If your computer beeps when you start it but does not display anything on your monitor:
a. Disconnect and reconnect your monitor from your computer.
b. Verify that your monitor's power cord is connected and that your monitor is turned on.
c. If possible, connect your monitor to a different computer to make sure that your monitor works properly.
d.If your monitor works but your computer beeps and displays nothing,your video adapter has probably failed. If your computer is underwarranty, contact your computer manufacturer for support. If yourcomputer is not under warranty, and you are comfortable opening yourcomputer's case and replacing internal hardware, purchase
a compatible replacement video adapter. Otherwise, contact a servicecenter for assistance. While replacing a part is a nuisance and may becostly, your documents, pictures, and e-mail should be safe and will beavailable when your computer is fixed.
Ifyou see an error message that indicates that a keyboard is not presentor a key is stuck, turn off your computer and reconnect your keyboard.If the problem continues, replace your keyboard.
Sometimesyour computer won't start because your computer is not compatible witha hardware accessory. If you have recently added a new hardwareaccessory, turn your computer off, remove the accessory, and restartyour computer.
Removeall hardware accessories except your keyboard, mouse, and monitor. Ifyour computer starts successfully, shut down Windows, turn off yourcomputer, and add one hardware accessory. Then, restart your computer.If your computer fails to start, the hardware accessory you mostrecently added is causing a problem. Remove the hardware and contactthe hardware vendor for support. You can reconnect other hardwareaccessories.
Youmay have a loose connector. Turn off your computer, remove allconnectors from the outside of your computer, and then carefully pushthe connectors back in. Look for stray wires, bent pins, and looselyfitting connectors.
Ifyou are comfortable opening your computer's case, shut down yourcomputer, unplug the power, and open your computer’s case. Remove andreconnect all cables. Remove and reconnect all cards inside yourcomputer, including your computer’s memory chips. Reassemble yourcomputer before attempting to start it again.
If your computer still doesn't start, your motherboard, processor, memory, or graphics card may have developed a problem. Contact technical support
for further troubleshooting assistance. While failed hardware can befrustrating, your documents, pictures, and e-mail should be safe andwill be there when your computer is fixed.
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