Dell Inspiration 15R-N5110 Laptop Features and Specification
Processor
2nd generation Intel® Core™ i3-2330M processor (2.20 GHz, 3M cache)
2nd generation Intel® Core™ i3-2330M processor (2.20 GHz, 3M cache)
2nd generation Intel® Core™ i5-2430M processor (2.40 GHz, 3M cache)
2nd generation Intel® Core™ i7-2670QM (2.20 Ghz, 6MB, 4C)

BIOS PASSWORD RESET STEPS.
>
1.remove motherboard from you laptop.
2.connect power and turn on.
3.short G2201 only one time.its shout down.
4.remove power and assemble your laptop again
5.Then go to bios by press F2.
note: This instructions for help only and for professionals only. general users do not try this.
Don't short G2201 two times or in even count.it will show you password prompt again.