TroubleshootingTroubleshooting

By By

AmulRajIAmulRajI

1. Disk Boot Failure1. Disk Boot Failure

SolutionSolution1. 1. Ensure that your system BIOS lists the hard drive Ensure that your system BIOS lists the hard drive as one of the boot devices. In addition, set the boot as one of the boot devices. In addition, set the boot order in BIOS to allow the hard drive to become the order in BIOS to allow the hard drive to become the first boot device first boot device

The hard drive is unpluggedThe hard drive is unplugged

2. Ensure your hard drive is recognized during system 2. Ensure your hard drive is recognized during system post. If it is not, check your cables and connectionspost. If it is not, check your cables and connections

1. Disk boot failure…1. Disk boot failure…

If you have recently installed a new hard drive, If you have recently installed a new hard drive, CD/DVD drive, check the jumpers on the CD/DVD drive, check the jumpers on the drives. In some cases, with older IDE cables, drives. In some cases, with older IDE cables, you cannot use the Master and Slave jumper you cannot use the Master and Slave jumper settings and you must use Cable Select. settings and you must use Cable Select.

Disk dumb for removing disk bad sectorDisk dumb for removing disk bad sector

Repeated RestartingRepeated Restarting

ProblemProblem

Over dustOver dustRAM problemRAM problemProcessor is not working properlyProcessor is not working properly

Right-click My Computer, and then click Properties.Right-click My Computer, and then click Properties.

2. Click the Advanced tab.2. Click the Advanced tab.

3. Under Startup and Recovery, click Settings to open the 3. Under Startup and Recovery, click Settings to open the Startup and Recovery dialog box.Startup and Recovery dialog box.

4. Clear the Automatically restart check box, and click OK the 4. Clear the Automatically restart check box, and click OK the necessary number of times.necessary number of times.

5. Restart your computer for the settings to take effect. 5. Restart your computer for the settings to take effect.

No operating System foundNo operating System found

Check hard disk OS having or notCheck hard disk OS having or not Check BIOS whether the hard disk is Check BIOS whether the hard disk is

enable or not (advanced)enable or not (advanced)

SMPS problemSMPS problem

Remove SMPS from computerRemove SMPS from computer Take one cable wireTake one cable wire Set the wire in 4 and 5 pin in Power Set the wire in 4 and 5 pin in Power

connector( green and black )connector( green and black ) Whether the fan is working or not if Whether the fan is working or not if

fan is rotating means SMPS is good fan is rotating means SMPS is good otherwise the SMPS is not Good so otherwise the SMPS is not Good so we must change SMPS new One we must change SMPS new One

No bootingNo booting

Check Power SwitchCheck Power Switch Check power in motherboardCheck power in motherboard Check RAMCheck RAM Check SMPSCheck SMPS Check Power cableCheck Power cable

Remove CMOS passwordRemove CMOS password

Remove CMOS battery from that locationRemove CMOS battery from that location Short CMOS shorter by Short CMOS shorter by

It simply means to reseat the CMOS, take the It simply means to reseat the CMOS, take the CMOS jumper out, turn on the machine for a sec, CMOS jumper out, turn on the machine for a sec, turn it off again and reseat the jumper,turn it off again and reseat the jumper,ORORif the jumper is on a port with 3pins and the if the jumper is on a port with 3pins and the jumper is 2pins wide then move it to the other jumper is 2pins wide then move it to the other position and boot for a sec then put the jumper position and boot for a sec then put the jumper back the way it was.back the way it was.

You will need to set a few BIOS options after this You will need to set a few BIOS options after this

FAN is first 5 sec workingFAN is first 5 sec working

ProblemProblem Fan is first 5 sec is rotating but not display in Fan is first 5 sec is rotating but not display in

monitormonitorSolutionSolution1.1. Remove EverythingRemove Everything2.2. Clean everythingClean everything3.3. And take the motherboard, RAM, SMPS, monitor.And take the motherboard, RAM, SMPS, monitor.4.4. Now plug one by one check whether it is working Now plug one by one check whether it is working

or not. If it is booting no problemor not. If it is booting no problem5.5. If not booting means check SMPS, RAM, If not booting means check SMPS, RAM,

Processor, Monitor Cable. Processor, Monitor Cable.

LAN ProblemLAN Problem

Check cableCheck cable Same device Same device cross cablecross cable Difference deviceDifference device straight cable straight cable

Check IP Address (same network)Check IP Address (same network) Type pingType ping

If Request timed outIf Request timed out that IP is not in Network that IP is not in Network If Destination host UnreachableIf Destination host Unreachablehost is not host is not

connectedconnected SolutionSolution

Check IP address Check IP address Check firewall is on/offCheck firewall is on/off

Destination host Destination host unreachableunreachable

The possible fix for the ICMP error message The possible fix for the ICMP error message "Destination Host Unreachable" are:"Destination Host Unreachable" are:

1. Make sure that local host is configured 1. Make sure that local host is configured correctlycorrectly

2. Make sure Destination Computer/Device is up2. Make sure Destination Computer/Device is up

3. Disable the Firewall and check for the issue.3. Disable the Firewall and check for the issue.

4. Perform a tracert to the destination IP and 4. Perform a tracert to the destination IP and check where the problem lies check where the problem lies

