If machine not booting it could be a bad cmos, hard drive, mo bo, peripheral, corrupted OS, bad power supply, bad memory,
Remove the hard drive and see if it posts and then gives you message that there no boot drive If that does not happen then machine is not even posting which means something is wrong with the cmos. - not a good thing.
removing the hdd and putting it back some times works,make sure you are turnd off before removing the hdd,if this does not work check all your ram one by one and see if that works.try just one ram on its own and see what happens.
If your computer is asking for a bootable disk drive on startup, it typically indicates drive failure and your harddrive needs replacement. Sorry for the badnews.
Remove the screen and check at the hinged area (where the screen meets the keyboard) for any broken or damaged wire/s . I've experienced this on my wife's Toshiba only a week ago.
Yeah, i think your HDD might be lifespan is nearing it end.if you want to back up your data inside that HDD, assuming you gonna buy a new HDD soon, just give your current HDD to the seller and they will gladly extract whatever they can from it to your new HDD.
After you remove the hard disk, did you try to boot the machine with a bootable flash drive or CD/DVD? Booting from a Live Linux disc you create on a different machine (free for download and use) or something like that will determine if the rest of the machine has any issues or not. If it will boot like that, then you may have a faulty hard disk, and need to replace it. I hope you have been backing up your data if this is the case.
Download a new driver using the name and number plus add "drivers"... Also, check your cables and that if you have remote mouse, that battery still works.
Laptop hang issues can be a
frustrating issue for the user and a tedious problem for a technician.
The variety of causes for this event
are staggering, but many can be diagnosed in a few simple steps.
Peripheral Issues
USB drives, inserted before boot,
will cause a hang.
Remove all such devices and media
(such as CDs and floppy disks) before booting your laptop.
Software Causes
Press "F8" at boot and
press "Last Known Good Configuration" to take your laptop to a
previous working boot. Starting your laptop in "Safe Mode" by
pressing "F8" at boot will help
you check for software causes for a
hanging laptop.
By turning off unnecessary
processes, this mode allows you to run anti-spyware and antivirus software to
clear malware that hinders performance.
Perform a check disk by
right-clicking on your "C Drive" found in "My Computer."
At the "Properties" link,
press the "Tools" tab to schedule error checking.
Reboot your laptop and let it
perform this check.
Hardware Causes
Verify that your RAM is seated
correctly by removing it carefully from under its access door on the bottom of
your laptop and reinserting it.
Do not touch its gold contact
points, as this may damage the memory.
Download the hard drive
manufacturer's diagnostic software to test the integrity of the hard disk.
If you have access, run a
professional hardware diagnostic suite to check the motherboard and CPU.
Boot with the battery removed to
verify that there is not an issue with power conflicts.
Final Considerations
Checking the "Event Viewer from
Administrative Tools" located in "Control Panel" (XP only) can
also shed light on potential causes.
Performing a repair installation of
Windows can address missing files, registry errors and corrupted system files
without damaging your data.
This process requires your original
Windows disks but is often quite useful.
Press windows button and in the
search type msconfig go to startup tab and uncheck those you dont want to
start.
scroll to the bottom toolbar bottom
of screen right click you can select task manager applications also processes
you will see whats running on your computer and ticking over you might have a
virus
http://www.majorgeeks.com/Microsoft_Security_Essentials_for_Windows_d6242.html
microsoft security essentials your operating system
must be registered
Win7/Vista/XP
64 bit
http://majorgeeks.com/downloadget.php?id=4281&file=1&evp=dbb3b0aebe6a6a4ff18089a6489a5e62
anti malware free edition Win XP/2003/Vista/Windows7
if you see something running that
you does not need to be running select end now then you might you might
uninstall that particular program
and some unnecessary programs
you should also check leads from
motherboard to hard drive for secure dust free connections
click start control panel
administrative tools computer management disk management right click on your
drive select properties click tools you should see click check now
click start tick in both boxes this
will schedule to on restart
do not have any input while chkdsk
utility is in progress any might damage your computer
also you
might download and use this registry cleaner it is totally free to use
http://download.cnet.com/ccleaner/
then defragment your hard drive
adding more ram is the best way of speeding
up a computer
If youre
not sure if a module is right for your system use theCrucial Memory Advisor tool
for a list of guaranteed compatible modules
you should always ask for a guarantee on compatibility before purchasing any
ram and buy working pairs if possible
you might have to many programs
running at the same time putting to
much strain on the CPU central processing unit
try uninstalling a few unnecessary programs
This tool deletes unnecessary or
temporary files on your hard disk so you can increase the amount of storage
space you have.
Delete the files using Disk Cleanup
If you want to reduce the number of
unnecessary files on your hard disk to free up disk space and help your
computer run faster, use Disk Cleanup.
It removes temporary files, empties
the Recycle Bin, and removes a variety of system files and other items that you
no longer need.
