HP Pavilion DV7-4141SA Processor upgrade

heya

can you upgrade the processor in these laptops, comes with the following spec... but hate the processor...

Hard drive
What's this? 500 GB
Hard drive type
SATA optical drive: LightScribe SuperMulti DVD±R/RW with, Double Layer Support
Operating system
What's this? Genuine Windows® 7 Home Premium 64-bit
Processor
What's this? AMD Turion™ II Dual-Core Processor P540 2.4 GHz
Processor model number
II Dual-Core Processor P540
Processor speed
What's this? 2.4 GHzGHz
Optical drive
Yes
Memory
4 GB
Memory card slot
What's this? Yes
Cache
What's this? 2 MB
Graphics card details
ATI Mobility Radeon™ HD 5470 Graphics (switchable), up to 2173 MB total graphics memory with 512 MB DDR3 dedicated
Graphics memory shared
No
Card reader compatible with
-
Sound card
Yes
Integrated speakers
Yes
Integrated webcam
Yes
Screen size
What's this? 17.3"
Widescreen
What's this? Yes
Networking capability
Yes
Wireless networking
Yes
WiFi
Yes
Bluetooth
Yes
Number of front USB ports
4 USB 2.0 ports (4th shared with eSATA port), 1 eSATA + USB port
Integrated microphone
Yes
Battery life
8 hours
Battery life on standby
55 hours
Brand
HP
Colour
Black Cherry with Link pattern - Plastic Finish
Height, width, depth
3.18x1.53x27.4cm
Weight
3.31kg
Quick start guide
Yes
Manufacturer's guarantee
1 year
Country of origin
China
Built-in TV tuner
No
Graphics memory dedicated
Yes
Includes keyboard
Yes
Includes monitor
Yes
Includes mouse
Yes
Includes speakers
Yes
Includes webcam
Yes
Keyboard type
Full size keyboard with integrated numeric keypad
Maximum screen resolution
1600 x 900
Modem included
No
Mouse type
HP Clickpad supporting Multi-Touch gestures with On/Off button
Optical drive BluRay compatible
No
Optical drive HD compatible
Yes
Optical drive LightScribe compatible
Yes
Remote access
Yes
Remote control
No

many thanks