How to Solve Sleep Mode Problems on a Dell Computer
When Microsof t patched the power-saving features of Windows XP Service Pack 3 and Windows Vista, certain Dell computers were affected by various issues where the computers would go into sleep mode and be unable to come out of it or error out and not go into sleep mode. Sometimes the computers would go into sleep mode and wake up only when a USB mouse was jostled. Pressing keys on the keyboard would not wake the computer because the keyboard would stop functioning. Step 1 Open the Dell support page on your Internet browser. See the Resources section for a link. Make sure to have your seven-digit alphanumeric (letters and numbers) service tag. Place that information into the "Choose by Service Tag" option. Step 2 Make sure that the option for the " Operating System " is correct. Step 3 Go to "+Bios" and click on the "+" symbol. Click on "Download" at the far right, save and run the downloaded file. Step 4 Restart