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FAQs

Trouble Shooting (IT Accessories)



UPS Fax Modem Internal
Ethernet LAN Card Sound Card
VGA Card USB Card
TV Tuner Card SMPS P4
Hubs & Switch Mouse (non optical)
KeyBoards DVD Player
CRT Monitor Personal Computer
   
   
UPS
   
Q. What should be checked if there is no output coming from the UPS in both "UPS" and "Power On" Mode?
A. AC mains socket & on / off switch should be checked. If the switch is "On" then AC mains fuse (Located at the rear of the UPS) should be checked.
   
Q. My UPS turns on but in "back-up" mode, what could be the problem?
A. Check AC Line-in and AC fuse. Check the input voltage - it should not be below 145V or higher than 275V.
   
Q. Why is the UPS beeping continuously when in "back-up" mode?
A. The battery may not be fully charged. Recharge the UPS battery for at least for 8 hours.
   
Q. Why there is burning smell coming out from the UPS?
A. The UPS may be over loaded. Load may be exceeding the specified limit. (i.e. 360W for a 600VA UPS). Reduce the extra load. -If after reducing the extra load burning smell is still coming then check the circuit inside.
   
Q. My UPS is giving very low backup time. What could be the cause?
A. Decrease Load. Recharge the UPS for a minimum of 8 hours.
   
Q. Why does my computer system restart every time the A/C power goes off and comes on again?
A. Please check ground /earth connection of the power supply. The voltage between the ground / earth and Neutral should be below 5 Volt AC.
   
Fax Modem Internal
   
Q . What do I check if my computer system is not able to detect the Modem?
A.
  • Check PCI slot. Insert the modem card properly into the PCI slot.
  • Clean the pin connector of modem card and reinsert in the PCI Slot.
  • Check if modem driver is installed properly..
  • Use correct driver for installation.
  • Un-install the old drivers and install Modem again.
  • Check the modem card and insert it properly in PCI Slot
  • Check the telephone Line connectivity
  • Check the RJ 11 connector.
  • Check Telephone number of Internet service provider.
   
Q. My UPS turns on but in "back-up" mode, what could be the problem?
A.
  • Check the modem card and insert it properly into the PCI Slot.
  • Ensure the correct drivers are installed.
  • Un-install the old drivers before installing the correct driver.
   
Q. I am not getting any dial tone. What could be the reason?
A. Check the telephone connection attached to modem it may be faulty.
   
Q. Why am I getting "Query..Error" during installation?
A.
  • Please uninstall existing modem drivers before installing the driver.
  • Ensure you are using the correct driver and its path at the time of installation.
   
Q. The communications software displays, "No Dial tone." What could be the reason?
A. Make sure that your phone cable is working properly and that it is firmly seated to the phone socket in the phone jack at the rear panel of the modem.
   
Q. My modem is a 56K. But why is the speed slow when I connect to the Internet?
A. The current copper wired telephone lines are limited only to about 53K. If you are connected only to 33.6 or 28.8K, check if your modem is compatible with the modem used by your ISP.
   
Q. Ethernet LAN card is installed, but why is there no data transfer?
A.
  • Check the connector pins and clean them if require
  • Is your modem set up to run at full speed?
  • What's the maximum speed your ISP allows?
  • Check if your telephone connectivity is OK.
   
Ethernet LAN Card
   
Q. Ethernet LAN card is installed, but why is there no data transfer?
A.
  • Clean the pin connectors of the LAN card and reinsert.
  • Check the PCI slot.
  • Change the PCI slot / try in another PCI slot.
  • Check the patch cable crimping. It must be as per recommendation of network provider
  • Check the cable line. It may be disconnected.
  • Check for network neighbourhood configuration.
  • Check for local IP address and assign it correctly if using TCP protocol.
  • Check power supply of Hub / Switch and its ports (if used)
  • Check the patch cable type (straight and cross) if more than two Hubs & Switched used.
   
Q. Why I am not able to install, the ethernet LAN card, even though the computer has detected it?
A.
  • Check the card for proper insertion in the PCI slot.
  • Choose correct driver & Path.
  • Uninstall any old drivers before installing the correct drivers.
   
Q. Why I am not able to install, the ethernet LAN card, even though the computer has detected it?
A.
  • Check the card for proper insertion in the PCI slot.
  • Choose correct driver & Path.
  • Uninstall any old drivers before installing the correct drivers.
   
Sound Card
   
Q. Why is the computer not able to detect and install the sound card?
A.
  • Check the card for proper insertion in the PCI slot.
  • Choose correct driver & Path.
  • Uninstall any old drivers before installing the correct drivers.
   
Q. I am able to install the Sound Card. But why is the sound low?
A.
  • Check the card for proper insertion in the PCI slot.
  • Check the out-put cable.
  • Check the Volume control property in system. (Some time it is in mute or low sound).
   
