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After 3 months of this laptop giving problems 1.Keyboard is not functioning properly like cursor keys, alphabets,function keys are not working. 2.Mouse pad is not detecting 3.Wi-is not detecting I have purchased this laptop in the month 0f Feb 2014 ( Order OD40202022787)
after purchase can we use windows 8 or 8.1 by removing this os the configuration is the best for the usage
| Brand | Dell |
| Model | 15 3521 |
| Thickness | 25.3 Millimeter thickness |
| Dimensions(WxDxH) | 376 x 259 x 25.3 mm |
| Weight | 2.3 Kg weight |
| Colour(s) | Black |
| Operating System | Ubuntu |
| Operating System Type | 64-bit |
| Display Size | 15.6 Inches (39.62 cm) |
| Display Resolution | 1366 x 768 Pixels |
| Pixel Density | 100 ppi |
| Display Type | LED |
| Display Features | HD LED Display with True Life |
| Touchscreen | No |
| Processor | Intel Celeron Dual Core 1017U |
| Clock-speed | 1.6 Ghz |
| Chipset | Intel HM76 Express |
| Graphic Processor | Intel HD Graphics |
| Capacity | 4 GB |
| RAM type | DDR3 |
| RAM speed | 1600 Mhz |
| Memory Slots | 2 |
| Expandable Memory | 8 GB |
| Memory Layout | 1 x 4 Gigabyte |
| HDD Capacity | 500 GB |
| HDD Speed(RPM) | 5400 RPM |
| HDD type | SATA |
| Battery Cell | 4 Cell |
| Battery type | Li-Ion |
| Power Supply | 40 W AC Adapter W |
| Battery Life | 5 Hrs |
| Wireless LAN | 802.11 b/g/n |
| Wi-Fi Version | 4 |
| Bluetooth | Yes |
| Bluetooth Version | 4.0 |
| USB 3.0 slots | 2 |
| USB 2.0 slots | 1 |
| SD Card Reader | Yes |
| Ethernet Ports | 1 |
| Headphone Jack | Yes |
| Microphone Jack | Yes |
| Webcam | Yes |
| Webcam Resolution | 1.0 MP |
| Secondary cam(Rear-facing) | No |
| Speakers | Stereo Speakers |
| Sound Technologies | Waves MaxxAudio 4 |
| In-built Microphone | Yes |
| Optical Drive | Tray-load DVD RW Drive |
| Drive Type | DVD Writer |
| Pointing Device | Touchpad |
| Keyboard | Standard Keyboard |
| Fingerprint Scanner | No |
| Warranty | 1 Year |
| Lockport | Yes |
| Sales Package | Laptop, Battery, AC Adapter, User Guide |
Higher battery life:
8 Hrs vs 5 Hrs
More hard-disk capacity:
1024 GB vs 500 GB
More USB 2.0 ports:
2 vs 1
Fast hard disc access:
7200 RPM vs 5400 RPM
More USB 3.0 Ports:
3 vs 2
More thickness:
32.5 Millimeter vs 25.3 Millimeter
Lesser weight:
2 Kg vs 2.3 Kg
Smaller screen:
14 Inches vs 15.6 Inches
Common Features
More hard-disk capacity:
1024 GB vs 500 GB
More USB 2.0 ports:
2 vs 1
Lesser weight:
2.2 Kg vs 2.3 Kg
More USB 2.0 ports:
2 vs 1
More thickness:
26.6 Millimeter vs 25.3 Millimeter
Fewer USB 3.0 Ports:
1 vs 2
Higher battery life:
8 Hrs vs 5 Hrs
More USB 2.0 ports:
2 vs 1
More thickness:
33.9 Millimeter vs 25.3 Millimeter