Request Timed outRequest Timed out

destination device is not connected to the destination device is not connected to the network, is powered offnetwork, is powered off

not configured correctly not configured correctly It could also mean that some intermediate It could also mean that some intermediate

device is not operating correctly device is not operating correctly invalid IP address or that the system is not invalid IP address or that the system is not

on the same network as the remote host on the same network as the remote host intermediary device is not configured intermediary device is not configured correctly correctly

Beep sequenceBeep sequence

No beepNo beep no power supply no power supply 1 beep1 beep normal booting normal booting 2 beep2 beep CMOS Error CMOS Error 1long 3 short beep1long 3 short beep video Error video Error 133 133 Keyboard Error Keyboard Error 13331333Memory Error (depend upon Memory Error (depend upon

manufacturer) ACER no soundmanufacturer) ACER no sound Continues beepContinues beep Memory error Memory error 3 long beep3 long beep Motherboard problem Motherboard problem

NTLDR file is missingNTLDR file is missing

OS CDOS CD Give first RepairGive first Repair Then give 1 for winodws location Then give 1 for winodws location Then type administrator password Then type administrator password Then search CD drive letters Then search CD drive letters Then c:\copy source destinationThen c:\copy source destination Reboot the computerReboot the computer

Driver problemDriver problem

RebootReboot Press f8Press f8 go to safe mode or last known good go to safe mode or last known good

configuration configuration Then login as a administrator and Then login as a administrator and

then rebootthen reboot Start windows normalStart windows normal

Monitor ProblemMonitor Problem

Monitor is blank after restarting system:Monitor is blank after restarting system: Check to be sure that the Monitor has power and that the Check to be sure that the Monitor has power and that the light is light is

on.on. Disconnect all devicesDisconnect all devices except for the except for the keyboard and keyboard and

monitormonitor. Reboot your computer to see if the issue is resolved. If it is, . 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 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 the problem. try connecting them one at a time and rebooting each time until the original problem occurs. until the original problem occurs. Once identifiedOnce identified, try reinstalling , try reinstalling

the device and the device and updating the driver to resolve the issue.updating the driver to resolve the issue. Try connecting Try connecting the monitor to a different PCthe monitor to a different PC using the problem using the problem

monitor's power cable. If it still doesn't work, try the monitor's power cable. If it still doesn't work, try the known goodknown good

monitorsmonitors power cable. power cable.

Monitor problemMonitor problem

Try Try unpluggingunplugging the monitors power the monitors power

cable, then wait about cable, then wait about 20 or 3020 or 30 seconds and plug it back in. seconds and plug it back in.

If none of the above troubleshooting If none of the above troubleshooting

steps steps does not solvedoes not solve the issue, the issue,

then it is likely that the then it is likely that the monitor is monitor is bad.bad.

After connecting a monitor, After connecting a monitor, the picture looks bad:the picture looks bad:

Start the system in Safe Mode by rebooting the system and Start the system in Safe Mode by rebooting the system and pressing the pressing the F8 F8 key once per second while it is rebooting. Once key once per second while it is rebooting. Once you see the Windows Startup menu, select you see the Windows Startup menu, select Safe ModeSafe Mode from from the listed options. press Enter. the listed options. press Enter.

Go to Start>> Right click My Computer>> Properties>> Go to Start>> Right click My Computer>> Properties>> Hardware tabHardware tab>> >> Device ManagerDevice Manager button. button.

Click the Click the plus (+)plus (+) symbol next to the Monitors entry to expand symbol next to the Monitors entry to expand it. it.

Once expanded, right click on the installed monitor(s) and select Once expanded, right click on the installed monitor(s) and select Uninstall.Uninstall.

Exit the Device Manager and Exit the Device Manager and restartrestart your system. your system. Windows will Windows will reinstallreinstall your hardware your hardware automatically.automatically.

Boot.ini file is missing and Boot.ini file is missing and hall.dll file is missinghall.dll file is missing

First repairFirst repair Recovery Console( Press Recovery Console( Press R) at startup R) at startup

type the administrator password, and type the administrator password, and then press ENTER. then press ENTER.

In Command prompt type In Command prompt type bootcfg bootcfg /list, /list, Boot.ini file appear on the Boot.ini file appear on the screen. screen.

type type bootcfg /rebuildbootcfg /rebuild

Boot.iniBoot.ini

When you receive a message that is similar to the When you receive a message that is similar to the following message, following message, presspress YY : :Total Identified Total Identified WindowsWindows Installs:Installs: 1 1

[1] C:\Windows [1] C:\Windows Add installation to boot list? (Yes/No/All)Add installation to boot list? (Yes/No/All)

Enter Load IdentifierEnter Load Identifier (type the name of the (type the name of the operating system (Microsoft Windows XP operating system (Microsoft Windows XP Professional or Microsoft Windows XP Home Edition. )Professional or Microsoft Windows XP Home Edition. )

Enter OS Load optionsEnter OS Load options ( (type /fastdetect type /fastdetect ))

Type exitType exit

Hal.dllHal.dll

expand expand dd:\i386\hal.dl_ :\i386\hal.dl_ c:\c:\windowswindows\system32\system32 press enter press enter

press press YY. . exitexit and then press and then press EnterEnter to restart to restart

your PC. your PC.