User Manual Part 1

User’s Manual 26
3.7.1 Performing a Warm Boot
To perform a warm boot to correct the computer when an application stop responding to the
system.
Caution:
The RAM will be reinitialized.
To perform a warm boot:
1. Press Reset button. Do not hold down any other keys or buttons.
2. PT-90 initializes the logo screen appears for about a minute.
3.7.2 Performing a Cold Boot
A cold boot restarts the PT-90 and all un-saved data will get lost. Only perform a cold boot if a
warm boot does not solve the problem.
Caution:
The RAM will be reinitialized.
To perform a cold boot:
1. Press the Reset and keys together. Do not hold down any other keys or buttons.
2. PT-90 initializes the logo screen appears for about a minute
3.7.3 Performing a Clean Boot
Perform a warm boot first. If the PT-90 still does not respond, perform a cold boot.
Perform a clean boot only if you want to reset PT-90 to factory default setting.
Caution:
All data will be lost. The Utility programs are also lost. We recommend that
copy 90Utility.cab to micro SD and insert into PT90, before perform a clean
boot. After clean boot, OS will install 90Utility.cab automatically from micro
SD.
To perform a clean boot in OS:
1. To perform a clean boot, select Start →
Settings → Control Panel, and then
double tap the System Information
icon.
2. Tap the Format partition check box in
Clean boot page and press Setting to
start clean boot.
3. The PT-90 logo window appears.
4. Reset to factory default setting.
To perform a clean boot using hotkey:
1. Cold boot and press hot key
(UP+ DOWN+SHIFT).
2. PT-90 initializes the logo screen appears
for about a minute
.
Figure 3-14 Clean Boot
Warm boot Cold boot Clean boot
Registry
Preserved Preserved Factory default
Flash Disk
Preserved Preserved Clean disk
RAM data
Reinitialized Reinitialized Reinitialized
RTC
Preserved Clean Clean