Test your PSU power supply unit or replace it if your power
supply units fan is not working your PSU is faulty
http://pcsupport.about.com/od/toolsofthetrade/f/powersupplytest.htmTesting and replacing the PC power supplyhttp://www.youtube.com/watch?v=hbNxhvm0czs
One bad lead can cause a computer to continue on a cycle of
restarting or to shutdown or fail to detect ,boot up a computer hard drive
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
Power surges are damaging spikes of voltage in an electrical
systems, caused by lightning strikes, changes or problems with the electrical
grid, or large appliances.
Power surges damage or destroy computer hardware by
overheating circuit boards and other components.
Surge protectors and other devices are used to protect
computers and other electrical devices from power surges.
If damage occurs to a computer from a power surge, a process
of trial and error is used to replace the damaged components.
Replace the surge protector or power strip.
If neither was attached to the computer, it is highly
recommended that one be used.
Follow the user's manual to open the computer.
The computer manual may have shipped with the computer in
book or CD form or may be found online.
Examine the system and make note of any visibly damaged
components.
Damaged components may show visible burn damage or no damage
at all.
Follow the user manual to remove the power supply.
You will need to unplug the power connections to each device
in the computer as well as the system board.
Removal is generally achieved by removing the holding screws
and lifting the power supply out of the system.
Follow the user manual to install the new power supply.
Plug the power cables into the computer components and the
system board.
Close the case.
Do not re-insert the screws.
Plug the power cable into the computer and attempt to power
the computer on.
Replace the power cables to the monitor and computer.
Examine the monitor.
If the monitor does not power on, it will need to be
replaced.
Determine if both the monitor and computer power on.
If the monitor powers on but the computer does not replace
the system board.
If both power on but there is no video signal, replace the video
card.
Boot the system into Windows.
Go to the "Control Panel" and double-click on the
"System" icon.
Click on the "Hardware" tab. Double-click the
network card, sound card, and other peripherals that are listed in the hardware
tab.
If you replaced the system board, ensure that the device
drivers are in place for the peripherals. Replace any peripheral that is still
non-functional.
Computer Repair Tutorial Help and Tips
http://www.thepcmanwebsite.com/computer_repair.shtml
chnage the resolution from game menu to the one that is good for your device. If you dont know to what resolution you need to go, leave here some info.
There is free software available for retrieving deleted items. Important thing is to not add anything to your computer hard drive so as to prevent it from writing over the alleged deleted file(s).
first check if there is power failure in your locality
check if switch is on
check if UPS is working
check SMPS
if sms ok then check motherboard
could be static current in ram
Verify all the cables are seated. You may also have a problem with your graphics hardware or drivers. If you get the BIOS screen typically signified by the manufacturer logo, press F8 to enter safe mode. If that works then it is most likely a driver issue.
Only two models came with Wi-FI
5316-1BU and
5316-1CU
Here is the datasheet
Her http://shop.lenovo.com/ISS_Static/WW/AG/merchandising/US/PDFs/kseries_techspecs_110909.pdf
Go to Control Panel, then Device Manager, it will show you if you have Wi-Fi or not and if is enabled. If it is disabled, enable it here.
You can also buy a USB Wi-Fi adapter compatible with Windows 7 Operating system.
That sounds like a BIOS password. I've never had any luck getting around those.. supposed tricks involving pulling the battery .. or maybe there's a what's called a "dip switch" to reset the bios on it..
Two possibilities: your pc's resolution is not high enough (which means you need to go to the desktop, right click anywhere in the blank area, select screen resolution, and change it to something higher) or, your browser is "zoomed". Hit ALT (the alt key) + V (for view) go to Zoom and lower the zoom factor.
I suspect the second is the problem as it's easy to zoom (ctrl+ and ctrl- will do it too).
WHERE DO I GET MY PUK CODE?
The PUK code is unique to your SIM card, so you can only get this from your mobile network.Sometimes they will give you this when you first get the SIM card, but not all networks do this. If you cannot find it, give your mobile network a call and they will be able to give you the PUK code after you have answered some security questions
