Lenovo 3000 N500 User Manual

Beep symptoms
Table 3. Beep symptoms
Symptom or error FRU or action, in sequence
One beep and a blank, unreadable, or
flashing LCD.
1. Reseat the LCD connector.
2. LCD assembly.
3. External CRT.
4. System board.
One long and two short beeps, and a blank
or unreadable LCD.
1. System board.
2. LCD assembly.
3. DIMM.
Two short beeps with error codes. POST error. See “Numeric error codes” on
page 36.
Two short beeps and a blank screen. 1. System board.
2. DIMM.
Three short beeps, pause, three more short
beeps, and one short beep.
1. DIMM.
2. System board
One short beep, pause, three short beeps,
pause, three more short beeps, and one short
beep.
Only the cursor appears. Reinstall the operating system.
Four cycles of four short beeps and a blank
screen.
System board (security chip)
Five short beeps and a blank screen. System board
No-beep symptoms
Table 4. No-beep symptoms
Symptom or error FRU or action, in sequence
No beep, power-on indicator on, LCD blank,
and no POST.
1. Make sure that every connector is
connected tightly and correctly.
2. DIMM.
3. System board.
No beep, power-on indicator on, and LCD
blank during POST.
1. Reseat DIMM.
2. System board.
The power-on password prompt appears. A power-on password or a supervisor
password is set. Type the password and
press Enter.
The hard-disk password prompt appears. A hard-disk password is set. Type the
password and press Enter.
Related service information 39

Lenovo 3000 N500 Specifications

General

Bus type	FSB
Stepping	M0
Tjunction	100 °C
Processor cache	1 MB
Processor cores	2
System bus rate	- GT/s
Processor family	Intel Pentium Mobile
Processor series	Intel Pentium T3000 Series for Mobile
Processor socket	Socket 478
Processor codename	Merom
Processing Die size	143 mm²
Processor frequency	2.16 GHz
Processor cache type	L2
Processor lithography	65 nm
Processor manufacturer	Intel
Processor front side bus	667 MHz
Processor operating modes	64-bit
ECC supported by processor	No
Thermal Design Power (TDP)	35 W
CPU multiplier (bus/core ratio)	13
Number of Processing Die Transistors	291 M
HDD speed	5400 RPM
HDD interface	SATA
Card reader integrated	Yes
Total storage capacity	250 GB
Display surface	Matt
Display diagonal	15.4 \
Display resolution	1280 x 800 pixels
Native aspect ratio	16:10
Type	PC
Modem speed	56 Kbit/s
Wireless technology	IEEE 802.11a/g/n
Memory slots	2x SO-DIMM
Internal memory	2 GB
Internal memory type	DDR2-SDRAM
Maximum internal memory	4 GB
Memory layout (slots x size)	2 x 1 GB
Audio system	Conexant CX20561-12Z
Speaker power	2 W
Networking features	Ethernet/Fast Ethernet
Operating system installed	Windows Vista Business
Number of battery cells	6
Charging port type	DC-in jack
Serial ports quantity	0
USB 2.0 ports quantity	4
Cable lock slot type	IBM
Pointing device	Touchpad
Discrete graphics card model	Intel® GMA 4500MHD
Processor code	SLB3P
Processor ARK ID	35583

Weight and Dimensions

Depth	256.5 mm
Width	358.5 mm
Height	37 mm
Weight	2740 g