Open Disk Cleanup by
clickingstartall programsaccessoriessystem tools
and then clicking Disk
Cleanup.
In the Disk Cleanup
Options dialog box, choose whether you want to clean up your own files
only or all of the files on the computer.If you are prompted for an
administrator password or confirmation, type the password or provide
confirmation.
If the Disk Cleanup
Drive Selection dialog box appears, select the hard disk drive that you
want to clean up, and then click OK.
Click the Disk
Cleanup tab, and then select the check boxes for the files you want to
delete.
When you finish selecting the files
you want to delete, click OK, and then click Delete files to confirm the operation.
Disk Cleanup proceeds to remove all
unnecessary files from your computer.
This tool deletes unnecessary or temporary files on
your hard disk so you can increase the amount of storage space you have.
Delete the files using Disk Cleanup
If you want to reduce the number of
unnecessary files on your hard disk to free up disk space and help your
computer run faster, use Disk Cleanup.
It removes temporary files, empties
the Recycle Bin, and removes a variety of system files and other items that you
no longer need.
Watch the demo (1:00)
this
should speed up your computer
Overheating When the CPU overheats then it will shut down (i.e. thermal overload) and won't boot up again until it has cooled down. If this is the problem is not fixed then the CPU will eventually fail. A faulty fan causes the problem or the fan and heat sink assembly are clogged with dust. Check the CPU fan to see if it spins freely, if not replace the fan. If the fan and heat sink is clogged with dust the remove the dust and make sure the vents are clear and dust free. Use a small brush and can of compressed air to do this.
Assume you mean taskbar.For windows 7 - press the tiny ^ bottom right, then CustomizeA list of icons will appear, select Show icon and notifications next to loudspeaker.
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules Only work inside the computer case when the power has been switched off and disconnected. Never open the power source. Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards Remove the memory modules from their slots. Take the opportunity to clean the slots on the motherboards and the memory module connectors. Use compressed air to blow dust away and clean contacts with a soft cloth. Do not use a metallic vacuum cleaner if it touches any component it may create a short and cause damage to the motherboard or other components. Do not use solvent that may attract dust and never poke things like cotton buds in to slots. lightly rub an alcohol on a cloth not to hard let the alcohol do the work on the copper gold or silver tabs and r Allow the pins to dry. They will air dry in a matter of minutes If reseating the memory did not resolve the issue try swapping the location of the memory. If you have only one stick of memory in the computer try moving it to another slot and then boot the computer. Check the memory module and memory slot contacts. They are either copper tin or gold. The colour will tell you which they are. Mixing tin and gold can result in corrosion that prevents proper contact. Look for any sign of physical damage to the memory module, memory slots or the motherboard. Reseat the memory modules. You should hear an audible click when they are in place. Do not use too much force to reseat the memory module in to the slot this can cause damage to the module, slot or motherboard. Thermal compound is a sticky paste that is placed directly onto the CPU. http://www.hardwaresecrets.com/article/Thermal-Compound-Roundup-February-2012/1490 Allowing for a more direct heat transfer between the CPU and HEAT SINK and preventing air gaps from forming between the CPU and heat sink. The hardware that you are trying to access is damaged or failing.Capacitor Capacitors, sometimes also called condensers, are used to store energy in an electric field. In the context of computing, capacitors are used to block the direct current being circulated around the motherboard. A typical capacitor should last up to 15 years, but some computer manufacturers use substandard capacitors resulting in shorter lifetimes. Computer Problems b> When a capacitor has gone bad on a computer you may experience a large range of problems. The computer may have trouble booting up, or it may shut down without notice after running for only a short period of time. The most common problems associated with faulty capacitors are that they cause unexpected computer crashes and general reliability issues ranging from read/write issues to distorted screen images. b> Identifying a Bad Capacitor b> To identify a bad capacitor you will need to open your computer case and locate the capacitors on your motherboard. A bad capacitor may exhibit swelling at the top or the base of the capacitor or it may sit at an awkward angle with the motherboard, so compare the various capacitors in your computer in terms of and placement. Additionally, a bad capacitor may have a funny smell or it may have a brownish residue leaking from the top or the base. b> Prevention b> Manufacturers claim that capacitors may go bad because a computer is not receiving enough power from a power supply, because of an overclocked processor or because a computer is operating in an environment with too much heat or humidity. However, some capacitors prematurely fail due to faulty work on the part of the manufacturer. If you have a bad capacitor be sure to do research as to the lifespan of other products made by your manufacturer. Identifying bad capacitors http://www.youtube.com/watch?v=ngA4k32jLGc Capacitor replacement http://www.youtube.com/watch?v=s0Pn2tEjY04 How to check a capacitor http://www.youtube.com/watch?v=U4tnHA0phcc Replacing a leaking capacitor http://www.youtube.com/watch?v=s0Pn2tEjY04 The device drivers for the hardware are faulty or incompatible. Could be a problem with the Hard Drive or the Hard drives PCB http://www.onepcbsolution.com/ There is a connection problem such as a bad cable Test all power and data leads that attach to your hard drive SATA the leads from your MOTHERBOARD TO THE HARD DRIVE make sure they have a secure dust free connections and are not faulty. Although it would be very rare for the sata lead to be faulty. Make sure all leads that are attached to your drives dvd\cd have secure connections and are not faulty Computers need power and data to travel through every working device and continue its cycle and have an end so any faulty leads will end up with a computer error
