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Pc trouble shouting by memon
1. By : Engr. Abdul Razzaque Memon
MCS (IT/MIS) ; B.E (Electronics) ; P.E (PEC)
2. Solution
1. Ensure that your system BIOS lists the hard drive
as one of the boot devices. In addition, set the boot
order in BIOS to allow the hard drive to become the
first boot device
The hard drive is unplugged
2. Ensure your hard drive is recognized during system
post. If it is not, check your cables and connections
3. If you have recently installed a new hard drive,
CD/DVD drive, check the jumpers on the
drives. In some cases, with older IDE cables,
you cannot use the Master and Slave jumper
settings and you must use Cable Select.
Disk dumb for removing disk bad sector
4. Problem
Over dust
RAM problem
Processor is not working properly
Right-click My Computer, and then click Properties.
2. Click the Advanced tab.
3. Under Startup and Recovery, click Settings to open the
Startup and Recovery dialog box.
4. Clear the Automatically restart check box, and click OK the
necessary number of times.
5. Restart your computer for the settings to take effect.
5. Check hard disk OS having or not
Check BIOS whether the hard disk is enable
or not (advanced)
6. Remove SMPS from computer
Take one cable wire
Set the wire in 4 and 5 pin in Power
connector( green and black )
Whether the fan is working or not if fan is
rotating means SMPS is good otherwise the
SMPS is not Good so we must change SMPS
new One
7. Check Power Switch
Check power in motherboard
Check RAM
Check SMPS
Check Power cable
8. Remove CMOS battery from that location
Short CMOS shorter by
It simply means to reseat the CMOS, take the CMOS jumper
out, turn on the machine for a sec, turn it off again and
reseat the jumper,
OR
if the jumper is on a port with 3pins and the jumper is 2pins
wide then move it to the other position and boot for a sec
then put the jumper back the way it was.
You will need to set a few BIOS options after this
9. Problem
Fan is first 5 sec is rotating but not display in monitor
Solution
1. Remove Everything
2. Clean everything
3. And take the motherboard, RAM, SMPS, monitor.
4. Now plug one by one check whether it is working or not. If
it is booting no problem
5. If not booting means check SMPS, RAM, Processor,
Monitor Cable.
10. Check cable
▪ Same device cross cable
▪ Difference device straight cable
Check IP Address (same network)
Type ping
▪ If Request timed out that IP is not in Network
▪ If Destination host Unreachablehost is not connected
Solution
▪ Check IP address
▪ Check firewall is on/off
11. The possible fix for the ICMP error message "Destination
Host Unreachable" are:
1. Make sure that local host is configured correctly
2. Make sure Destination Computer/Device is up
3. Disable the Firewall and check for the issue.
4. Perform a tracert to the destination IP and check where
the problem lies
12. destination device is not connected to the network,
is powered off
not configured correctly
It could also mean that some intermediate device is
not operating correctly
invalid IP address or that the system is not on the
same network as the remote host intermediary
device is not configured correctly
13. No beep no power supply
1 beep normal booting
2 beep CMOS Error
1long 3 short beep video Error
133 Keyboard Error
1333Memory Error (depend upon manufacturer)
ACER no sound
Continues beep Memory error
3 long beep Motherboard problem
14. OS CD
Give first Repair
Then give 1 for winodws location
Then type administrator password
Then search CD drive letters
Then c:copy source destination
Reboot the computer
15. Reboot
Press f8
go to safe mode or last known good
configuration
Then login as a administrator and then
reboot
Start windows normal
16. Monitor is blank after restarting system:
Check to be sure that the Monitor has power and that the light is
on.
Disconnect all devices except for the keyboard and
monitor. Reboot your computer to see if the issue is resolved. If it is,
then it is one of the devices that you have disconnected that is causing
the problem. try connecting them one at a time and rebooting each time
until the original problem occurs. Once identified, try reinstalling
the device and updating the driver to resolve the issue.
Try connecting the monitor to a different PC using the problem
monitor's power cable. If it still doesn't work, try the known good
monitors power cable.
17. Try unplugging the monitors power cable,
then wait about 20 or 30 seconds and plug
it back in.
If none of the above troubleshooting steps
does not solve the issue, then it is likely
that the monitor is bad.
18. Start the system in Safe Mode by rebooting the system and
pressing the F8 key once per second while it is rebooting.
Once you see the Windows Startup menu, select Safe
Mode from the listed options. press Enter.
Go to Start>> Right click My Computer>> Properties>>
Hardware tab>> Device Manager button.
Click the plus (+) symbol next to the Monitors entry to
expand it.
Once expanded, right click on the installed monitor(s) and
select Uninstall.
Exit the Device Manager and restart your system.
Windows will reinstall your hardware automatically.
19. First repair Recovery Console( Press R) at
startup
type the administrator password, and then
press ENTER.
In Command prompt type bootcfg /list,
Boot.ini file appear on the screen.
type bootcfg /rebuild
20. When you receive a message that is similar to the following
message, press Y :Total Identified Windows
Installs: 1
[1] C:Windows
Add installation to boot list? (Yes/No/All)
Enter Load Identifier (type the name of the
operating system (Microsoft Windows XP Professional or
Microsoft Windows XP Home Edition. )
Enter OS Load options (type /fastdetect )
Type exit
21. expand d:i386hal.dl_
c:windowssystem32 press enter
press Y.
exit and then press Enter to restart your PC.