My primary drive/computer will not start up

I believe the reason it's not starting up is because of malware.
My primary drive is Maxtor 6b200p0, but my computer won't start up with that drive, so before I start up the computer on the 'Sony' screen I press the esc button and start up with Maxtor 4d080H4.

Is it possible to restore my Maxtor 6b200p0 drive and retract all my files.

If so what is needed to be done?

Specs:
Sony VAIO Digital Studio PCV-RX850 PC Desktop

Key Features
Form Factor What is "Form Factor"?
Tower
Processor Intel Pentium 4 2.4 GHz
Chipset What is "Chipset"?
SiS651
Installed Memory 512 MB (DDR SDRAM)
Operating System What is "Operating System"?
Microsoft Windows XP Home Edition
Recommended Use Home Use
Processor
Processor Type What is "Processor Type"?
Intel Pentium 4
Processor Speed What is "Processor Speed"?
2.4 GHz
Processor Manufacturer Intel
Processor Upgradability Not upgradable
Installed Qty 1
Max Processors Qty. 1
Motherboard
Bus Speed 533 MHz
Memory
RAM Technology DDR SDRAM
Installed RAM What is "Installed RAM"?
512 MB
Max Supported RAM 1.5 GB
Installed Cache Memory 512 KB
Technical Features
Integrated Input/Output Ports USB 2.0 x 6 • FireWire (IEEE1394a) x 2 • PS/2 Mouse x 1 • PS/2 Keyboard x 1 • Parallel Port (ECP/EPP/SPP) x 1
Expansion Bays 2 x 5.25" Half-Height (External Access) • 2 x 3.5" (Internal Access) • 1 x 3.5" (External Access)
Expansion Slots AGP x4 x 1 • PCI x 3
Power Configurations ACPI/APM Power Management
Hard Drive
Hard Drive Capacity What is "Hard Drive Capacity"?
80 GB
Hard Drive Interface DMA/ATA-100 (Ultra)
Controller Type DMA/ATA-100 (Ultra)
CD / DVD
Optical Drive Type What is "Optical Drive Type"?
DVD-ROM
Optical Drive Read Speed 16x (DVD) • 40x (CD) • 6x (DVD)
Optical Drive Write Speed 16x (CD-R) • 40x (CD-R)
Other Drives
Floppy Drive 3.5" 1.44 MB floppy
Audio / Video
Video Out Ports 15 Pin D-Sub VGA port x 1
Audio Input Microphone Jack • 1 x Line In
Audio Output Type Sound Card
Modem
Modem Type Fax / Modem
Networking
Networking Type Network Adapter
Data Link Protocol Ethernet • Fast Ethernet
Dimensions
Width 8 in.
Depth 14.62 in.
Height 14.22 in.
Weight 28.44 lb.
Warranty
Warranty 1 Year
Miscellaneous
OS Certified What is "OS Certified"?
Microsoft Windows XP Home Edition
Product ID 20293286

 

:wave Welcome to Major Geeks! :major

Did the PC formerly boot to Windows from the Maxtor 6b200p0? If so, it's odd that there's a full functional Windows on both hard drives. Anyway- yes, you can save the data easily. Simply boot to the drive that's booting up (the Maxtor 4d080H4), open My Computer, browse to the other Maxtor drive, and burn the stuff you want saved to CDs or DVDs. You won't be able to burn any programs, but all your music, pictures, and documents can be saved. If you cannot access the drive, please post the error messages you're getting, and describe exactly what happens when you try to access the drive from Windows.
:-D