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DisplayHP Essential 420 LE751LA 
Screen Size14.00 "
Display Screen TypeActive Matrix TFT Color LCD
Aspect Ratio16:9
Screen ModeWXGA
Screen Resolution1366 x 768
Backlight TechnologyLED
Graphics Controller ManufacturerIntel
Graphics Controller ModelGMA 4500MHD
Graphics Memory TechnologyDDR3 SDRAM
Graphics Memory AccessibilityShared
Hard DriveHP Essential 420 LE751LA
Storage Size500 GB
Hard Drive InterfaceSerial ATA/300
Hard Drive RPM5400
Hard Drive Configuration1 x 500 GB
Optical Drive TypeDVD-Writer
MemoryHP Essential 420 LE751LA
Memory Card SupportedMultiMediaCard (MMC), Secure Digital (SD) Card
Standard Memory2 GB
Maximum Memory8 GB
Memory TechnologyDDR3 SDRAM
Memory StandardDDR3-1066/PC3-8500
Number of Total Memory Slots2
Memory Card ReaderYes
NetworkHP Essential 420 LE751LA
Wireless LANYes
Wireless LAN StandardIEEE 802.11b/g/n
Ethernet TechnologyFast Ethernet
BluetoothYes
Bluetooth StandardBluetooth 2.1
DimensionsHP Essential 420 LE751LA
Height1.1"
Width13.2"
Depth9.0"
Weight (Approximate)79.68 oz
ColorBlack, Gray
Detailed SpecsHP Essential 420 LE751LA
WebcamYes
MicrophoneYes
SpeakersYes
ProcessorHP Essential 420 LE751LA
Processor ManufacturerIntel
Processor TypePentium
Processor ModelT4500
Processor Speed2.30 GHz
Processor CoreDual-core (2 Core)
Cache1 MB
Bus Speed800 MHz
Chipset ManufacturerIntel
Chipset ModelGL40 Express
SoftwareHP Essential 420 LE751LA
Operating SystemWindows 7 Starter
Operating System Architecture32-bit
Input DevicesHP Essential 420 LE751LA
Pointing Device TypeTouchPad
I/O ExpansionsHP Essential 420 LE751LA
Expansion Slot TypeExpressCard/34
BatteryHP Essential 420 LE751LA
Battery ChemistryLithium Ion (Li-Ion)
Maximum Battery Run Time5.50 Hour
InterfacesHP Essential 420 LE751LA
HDMIYes
DVINo
Total Number of USB Ports3
Number of USB 2.0 Ports3
VGAYes
Audio Line InYes
Audio Line OutYes