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Re: cannot turn on the computer
When u boot the PC press F8 & there will be several option...............select last good known configuration if this help ok otherwise format ur pc will due backup of all ur data/ driver cd is must if u format.......................this will definetly help u.................................Sameeraryan
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Open your laptop and and fix the hard disk cable.After this start laptop and check the bios if HDD detected then select boot device and select first boot device is Hard disk.Save the setting and restart the window.You are able to open your window.
If Hard disk drive is not detected change data cable,power cable of Hard disk.If hard disk is detected in bios follow upper rules.
if it is not detected again you should walk into Hard disk repairing center and check hard disk there.
What windows are you using? This is often caused by a failing service or corrupt program, or damaged system file.
A simple way to fix/replace damaged file. Start button > run > type sfc /scannow
This requires a i386 folder on your computer or a recovery disk or windows installaiton disk.
If this doesn't repair the problem, turn off all programs in startup (start button > run > type msconfig > click on startup tab > disable everything > restart.
If this doesn't fix the problem Determine what program start the problem.
If you need more time click start button > run > type shutdown -a > this will abort the shutdown.
Also run cleanup - open my computer, right click on the c drive, select properties, click disk cleanup
-try t drain everything out of the computer first; remove the power adapter then remove the battery; after 1 minute try again; if problem persists run diagnostics
--while the computer is off, press and hld the "Fn" key then press the power button at the same time to start the test; note down error message then consult manufacturer for the code obtained. if no errors found it is a windows problem; you need to reinstall windows on the computer
try restore ur system to factory default state when u purchased it as new u can do that as follows
from ur backup OS cd or try this
BEFORE TURNING ON THE LAPTOP, press and hold the 0 (zero) button on the keyboard, then turn on the computer while holding the 0 (zero) button down. When the Toshiba logo screen appears, you can release the 0 key.
if the problem persists after this then i am 100% sure about hardware malfunction that is RAM problem kindly replace and check if it works or if u have two RAM chips installed try each one at a time to find the faulty one
Go into safe mode and then go into MSCONFIG and click on the startup tab. You'll see a bunch of checkmarks in boxes of all the programs that are running. Disable all of them, and then restart the computer and let it go into windows normally. It it boots all the way normally then that means you had something running in the background that was causing windows to shut down and you'll have to figure out which program it was and uninstall it.