk drive failure
 POST
Keyboard failure
  
   
No boot device available
   
      
 

No timer tick interrupt
  motherboard 
NOTICE - Hard Drive SELF MONITORING SYSTEM has
reported that a parameter has exceeded its
normal operating range. Dell recommends that
you back up your data regularly. A parameter
out of range may or may not indicate a
potential hard drive problem
 S.M.A.R.T 
 WiFi

      WiFi  WiFi   WiFi
: ISPs  ()   / 

1. 
2. 
3.  
4.  30

5.  
6. 
7. 
 71