My computer won't wake up after I shut the lid/went into sleep mode?

timer Asked: Jul 1st, 2013
account_balance_wallet $5

Question Description

My computer won't wake up after I shut the lid/went into sleep mode? 
Not only does it not wake up after opening the lid then hitting keys on the keyboard or moving/clicking the keypad, but when I shut it down the power button remains on but I can hear the fans turn off. I then have to hold down the power key until it turns black, it doesn't mess up my computer or anything, just turns it off all the way. 
Anyways, I don't know what wrong. I've tried everything... Keyboard>Hardware Tab>Properties>Change Settings>there is no "power management" tab, so I can't check my keyboard to be correct. The only solution I've come up with is setting the settings to be once I close the lid my computer does nothing but the screen turns black and when I lift it back up it resumes, but that is not sleep mode, it's set to "do nothing". That wastes a ton of battery in my computer so I have to shut it off every time I get off my computer which is really annoying and time consuming. I really need some help! My computer is a Dell Inspiron 15R. If you have any suggestions please please please post them! Thanks so much! - Brooke

Tutor Answer

School: UT Austin

use this updates at your own risk
update in this order.
Link for BIOS:
Link for Chipset driver:
Link for Notebook system software:

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Thank you! Reasonably priced given the quality not just of the tutors but the moderators too. They were helpful and accommodating given my needs.

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