Q. Sound card is installed but why is there is no "sound icon" in the task bar?
A. Open audio properties and tick in check box and apply. "Sound icon" will appear in task bar.
   
Q. What could be the reason for the microphone not working?
A.
  • Check the audio properties and enable the Micro phone if it is disabled
  • Check if your head set is working properly
   
Q. Why I am not able to record the sound from other source to my PC?
A.
  • Check the input line cable.
  • Check if the out-put is proper from the source side.
  • In the volume control properties check whether the Line-in option is enabled.
  • Check if the Line in is muted.
   
Q. Why output is coming only from one side (left or right channel)?
A.
  • Check if the volume balance control is in middle position.
  • Check the audio software (win amp) volume control is in middle position.
  • Check the output cable and speakers.
   
VGA Card
   
Q. Why i am not getting display in monitor after inserting the VGA card in PCI slot?
A.
  • Check the PCI slot.
  • Try in other PCI slot.
  • Check the monitor cable. It must be fixed properly.
   
Q. Why is the computer not able to detect and install the VGA card?
A.
  • Check the card. It must be inserted properly in the PCI slot.
  • Choose the correct driver and its path as recommended.
  • No Driver required for WIN 2000 & Win XP IT is auto plug and play
   
Q. When I boot up my computer, there is no display on my monitor. I hear one long beep and two or three short beeps, why?
A. Make sure that you have completely plugged the VGA card into the AGP slot.
   
Q. Why it happens, whenever I change setting in Windows or install a new graphic driver on my computer, it does not start-up again?
A. Start-up Windows in Safe Mode. (While the system is booting up, press F8 to bring up the Windows Start-up Menu, and then select "Safe mode".) In Safe Mode, re-install the correct graphics driver.
   
USB Card
   
Q. Why is the computer not able to detect the USB Card?
A.
  • Check the PCI slot / try another PCI slot if required.
  • Check the card. It should be inserted properly in the PCI slot.
   
Q. Why I am not getting any display when inserting USB card in the PCI slot?
A.
  • Check the PCI slot. Try another PCI Slot.
  • Check whether the card is inserted properly in the slot.
   
Q. Why it happens, even after installing the USB Card properly the computer is not able to detect the device?
A.
  • Check the USB Cable.
  • Check the USB connector connected to it.
   
TV Tuner Card
   
Q. On clicking the "T.V. capture" H/W, why does fail error occur?
A. Uninstall the driver and reinstall it properly.
   
Q. Why I am not able to get video and audio? What do I need to do?
A.
  • Reset the "T.V capture" and select the correct country.
  • Check the cable and connect it properly.
  • Check the input TV cable line. It must be connected properly with cable connector.
   
Q. What could be the reason for not getting picture when Auto scanning is mode?
A. Check the cable line.
   
Q. Why is the picture not clear after auto scanning?
A.
  • Check the "earth" connection of the system.
  • Check the cable line it may be open, or near the A/C line.
  • Check for the special software and uninstalled if require.
  • Check the input cable pin connection. It must be connected properly.
  • Check the VGA settings.
   
SMPS P4
   
Q. Why there is no power output from the SMPS? What are the possible causes?
A.
  • Check the fuse, AC Input switch.
  • Check for UPS for AC output.
  • Check main power cable.
  • Check the Power socket and Plug Point, It should be attached properly.
  • Check the SMPS switch. It should be on.
  • Check the power switch on the cabinet. It should be connected properly with Main Board.
  • Remove the Processor and Add-on cards from the Main Boards and check if it comes on.
   
Q. What could be the reason for the SMPS fan rotating?
A.
  • Check the RAM. It should be fitted properly.
  • Remove the Add-on cards then check the system.
  • Check the monitor and its VGA cable.
   
Q. What could be the reason for my system restarting after some time?
A.
  • Check the UPS output in case of variation.
  • Check whether SMPS fan is ok and working.
  • Check the OS for virus infection.
  • Check the Main Boards for bulging capacitors.
  • Check the CPU cooler fan. It should be working properly.
  • Check the 20 pin connector, fitted tightly with mother board.
  • Check your system Earth /Ground.
  • Check your UPS out-put voltage & Earth.
   
Hubs & Switch
   
Q. The set is dead and not working what could be the reason?
A.
  • Check the power light. It should glow for normal working.
  • Check adapter plug. It should be connected with AC inputs socket properly.
  • Check the patch cable & its type. It should be according to the requirements and connected properly with ports.
  • If the port is not used from long time. Clean the port before using.
   
Mouse (non optical)
   
Q. Why is the cursor not moving properly?
A. Check the bottom of the mouse for dust. Open the back cover (bottom side of mouse) and clean the "rubber ball", two axial and wheel
   
Q. What could be the reason for the computer not being able to detect the mouse?
A. Check the mouse cable for any damage and proper connection in the mouse port.
   
