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Sony Vaio VGN-FW590 Troubleshooting
This troubleshooting guide will help you diagnose problems with the Sony Vaio VGN-FW590.
- Keyboard/Keys Not Responding
- Power Adapter is Making Noises/Will Not Charge
- No Screen Display
- Hard Drive Is Making Noises
- Computer Crashes
Keyboard/Keys Not Responding ¶
Your computer's keyboard is not responding to keystrokes or has broken/missing keys.
Dirty Keyboard ¶
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. Remove the keyboard for further cleaning using this guide.
Missing/Broken Keys ¶
If the keyboard has broken or missing keys, try replacing them. Remove a broken key from the keyboard by placing your fingernail or a small flat-head screwdriver under a corner of the key and gently pry the keycap up and away from the laptop.
If the key sticks to the board, gently pry it off with your fingers. Once removed, you should see the plastic white key retainer. Orient the replacement key above the slot, the press the key gently with even pressure until it clicks into place.
Faulty Keyboard ¶
If the entire keyboard fails to respond, try replacing it with this guide.
Power Adapter is Making Noises/Will Not Charge ¶
Your computer's power adapter is making a loud humming/buzzing sound or the computer does not charge
Dirty Connection Point ¶
If the connection point for your charger is dirty, try cleaning it. Remove the power adapter and clean dirt/grit from the adapter itself and the DC jack.
Damaged Power Adapter ¶
If the power adapter is damaged, try replacing it with this guide.
Broken DC Power Jack ¶
If the the DC Power Jack is broken, try replacing it with this guide.
Faulty Battery ¶
If the entire computer fails to charge after checking the DC Power Jack and the Power Adapter, try replacing it with this guide.
No Screen Display ¶
Your screen is blank or off when the computer is turned on.
Faulty Power Source ¶
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 computer does not charge and the outlet is working properly, refer to the Power Adapter is Making Noises/will not Charge Properly troubleshooting section.
Disabled Display ¶
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 once more, hold down the Windows key, and push the “P” key twice.
Lowered Brightness ¶
The screen brightness may have been turned all the way 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. With your other hand tap the right arrow key to increase the brightness.
External Display Equipment in Use ¶
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 press the "Fn" key and the "F7" key twice, then press the Enter key. This should return the display to the computer.
Cracked Screen ¶
If the screen is cracked or not functioning and does not respond to other troubleshooting, try replacing it with this guide.
Hard Drive Is Making Noises ¶
Your computer's hard drive is making a squeaking, clicking, grinding, or grating noise.
Damaged Hard Drive ¶
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.
Failed/Failing Hard Drive ¶
If the hard drive is failing or has failed, backup all data and try replacing the Hard Drive with this guide.
Computer Crashes ¶
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.