My younger bother was doing some work on PC without using UPS. Suddenly electricity gone and PC turned off. After some days I started the PC but after some boot process of XP, it was shutdown. Yesterday again I tried with bootable CD, but there was no power supply to Keyboard from CPU.When I inserted mouse cable in the same port, mouse was working fine. So I thought that there is some problem in Keyboard. But I checked this keybord with another PC and it is working fine. So I was not able to change the BIOS Setting.Please help me out.
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first check leads from motherboard to hard drive make sure they have good connections with no dust in the socket pin connections also check electrical extensions even something as small as an electrical fan and the fans lead connection can cause this problem
computers nedd all data and power through every working device and to have an end point to work properly also check your graphics card if you remove it to check the socket for dust
restart your computer should activate found new hardware wizard
The UPS may not be sufficiently stable on power-on to run a PC immediately.
Try going into the BIOS setup after the restart and look for the option that has the computer "Start up automatically after power failure." Turn this off. That will take care of problem 1.
If this also takes care of problem 2, you may want to check whether the UPS has a problem. Start by plugging a couple of lamps with 100 Watt bulbs into the UPS outlets instead of the computer. Turn it on - the lamps should behave normally, not flicker or change brightness. With the lamps and UPS still on, unplug the UPS. The lamps should stay on with little or no change, and the battery warning light should not come on right away. If the UPS fails this test, its battery may need to be replaced or it has a regulator problem.
If able to load win XP or any operating system that mean your system is booting and is in good condition. if there is issue with load of OS in normal mode then you try using last used configuration. follow this steps
1) keep press F8 when bios screen goes off until you see win xp option
2) then choose "last used configuration".
it will try to boot the system even though the system does boot properly then repair the os by booting xp dvd or cd from cd & dvd drive.
i hope this will resolve the issue.
Have bad news for you, means your power pack or the mother board or the ram has blown, so here is what you do, remove the back covers of the laptop remove the hard drive, put the hard drive in another pc, or a friends, backup all your data,
take the pc to your nearest hp or whatever the make is support centre, to be checked by profesional it tech's, or you can open the laptop up, and replace the part a see which is not working anymore,
Really sorry to here what happend, but in the future make sure you unplug any electrical stuff from the mains when there is thunder, get a ups and a surge protector, it can also help protecting you from brownages, power spikes,
It could ofcourse be a virus, so I'd recommend a system restore back to before that happened. If that doesn't help load a backup or do a clean install.
Could also be the power connector on your motherboard is shorting with the reset connector (they're right next to each other) Maybe you'd check that first, before the clean install. Don't know if that mobo has a reset button though. They're usually in the right bottom corner of the mobo, together with all the other front panel connectors. Maybe you could insulate the power and reset buttons?
Else you could always buy socket with an off/off switch, and connect the PC to that. Just shutting it down and than turning off the socket when the reboot starts won't hurt the PC.
It may be a setting called ups in control panel>power options and make sure ups is enabled and set up correctly.
The only other way to do it is from the power connectors on the motherboard from the front panel, if you get the + and - the wring way round it will make the pc turn on without the use of the button