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Re: my lap top shuts it's self on am off
Try removing the battery and starting up only on AC power. You may have a faulty battery. It could also be the power supply or a bad memory chip. If it's none of these, then it's a motherboard problem.
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When you boot, you get a menu with "safe mode" as one of the options. Next time you boot, watch the screen closely and wait for that menu. Then using the arrows on your keyboard, scroll down to "repair computer". Further instructions in the link below.
THE COMPUTER MIGHT BE OVERHEATING AND SHUTTUNG DOWN TO PROTECT ITS SELF... IDK IF YOUR GOOD WITH COMPUTERS OR NOT BUT THERE IS A THING CALLED A CPU IN ALL COMPUTERS WHICH IN EASY WORDS BASICLY THE BRAIN OF THE COMPUTER AND IT HAS A STICKY MATERIAL ON TOP OF IT CALLED THERMAL PASTE THAT HELPS KEEP IT COOL CAUSE THE SECOND THE COMPUTER TURNS ON IT STARTS GETTING REAL HOT. IF THAT THERMAL PASTE IS GONE IT COULD EASILY OVERHEAT CAUSEING IT TO SHUTDOWN. ALSO IF THE LAPTOP IS IN YOUR LAP THE FANS IN THE COMPUTER COULD NOT THE MAKING ENOUGH COOL AIR CAUSE YOUR PANTS SHIRT WHATEVER IS BLOCKING IT FROM BREATHEING CAUSE IT ONCE AGAIN TO OVERHEAT AND SHUTTING DOWN TO PROTECT ITSELF.
ur unit is overheating turn off and unplug and let cool down,clean vents around fan intake (under unit) and around top each side of keyboard when cool enough plug back in and listen for fan operation while booting up if no fan it may be stuck or burnt up and may need replacement but ur biggest problem will be the hard drive if it was overheated for to long could or is damaged good luck hope ur lucky and that it just got hot
Try booting in safe mode. you may want to first try loading the last known good configuration.
To get into the Windows Vista Safe mode, as the computer is booting press and hold your "F8 Key" which should bring up the "Windows Advanced Options Menu" as shown below. Use yourarrow keys to move to "Safe Mode" and press your Enter key. Let computer boot to safe mode and then shutdown. If problem continues then Start in safe mode again.
After you boot to safe mode then go to Control Panel, System, Advanced System Settings, Advanced tab should be at the forefront. Go towards the bottom of the popup (Startup and Recovery) and select settings. Then in the settings popoup uncheck Automatically Restart. OK and apply everyithing then restart computer. Let me know what happens.
Go to the BIOS menu and select the Main Tab... see if the computer sees your drive. If not send it to the manufacturer or look to see if you can get to the HD without cracking open the main case to the laptop if you can... check the connection from the HD to the connectors to the motherboard