The most common possible reason is hardware failure. Shotdown your device. Disconnect the hard disk and ram. If you can reset the CMOS by disconnecting CMOS battery, its better. Disconnect device battery and make sure it was unplugged from AC power source. Now press the power button within at least 15 to 20 seconds to drain. Insert back the ram ( if you have spare ram tested working its better ). Plugged the device to AC power source. Power on the device and simultaneously press the F2 to enter the bios. Some keys to enter BIOS is DELETE or ESC. If you can enter the BIOS select Load Default Settings. Save and exit. Unplugged the power source and attached the hard drive. Again plugged to power source and power on the device. Repeat entering the BIOS and check your Hard Drive from main tab or if it was listed on Boot priority. If you found there just exit and restart the machine. It should boot on its operating system or display message error startup listing many options like safe mode, boot normally, last common good configuration and others. Choose start normally if you're unsure. It should boot on windows successfully
SOURCE: Hard Disk and Booting issue
Check the power cable of the HDD is fixed correctly
Check the data cables is connected properly
Re-install the OS
SOURCE: When booting up the screen scrolls to
In your BIOS use IDE(IDE mode). This lets the Sata drive run without any special
drivers. You loose hot swap and native command queuing.
ACHI(Advanced Controller Host Interface) is for things like hot swap and native command queuing(more useful for servers).
If
you plan to hot swap drives later then ACHI is a good option, but
requires a driver on windows install. You may be able to change it
after windows is installed.
SOURCE: Picture and audio cut in and out.PWR/STBY button 5 red flashes
Look at this link on the bottom to see what the blinks tell you.
http://www.agoraquest.com/viewtopic.php?forum=70&topic=31721
Mike
SOURCE: My system does not boot properly
This is common when there are corrupted boot files on your HDD or your HDD has failed. You need to boot to a windows CD and repair your startup files.
Alternatively you can reformat to a fresh windows install but you will lose all
of your data. If the previous steps fail then it looks like you may need to replace your HDD.
Hope this helps,
www.PuterCare.com
SOURCE: how do i fix my
Your laptop can't find an operating system, check the operating system as it installed properly. If its is then you need to check the hard disk drive of your laptop because it is missing from the motherboard.
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