Table 8-1  Troubleshooting steps for nonvolatile memory usage (continued)
Nonvolatile 
memory type Amount (Size)
Does this 
memory 
store 
customer 
data?
Does this 
memory 
retain data 
when power 
is removed?
What is the 
purpose of this 
memory?
How is data entered into this 
memory?
How is this memory write-
protected?
Camera (select 
products only)
64 kilobits No Yes Stores camera 
conguration 
and rmware.
Camera memory is 
programmed using a utility 
from the device manufacturer 
that can be run from 
Windows.
A utility must be used for 
writing data to this 
memory and is typically 
not made available to the 
public unless a rmware 
upgrade is necessary to 
address a unique issue.
Fingerprint reader 
(select products 
only)
512 KB ash Yes Yes Stores 
ngerprint 
templates.
Fingerprint reader memory is 
programmed by user 
enrollment in HP ProtectTools 
Security Manager.
Only a digitally signed 
application can make the 
call to write to the ash.
Questions and answers
Use this section to answer your questions about nonvolatile memory.
1. How can the BIOS settings be restored (returned to factory settings)?
IMPORTANT: The restore defaults feature does not securely erase any information on your hard drive. See 
question and answer 6 for steps to securely erase information.
The restore defaults feature does not reset the Custom Secure Boot keys. See question and answer 7 for 
information about resetting the keys.
a. Turn on or restart the computer, and then quickly press esc.
b. Select Main, and then select Apply Factory Defaults and Exit.
ENWW Questions and answers 57