Rebooting After A Lockup; Recovering From A Loss Of Electrical Power - Compaq 12XL125 - Presario - K6-2 533 MHz Maintenance & Service Manual

Servicing the Notebook - Full Off Mode Servicing the Notebook - Full Off Mode
The Notebook must be turned off completely when installing or replacing components in The Notebook must be turned off completely when installing or replacing components in
the system. Follow the instructions for putting the Notebook into Off mode properly, the system. Follow the instructions for putting the Notebook into Off mode properly,
unplugging it from the outlet, and removing the battery (see Battery Pack Removal unplugging it from the outlet, and removing the battery (see Battery Pack Removal
Sequence). Sequence).

Rebooting After a Lockup

Rebooting After a Lockup
To reboot the Notebook (from a cold start) when the keyboard is frozen or the screen is To reboot the Notebook (from a cold start) when the keyboard is frozen or the screen is
locked, press and hold down the Power button for at least four seconds; this causes a locked, press and hold down the Power button for at least four seconds; this causes a
manual shutdown. Then, restart your Notebook with a single press of the Power button. manual shutdown. Then, restart your Notebook with a single press of the Power button.
If the Notebook still does not recover, press the Power button and hold for four seconds to If the Notebook still does not recover, press the Power button and hold for four seconds to
shut it down, then remove the battery or unplug the AC power for at least 30 seconds. shut it down, then remove the battery or unplug the AC power for at least 30 seconds.
Reinsert the battery or reconnect AC power and press the Power button once to reboot. Reinsert the battery or reconnect AC power and press the Power button once to reboot.

Recovering From a Loss of Electrical Power

Recovering From a Loss of Electrical Power
Loss of electrical power causes the Notebook to turn off automatically. This may cause loss Loss of electrical power causes the Notebook to turn off automatically. This may cause loss
of data because the Microsoft Windows operating system is not able to close all files and of data because the Microsoft Windows operating system is not able to close all files and
programs properly. programs properly.
Loss of power may be caused by one of the following: Loss of power may be caused by one of the following:
Electrical power service is interrupted. Electrical power service is interrupted.
• •
The power cord is accidentally disconnected. The power cord is accidentally disconnected.
• •
If power surges or sags, the display and status lights may flicker, and the Notebook may If power surges or sags, the display and status lights may flicker, and the Notebook may
automatically restart. If an improper shutdown occurs, ScanDisk, a Microsoft Windows automatically restart. If an improper shutdown occurs, ScanDisk, a Microsoft Windows
utility program, runs automatically once power is restored. ScanDisk determines if the utility program, runs automatically once power is restored. ScanDisk determines if the
improper shutdown caused any errors on the hard disk. These errors may occur if the improper shutdown caused any errors on the hard disk. These errors may occur if the
Microsoft Windows operating system is not able to close all files properly before the Microsoft Windows operating system is not able to close all files properly before the
shutdown. If no errors are found, the restart process continues. If ScanDisk does detect shutdown. If no errors are found, the restart process continues. If ScanDisk does detect
errors, follow the instructions on the screen to continue the restart process. Work that was errors, follow the instructions on the screen to continue the restart process. Work that was
not saved before the loss of power or shutdown may be lost. not saved before the loss of power or shutdown may be lost.
If a power failure occurs, or the power cord disconnects while the Notebook is turned on, If a power failure occurs, or the power cord disconnects while the Notebook is turned on,
turn it off until normal service is restored. The next time the Notebook is turned on, turn it off until normal service is restored. The next time the Notebook is turned on,
ScanDisk may run to check the hard disk for errors caused by improper shutdown. ScanDisk may run to check the hard disk for errors caused by improper shutdown.
10 B O
ATTERY PERATIONS
Presario 1200XL Series
Model XL300, XL300A, and XL300B
P
RESARIO
N M S
OTEBOOK AINTENANCE AND
1200XL S
ERVICE GUIDE ERIES