Samsung Q45 laptop computer troubleshooting, bios beep codes
LCD Related Troubles
The screen is dark or the colors of the screen are distorted.
* Check
the connection status between the LCD module and the LCD cable, between the LCD
cable and the main board LCD connector and between the LCD cable and the LCD
inverter.
* Replace
the LCD cable or LCD inverter.* Check
if there is a part of the LCD that is bent or broken due to impact.
No picture appears on
the screen.
* Check
the connection status between the LCD module and the LCD cable, between the LCD
cable and the main board LCD connector and between the LCD cable and the LCD
inverter.* Replace
the LCD cable or LCD inverter.* Check
if the System LED of the main board is blinking. (Check if it is operating or
not)* Check
if the memory module is out of order.* Check
if the Power button can be normally pressed.
The LCD brightness is
not adjusted.
* Check
if the LCD inverter is out of order.* Check
the BIOS version and check if the standard adapter is used.* Replace
the LCD cable or LCD inverter and check if it is out of order.
The LCD blinks while the
system is in operation.
* Check
if there is a magnetic body near the touch pad button or the system or check if
there is an exterior defect to the LCD or system.* Replace
the LCD cable or LCD inverter and check if it is out of order.* Check
if a standard adapter is being used (R20/R21:19V/3.16A/60W).
Main System Troubles
The system is not turned
off.
* Check
if the AC adapter LED is lit and if the adapter is properly connected to the
system.
(Check the adapter LED)* If
the AC adapter is not connected, check the charge status of the battery. Even
if the battery is charged, if the remaining battery charge is too low, the
system may not be turned on. (As the following figure shows, press the PUSH
button on the battery and check the remaining battery charge via the LEDs)* Check
if there are any alien substances in the Power switch. if have, change the LED.
Although system power is supplied, the system does not boot or
immediately turns off after being turned on.
* Since
this may be a short circuit in the system, disconnect the power immediately,
disassemble the system and check if there are any conducting alien objects such
as a screw inside.* Check
the connection status between the CPU and the RHE.* Replace
the memory module and check if it is out of order.* Reset
the RTC Reset terminal next to the memory socket.
Remove RTC cable from RTC connector.
Connect the
two pad of the cap for a while.
The Express card is not
inserted or the Eject button does not work.
* This
may occur when the insulator within the Express card slot is enwrapped.* Replace
the Express card slot frame and check if it is out of order.
There is no sound from
the speaker.
(Insert the figure of the audio jacks so that the reader can check via the
figure.)* Check
if the earphones or headphones are connected to the MIC jack of if there are
any alien substances in the jack.
* Check if the sound is muted after booting up Windows.* Check
the connection status of the speaker cable and check if the speaker is out of
order.* Check
if there is a magnetic object near the speaker.
Cannot hear sound through
the headphones.* Check
if the sound is muted in Windows.* Turn
the volume up.* Replace
the main board.
The external microphone
does not work normally.
* Check
the audio driver settings and change them if necessary.
Selecting the "1. Front panel microphone" option activates the
external MIC.
* Replace the main board
The HDD is not recognized.
* Check
the connection status of the HDD connector. fixup HDD, check whether the system
can be found. if not,change the connector on the motherboard and check again.
* If the 'Operating system not found' message appears during the
booting process even though the HDD is recognized by CMOS, the operating system
of the HDD may be corrupted or the HDD is out of order. In this case, format
the HDD and reinstall the operating system or replace the HDD with a new one.
The Touch Pad does not
work or is malfunctioning.
* Check
the connection status of the Touch Pad FFC.* Check
the connection status of the Touch Pad module.
* If there is no problem with the connections, replace any
suspicious parts and check if they are out of order.
The battery is not
charged or the battery charge LED malfunctions.
* Check
the standard voltage of the adapter.
* Check if the battery is defective.* Replace
the main board.
The LAN function does
not work.
* Check
if the LAN cable is properly connected.* Check
if the LAN driver is properly installed.* If
the driver is properly installed, check if the LAN cable jack is out of order.* Replace
the main board.
The USB function does
not work.
* Check
if the USB jack is out of order.* Replace
the main board.
The wireless LAN does
not work normally.* Check
if the WLAN slide switch is in the ON position.* Check
if the WLAN driver is properly installed.* Check
if the wireless LAN antenna cable is properly connected.
* Replace the main board.
The Fan does not work
normally
* Check
if the Thermal is locked tightly.* Check
if the Fan cable is properly connected.
When booting up the
computer
The "Invalid System
Disk. Replace the Disk and then press any key" message appears.
* This
message may appear when the connected USB memory or CD media does not include bootable
data.* The
"Reboot and Select the proper Boot device or Insert a bootable media in
the selected Boot device and press a key" message appears.* Check
if the signal and power cables are properly connected to the hard disk drive.
* Check if the hard disk drive is recognized in the BIOS SETUP.* The
operating system on the hard disk drive is corrupted. Reinstall Windows.
The "To enter BIOS
SETUP, press <F2>. To continue, press <F1>." message appears.
