This troubleshooting guide will help you diagnose problems with the Sony Vaio VGN-FW590.
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Your computer’s keyboard is not responding to keystrokes or has broken/missing keys.
If the keyboard is dirty, try removing dirt and other particles from the keyboard. Turn the computer upside down and gently shake to remove loose particles.
If the keyboard has broken or missing keys, try replacing them with this guide.
If the entire keyboard fails to respond, try replacing it with this guide.
Your computer’s power adapter is making a loud humming/buzzing sound or the computer does not charge
If the computer is not charging, make sure the power source (such as the wall outlet) has electricity. Try connecting to a different power source.
If the connection point for your charger is dirty, try cleaning it. Remove the power adapter and remove any dirt from the adapter and the DC jack.
If the power adapter is damaged, try purchasing a new power adapter.
If the battery fails to charge after checking the DC Power Jack and the Power Adapter, try replacing it with this guide.
Your screen is blank or off when the computer is turned on.
The screen brightness may have been turned down so that only a black screen is showing. To determine if this is the problem, hold down the “Fn” key and the “F5” key. Tap the right arrow key to increase the brightness.
If the computer was hooked up to an external display device and the display cable was disconnected with the computer on, the computer screen goes blank.
To return the display back to the computer hold the “Fn” key and press the “F7” key twice, then press the “Enter” key. This should return the display to the computer.
The display may accidentally be disabled. To fix this, press the “Fn” and “F2” keys. This should enable the display.
If that does not fix the problem the computer may have been previously set to “Projector mode.” Repeat the previous instruction then hold down the “Windows” key, and push the “P” key twice.
Your computer does not read discs.
The optical disc drive will sometimes not read a dirty disc. Try cleaning the disc by spraying it lightly with a window cleaning solution and gently drying it with a soft cloth. Be sure to wipe straight across the disc rather than in circles to prevent smudging the disk.
The optical disc drive will sometimes not read a disc that is damaged. Try using a different disc.
The optical disc drive sometimes refuses to eject a disc even after using the software eject prompt or the eject button on the drive. If that happens, try turning off the computer. Leave it off for a minute or more. Turn the computer back on and try ejecting the disc again.
If none of the above methods work, the optical disc drive might be broken. Try replacing it with this guide.
Your computer’s hard drive is making a squeaking, clicking, grinding, or grating noise.
Hard drive noises may be caused by the computer trying to access damaged portions of the hard drive. Try downloading and running hardware diagnostics software. Before running the software, close all programs and unplug any devices from the computer. The diagnostic software will prevent the computer from accessing damaged sections of the hard drive.
If the hard drive is failing or has failed, backup all data and try replacing the Hard Drive with this guide.
Your computer does not boot or crashes mid-use.
If the computer overheats and turns off, move the computer to a cool, well-ventilated, area and leave alone for one hour. Then turn the computer on. If computer will not power on, the hard drive may have crashed. Try replacing the hard drive with this guide.
