Dell Latitude E5440 User Manual download pdf (Page 15)

A Principled Technologies test report 15

Performance and durability comparison: Dell Latitude 14 5000

Series vs. HP EliteBook 840 G1

9. At the Choose Install Location screen, accept the default location of C:\Program Files (x86)\BAPCo\MobileMark2012,

and click Next.

10. At the Choose Start Menu Folder screen, click Install.

11. Insert Disc 2 when prompted.

12. At the InstallShield Wizard Complete screen, click Finish.

13. Launch MobileMark 2012.

14. Click Configuration and choose only the Required options.

15. Click Apply, and restart the computer when prompted.

16. Adjust the screen brightness to no less than 150 nits:

a. Click the Windows Start button, and type power options in the Windows Start Search box.

b. Click Change plan settings.

c. Click Change advanced power settings.

d. Expand the Display option, and change the Display brightness on battery and plugged in to the correct

percentage that produces no less than 150 nits.

Note: If you are unable to save these settings, please see the Displaying Brightness section above.

Conditioning the battery

1. Plug the AC power adapter into the notebook PC, and completely charge the battery.

2. Install MobileMark 2012, following the steps we outlined in the Installing MobileMark 2012 section.

3. Double-click the MobileMark 2012 icon on the desktop.

4. Click the Office Productivity icon.

5. Type System Conditioning as the name for this test in the Project Name, check the box next to conditioning,

and click Continue.

6. If MobileMark 2012 lists no problems or warnings, click Continue. If it does list any problems or warnings, close

MobileMark 2012, and correct the problem(s) before proceeding.

7. When prompted, unplug the AC power adapter. The Office Productivity test begins immediately.

8. The test is complete when the notebook PC has fully depleted its battery and is no longer operational when running

on battery power.

9. Plug the AC power adapter into the notebook PC, and completely charge the battery.

Measuring battery life with MobileMark 2012

We performed the following steps to run the MobileMark 2012 Office Productivity benchmark:

1. Double-click the MobileMark 2012 icon on the desktop.

2. Select the Office Productivity test by clicking the Office Productivity icon.

3. Enter a name for this test in the Project Name field, and click Continue.

4. If MobileMark 2012 lists no problems or warnings, click Continue. If it does list any problems or warnings, close

MobileMark 2012, and correct the problem(s) before proceeding.

5. When prompted, unplug the AC power adapter. The test begins immediately.

6. The Office Productivity test is complete when the notebook PC has fully depleted its battery and is no longer

operational when running on battery power.

We executed the MobileMark 2012 Office Productivity test three times on the system and took the median

battery life run as the representative score for that test.

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Dell Latitude E5440 User Manual Page 15

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