Lenovo ThinkCentre M55 User Manual

and Recovery workspace. For information about creating and using rescue media,
see “Creating and using rescue media” on page 44.
Recovering or installing device drivers
Before you can recover or install device drivers, your operating system must be
installed on your computer. Make sure that you have the documentation and
software media for the device.
Device drivers for factory-installed devices are located on the computer hard disk
(usually drive C) in the SWTOOLS\drivers folder. Other device drivers are on the
software media that come with individual devices.
The latest device drivers for factory-installed devices are also available on the
World Wide Web at http://www.lenovo.com/support/.
To reinstall a device driver for a factory-installed device, do the following:
1. Start your computer and operating system.
2. Use Windows Explorer or My Computer to display the directory structure of
your hard disk.
3. Open the C:\SWTOOLS folder.
4. Open the DRIVERS folder. Within the DRIVERS folder are several subfolders
that are named for various devices that are installed in your computer (for
example, AUDIO or VIDEO).
5. Open the appropriate device subfolder.
6. Use one of the following methods to reinstall the device driver:
v In the device subfolder, look for a README. TEXT or other file with the
.TXT extension. This file might be named after the operating system, such as
WIN98.TXT. The text file has information on how to reinstall that device
driver.
v If the device subfolder contains a file with an .INF extension, you can use the
Add New Hardware program (located in the Windows Control Panel) to
reinstall the device driver. Not all device drivers can be reinstalled using this
program. In the Add New Hardware program, when prompted for the
device driver that you want to install, click Have Disk and Browse. Then
select the appropriate device driver file from the device subfolder.
v In the device subfolder, look for a SETUP.EXE file. Double-click SETUP.EXE
and follow the instructions on the screen.
Setting a rescue device in the startup sequence
Before you start Rescue and Recovery from a CD, DVD, USB hard disk drive, or
any external device, you must first change the startup sequence in the Setup
Utility.
To view or change the startup sequence, do the following:
1. With the computer off, repeatedly press and release F1; then, turn on the
computer.
2. When the logo screen appears, or you hear a series of beeps, release F1.
3. If you are prompted for a password, type your current password.
4. From the Setup Utility main menu, use the right-arrow key to select Startup.
5. Arrange the startup sequence to meet your needs.
6. Press Esc twice to go to the Setup Utility exit menu.
46 User Guide

Lenovo ThinkCentre M55 Specifications

General

Tcase	61.4 °C
Bus type	FSB
Stepping	R0
Processor cache	2 MB
Processor cores	2
Processor model	E6300
System bus rate	- GT/s
Processor family	Intel® Core™2 Duo
Processor socket	LGA 775 (Socket T)
Processor codename	Conroe
Processing Die size	111 mm²
Processor frequency	1.86 GHz
Processor cache type	L2
Processor lithography	65 nm
Processor manufacturer	Intel
Processor front side bus	1066 MHz
Processor operating modes	64-bit
ECC supported by processor	No
Thermal Design Power (TDP)	65 W
Number of processors installed	1
CPU multiplier (bus/core ratio)	7
Number of Processing Die Transistors	167 M
Audio system	High Definition Audio
Product type	PC
Motherboard chipset	Intel® Q963 Express
Memory slots	2x DIMM
Internal memory	1 GB
Memory clock speed	667 MHz
Internal memory type	DDR2-SDRAM
Maximum internal memory	4 GB
Memory layout (slots x size)	2 x 0.5 GB
HDD speed	7200 RPM
HDD interface	SATA
Optical drive type	DVD-ROM
Total storage capacity	80 GB
Power supply type	AC
Power requirements	120 - 230 V
External drive bays	1 x 5.25\
Internal drive bays	1 x 3.5\
Networking features	Gigabit Ethernet
Intel segment tagging	Enterprise, Professional
Compliance industry standards	IEEE802.3, IEEE802.3u, IEEE802.3ab
On-board graphics card	Yes
Discrete graphics card model	Intel® GMA 3000
Maximum graphics card memory	- GB
Operating system installed	Windows Vista Business
USB 2.0 ports quantity	8
Firewire (IEEE 1394) ports	0
Cabling technology	10/100/1000Base-T(X)
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Power supply	225 W
Chassis type	SFF
Product color	Black
Processor code	SLGW2
Processor ARK ID	27248
Processor package size	37.5 x 37.5 mm

Weight and Dimensions

Depth	358 mm
Width	310 mm
Height	88 mm
Weight	8500 g