[. . . ] Recovery Guide -- Contains an explanation of how to make a backup copy of your data and recover your computer system, and solutions to computer malfunctions. You can find on-screen information in: Documentation in My Club VAIO: The My Club VAIO portal is a perfect starting point to use your computer - a comprehensive collection of everything you need to get the most from the computer. Windows Help and Support: Windows Help and Support is a comprehensive resource for practical advice, tutorials, and demonstrations to help you learn to use your computer. Use the Search feature, Index, or table of contents to view all Windows Help resources, including those that are on the Internet. [. . . ] This guide is provided in PDF format, which you can easily browse through and print out. Or go to Windows Help and Support by pressing and holding the Microsoft Windows key and pressing the F1 key. Make sure your computer is securely plugged into a power source and turned on. If your computer is plugged into a power strip or an uninterruptible power supply (UPS), make sure the power strip or UPS is plugged into a power source and turned on. If you are using an external display, make sure it is plugged into a power source and turned on. Make sure the brightness and contrast controls are adjusted correctly. Reinstall the battery pack, reattach the AC adapter, and then press the power button (slide up the power switch on VGN-UX series models) to turn on your computer. On all models except VGN-UX series and VGN-TZ series models, remove any extra memory modules you may have installed since purchase. For your safety, use only genuine Sony rechargeable battery packs and AC adapters, which are supplied by Sony for your VAIO computer. On all models except VGC-RM series models, if the message "Press <F1> to resume, <F2> to setup" appears at the bottom of the screen, follow these steps: 1 Press the F2 key (press and hold the Fn key and press the F2 key on VGN-UX series models). If the symptom persists after performing the above, it means the installed battery pack is not compatible. What should I do if a message window, notifying of incompatibility or improper installation of the battery pack, appears and my computer enters Hibernate mode?This symptom could be due to the battery pack not being installed properly. To resolve this symptom, turn off your computer and remove the battery pack. If the symptom persists after performing the above, it means the installed battery pack is not compatible. What should I do if Windows does not start, showing a message, when I start my computer?If you enter a wrong power-on password three times consecutively, the Enter Onetime Password or Password Check failed message appears. If you enter a wrong power-on password three times consecutively again, the System Disabled message appears and Windows will not start. Press and hold the power button (slide up and hold the power switch on VGN-UX series models) for more than four seconds to check that the power indicator goes off. Wait for 10 or 15 seconds, then restart your computer and enter the correct password. [. . . ] Wait for 10 or 15 seconds, then restart your computer and enter the correct password. When entering the password, check that the Num lock indicator and Caps lock indicator are off. If any are lit, press the Num Lk key (press and hold the Fn key and press the Num Lk key on VGN-UX series models) or the Caps Lock key to turn off the indicator before entering the password. If you have forgotten the BIOS password, contact VAIO-Link to reset it. [. . . ]