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules Only work inside the computer case when the power has been switched off and disconnected. Never open the power source. Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards Remove the memory modules from their slots. Take the opportunity to clean the slots on the motherboards and the memory module connectors. Use compressed air to blow dust away and clean contacts with a soft cloth. Do not use a metallic vacuum cleaner if it touches any component it may create a short and cause damage to the motherboard or other components. Do not use solvent that may attract dust and never poke things like cotton buds in to slots. lightly rub an alcohol on a cloth not to hard let the alcohol do the work on the copper gold or silver tabs and r Allow the pins to dry. They will air dry in a matter of minutes If reseating the memory did not resolve the issue try swapping the location of the memory. If you have only one stick of memory in the computer try moving it to another slot and then boot the computer. Check the memory module and memory slot contacts. They are either copper tin or gold. The colour will tell you which they are. Mixing tin and gold can result in corrosion that prevents proper contact. Look for any sign of physical damage to the memory module, memory slots or the motherboard. Reseat the memory modules. You should hear an audible click when they are in place. Do not use too much force to reseat the memory module in to the slot this can cause damage to the module, slot or motherboard. Could even be a virus or malware Download and install at least one of these all free depending on your operating system http://spybot-search-destroy.soft32.com/ Freeware detect and remove a multitude of adware files and modules. http://www.majorgeeks.com/Microsoft_Security_Essentials_for_Windows_d6242.html microsoft security essentials your operating system must be registered http://windows.microsoft.com/en-US/windows/products/security-essentials/product-information malware protection http://100-downloads.com/download.php?p=615 windows xp microsoft security essentials http://100-downloads.com/download.php?p=614 windows 7 microsoft security essentials Thermal compound is a sticky paste that is placed directly onto the CPU. http://www.hardwaresecrets.com/article/Thermal-Compound-Roundup-February-2012/1490 Allowing for a more direct heat transfer between the CPU and HEAT SINK and preventing air gaps from forming between the CPU and heat sink. The hardware that you are trying to access is damaged or failing.Capacitor Capacitors, sometimes also called condensers, are used to store energy in an electric field. In the context of computing, capacitors are used to block the direct current being circulated around the motherboard. A typical capacitor should last up to 15 years, but some computer manufacturers use substandard capacitors resulting in shorter lifetimes. Computer Problems b> When a capacitor has gone bad on a computer you may experience a large range of problems. The computer may have trouble booting up, or it may shut down without notice after running for only a short period of time. The most common problems associated with faulty capacitors are that they cause unexpected computer crashes and general reliability issues ranging from read/write issues to distorted screen images. b> Identifying a Bad Capacitor b> To identify a bad capacitor you will need to open your computer case and locate the capacitors on your motherboard. A bad capacitor may exhibit swelling at the top or the base of the capacitor or it may sit at an awkward angle with the motherboard, so compare the various capacitors in your computer in terms of and placement. Additionally, a bad capacitor may have a funny smell or it may have a brownish residue leaking from the top or the base. b> Prevention b> Manufacturers claim that capacitors may go bad because a computer is not receiving enough power from a power supply, because of an overclocked processor or because a computer is operating in an environment with too much heat or humidity. However, some capacitors prematurely fail due to faulty work on the part of the manufacturer. If you have a bad capacitor be sure to do research as to the lifespan of other products made by your manufacturer. Identifying bad capacitors http://www.youtube.com/watch?v=ngA4k32jLGc Capacitor replacement http://www.youtube.com/watch?v=s0Pn2tEjY04 How to check a capacitor http://www.youtube.com/watch?v=U4tnHA0phcc Replacing a leaking capacitor http://www.youtube.com/watch?v=s0Pn2tEjY04 The device drivers for the hardware are faulty or incompatible. Could be a problem with the Hard Drive or the Hard drives PCB http://www.onepcbsolution.com/ There is a connection problem such as a bad cable Test all power and data leads that attach to your hard drive SATA the leads from your MOTHERBOARD TO THE HARD DRIVE make sure they have a secure dust free connections and are not faulty. Although it would be very rare for the sata lead to be faulty. Make sure all leads that are attached to your drives dvd\cd have secure connections and are not faulty Computers need power and data to travel through every working device and continue its cycle and have an end so any faulty leads will end up with a computer error