* This
may happen when the BIOS settings are different from the system environment. In
this case, setup the BIOS according to your system environment.* Press
<F2> to enter the BIOS SETUP.* Check
if the date and time are correct in the BIOS SETUP.* Save
the settings and restart the system.
The 'CMOS Checksum
error’ message appears.
* This
message may appear when the CMOS battery of the main board is completely
discharged.
In this case, replace the battery with a new one of the same type and set up
the BIOS SETUP according to your system environment.
Windows boots up in safe
mode.
* This
may happen when Windows was not shut down normally. Therefore, shut down the
system by selecting Start > Turn Off Computer.* This
may happen when the system settings have been incompletely recognized.* Run
Check Disk.
Cannot boot up the
computer with a USB floppy drive or from USB memory.* Check
if the diskette is bootable.* This
may happen when the booting priority of the device is low. In this case, change
the booting priority in the BIOS SETUP.
When shutting down the
computer
The computer is not shut
down
* If
Windows does not end normally, you can forcibly shut down the system by
pressing the Power button. If the power-saving feature is activated on the
Power button, press the Power button for more than 4 seconds to turn the
computer off. If the computer is then turned on again,
Check Disk is automatically run.
Windows / Screen Related
Problems
The computer hangs while
running a program.* If
the running program causes an error:
In Windows XP, press the <Ctrl>, <Alt> and <Del> key
combination, select the application program and click on End Task in the
Applications tab of the [Windows Task Manager] window.
In Windows 2000, press the <Ctrl>, <Alt> and <Del> key
combination, select the application program or an application that does not
respond and click on End Task in the [End Program] window.
* If Windows does not respond, restart the computer. Restart the
computer by pressing the Power button.
No picture is displayed on
the external monitor.* Press
the Switch LCD/CRT Monitor function key and check if the screen output is
output to another display device.* Check
if the hardware is out of order referring to the descriptions in the LCD related
section of the Hardware Troubleshooting.* For
models with external graphics, replace the VGA board and check if it is out of
order.
CD/DVD-ROM Related
Troubles
Disc is not recognized
or read.
* Check
if the ODD module and the main board are properly connected with the 50 pin
connector.* Replace
the ODD, if necessary.
Power-Saving Mode
Related Troubles
Connecting a USB device
to the computer in standby mode.
* If
a USB device is connected to the computer in standby mode, the screen may be
abnormally displayed.
You have to connect a USB device when the computer is operating normally.
A USB device is not
working normally when the computer returns from standby mode.* In
this case, separate and reconnect the USB device.
The picture is displayed
abnormally when the computer running the Command Prompt (MS-DOS)
enters standby mode and then returns from standby mode.* Press
the <Alt> and <Tab> key combination to display the picture on the
screen.
Device Settings Related
Software Diagnosis
Check if the
drivers of each of the devices are properly installed. That is, check if there
are any yellow exclamation marks in the Device Manager.
Check the
device driver version and check if it is conflicting with another driver. If
the driver is not properly installed, install a new driver.
(The following figure
illustrates the properties of the Internal GFx device driver).
Check if the
program is properly installed.
Click on the
Realtek Control Panel in the Control Panel and check if the function works
normally.
HDD
and ODD Related Problems
For an HDD, check if the HDD
operates in Ultra DMA Mode 5 by selecting the Primary IDE Channel in the
Control Panel as follows. If it does not, check the BIOS SETUP, reinstall the operating
system or replace the HDD-FPC or HDD, if necessary.
For an ODD,
check if it operates in Ultra DMA Mode 2. If it does not, check if the disc
inserted into the ODD is clean. If the disc is contaminated, the access speed
may slow down. If the disc is clean, check the BIOS SETUP, reinstall the
operating system or ODD, if necessary.
Check if the
HDD and ODD models are properly displayed. If not, check the BIOS SETUP or replace
the FPC or drive, if necessary.
Windows
Vista System
The operating system(OS)
installed on this product is the latest version of Windows Vista, You cannot
install an operating system other than vista as well as any unauthorized copy
of Windows Vista.
Other operating systems
(Windows 98,Windows ME,Windows 2000,Windows XP,Windows 2003 Server,UNIX and
LINUX.other Windows Vista versions,etc.)other than the operating system already
installed on this computer are not supported.
Installing a program that does
not support Windows Vista, may cause the program to not work properly.
In this case, ask the
corresponding software manufacturer about the problem . if you request the services
to resolve a problem caused but incompatible software.
Other
Problems
Press each corresponding button
and check its operation.
System
Diagnostics Card
The Diagnostics Card shows the
system operations during the POST (Power On Self Test) in a2 digit hexadecimal
number by connecting the cable to the 10 pin connector below the PCMCIA slot after
separating the Top part. The card is used to evaluate the reason for the
malfunction without disassembling the system when the system malfunctions and
to test if the system operates normally after replacing a defective FRU.
Debugging
Code
In general, if a defect of the
circuit or part is detected during the system test, the system stops at a
particular code. The error codes for each part of the system are listed in the
following table.
Use
of Debug card
See the debug
card is connected to DEBUG connector (as following) in Main board.
