Dell Insp 640 M Manual

Specifications161
Battery
Type 6-cell smart lithium ion
9-cell smart lithium ion
Dimensions:
Depth49 mm (1.93 inches) (6 cell)
60.1 mm (2.37 inches) (9 cell)
Height24 mm (0.94 inch)
Width206.8 mm (8.14 inches)
Weight 0.32 kg (0.7 lb) (6 cell)
0.48 kg (1.06 lb) (9 cell)
Voltage 11.1 VDC
Charge time (approximate)
:
Computer off2 hours (6-cell)
3 hours (9-cell)
Operating time Battery operating time varies depending on 
operating conditions and can be significantly 
reduced under certain power-intensive...

162Specifications
Rated output voltage 19.5 +/–1.0 VDC
Dimensions:
Height28.2 mm (1.11 inches) 
Width57.9 mm (2.28 inches) 
Depth137.2 mm (5.4 inches) 
Weight (with cables) 0.4 kg (0.9 lb) 
Temperature range:
Operating0° to 35°C (32° to 95°F) 
Storage–40° to 65°C (–40° to 149°F)
Physical
Height 38.6 mm (1.52 inches) 
Width 330 mm (12.99 inches)
Depth 243 mm (9.56 inches)
Weight (with 6-cell battery, 
CDRW/DVD combo, and 40G hard 
drive):
Configurable to less than2.5 kg (5.5 lb)
Environmental
Temperature...

Specifications163
Maximum shock (measured with 
hard drive in operating status and a 
2-ms half-sine pulse for operating. 
Also measured with hard drive in 
head-parked position and a 2-ms half-
sine pulse for storage):
Operating142 G
Storage163 G
Altitude (maximum):
Operating–15.2 to 3048 m (–50 to 10,000 ft)
Storage–15.2 to 10,668 m (–50 to 35,000 ft) Environmental (continued) 

164Specifications 

Appendix165
Appendix
Using the System Setup Program
 NOTE: Your operating system may automatically configure most of the options available in the system setup 
program, thus overriding options that you set through the system setup program. (An exception is the External 
Hot Key option, which you can disable or enable only through the system setup program.) For more information 
on configuring features for your operating system, see the Windows Help and Support Center. To access the 
Help and Support...

166Appendix
The window at the bottom tells you how to control the system setup program with key functions. Use 
these keys to select a category, modify its settings, or exit the system setup program.
Commonly Used Options
Certain options require that you reboot the computer for new settings to take effect.
Changing the Boot Sequence
The boot sequence, or boot order, tells the computer where to look to find the software needed to start the 
operating system. You can control the boot sequence and...

Appendix167
3Turn on the computer. When the DELL logo appears, press  immediately. If you wait too long 
and the Windows logo appears, continue to wait until you see the Windows desktop. Then shut down 
your computer and try again.
4When the boot device list appears, highlight the device from which you want to boot and press 
.
The computer boots to the selected device.
The next time you reboot the computer, the previous boot order is restored.
Cleaning Your Computer
 CAUTION: Before you begin any of the...

168Appendix
Floppy Drive
 NOTICE: Do not attempt to clean drive heads with a swab. You might accidentally misalign the heads which 
prevents the drive from operating.
Clean your floppy drive using a commercially available cleaning kit. These kits contain pretreated 
floppies to remove contaminants that accumulate during normal operation.
CDs and DVDs
 NOTICE: Always use compressed air to clean the lens in the CD/DVD drive, and follow the instructions that come 
with the compressed-air product. Never...

Appendix169
Definition of Dell-Installed Software and Peripherals
Dell-installed software includes the operating system and some of the software programs that are 
installed on the computer during the manufacturing process (Microsoft® Office, Norton Antivirus, and 
so on).
Dell-installed peripherals include any internal expansion cards, or Dell-branded module bay or 
ExpressCard accessories. In addition, any Dell-branded monitors, keyboards, mice, speakers, 
microphones for telephonic modems, docking...

170Appendix
If necessary, consult a representative of Dell Inc. or an experienced radio/television technician for 
additional suggestions. 
The following information is provided on the device or devices covered in this document in compliance 
with the FCC regulations: 
Macrovision Product Notice
This product incorporates copyright protection technology that is protected by U.S. patents and other 
intellectual property rights. Use of this copyright protection technology must be authorized by 
Macrovision,...