KeyBoards
   
Q. What is the reason for the keys on the keyboard getting stuck?
A. Remove the key buttons and clean them by using a clean piece of cloth.
   
Q. Why are the Multimedia functions not working?
A. Check the driver. Reinstall it properly.
   
Q. The keyboard is dead / not working, what could be the reason?
A. Check the cable & connector for physical damage.
   
Q. The USB Keyboard does not work, what could be the reaso?
A. Check in setup if the USB Keyboard is enabled.
   
DVD Player
   
Q. What could be the reason for "No Power" in the DVD?
A.
  • Check if the AC power cord is properly connected.
  • Check ON/OFF switch.
   
Q. Why I am not able to receive any picture when I play the DVD?
A.
  • Check if the Video cables are connected properly.
  • Refer to your TV manual for correct "video-in" channel selection
   
Q. Why do I get distorted pictures?
A.
  • Check the disc for fingerprints / scratches and wipe the disc with soft clean cloth.
  • Connect DVD player directly to the TV. Make sure the disc is compatible with the DVD player.
  • Ensure that the DVD player's TV type (aspect ratio) is set to match that of the TV.
   
Q. What could be the reason for "No Sound" or distorted sound?
A.
  • Adjust the volume
  • Check that the speakers are connected properly.
  • Check the setting of the DVD player's audio set up.
  • Check if the audio format of the selected audio language matches your receiver capabilities.
   
Q. Why I am not getting audio from the "Digital Output" connection?
A.
  • Check the digital connections.
  • Check if the audio format of the selected audio language matches your receiver's capabilities.
   
Q. Why does "No disc" appear on the display when I play a disc?
A.
  • Ensure the disc label is facing up.
  • Check if the disc is defective by trying another disc.
  • Use original CD/DVD/VCD.
  • Play the DVD cleaning disc.
   
Q. Why is the Remote Control unit not responding?
A.
  • Check the batteries.
  • Direct the remote control towards the sensor at the front of the DVD player.
  • Reduce the distance to the player and the remote.
  • Check the battery polarity and replace is required.
   
Q. Picture not coming on CRT/TFT monitor (connected with DVD Player with VGA option)
A.
  • Check the monitor if it is power ON.
  • Check if the setting in General set up for Video is at PC-VGA.
   
CRT Monitor
   
Q. What is Convergence and Mis - convergence?
A. Convergence is the process by which all three electron beams (R, G, &B) come together and strike at a single spot on the surface of the CRT. Precise convergence is necessary as CRT displays work on the principal of additive coloration. When Red light, Green light, and Blue light are added in equal amounts they will form a white spot or line. The absence of all color makes a black spot or line. Variation of the relative strengths of the R, G, and B electron beams creates color variation. When the individual electron beams (R, G, &B) do not converge perfectly mis-convergence occurs. Mis-convergence can be seen as shadows which appear around text and graphic images. Convergence error can be caused by a Mis-alignment or damaged "shadow mask" of the CRT. Convergence can also be caused due to a defective Deflection Yoke. Since convergence highly depends on the electron beam striking the proper place on the CRT surface, mis-alignment of the Shadow Mask and Deflection Yoke could cause this error.
   
Q. What is Moire effect?
A. A wavy distortion pattern caused by the interference between the dot pitch of the CRT and the picture signal. This distortion pattern may vary depending on the pattern, screen amplitude, contrast, brightness, and other characteristics of the input signal
   
Q. What is Non-interlaced Scanning Mode?
A. A system where the scanning in a CRT monitor occurs in a sequential or continuous. System using Non -Interlaced scanning contains One Frame and only one Field. By this we are able to produce a clear and crisp Picture. This also reduces flickering which is observer in systems using interlace scanning. This is also called Progressive Scanning.
   
Q. What is DPMS?
A. When in standby mode, the BIOS reduces power consumption, by spinning down hard disc and reducing power to turn off the monitors that comply with Video Electronics Standard Organization (VERA) and Display Power Management Signalling (DPMS). While in standby mode, the system can still respond to external interrupts, such as those from keyboards and mice, fax / modems or network adaptors. For example any activity from the key board or mouse brings the system out of Standby mode and immediately restores power to the monitor.
   
Q. What is Interlaced Scanning Mode?
A. A system by which a television decodes an image - a frame is broken into two fields, odd (1, 3, 5, 7.) and even (2, 4, 6, 8.). A television will scan 60 fields per second with 30 odd and 30 even fields created. By combining the two fields every 1/30 of a second, a frame is created thus creating 30 frames per second - a standard in television broadcasting
   
Personal Computer
   
Q. My computer won't turn on at all, what could be the reason?
A.
  • Check if the power cord and all cables are securely plugged into computer.
  • The power cord is plugged into a grounded outlet.
  • Check whether the power outlet is working properly by plugging another item into it
   
Q. When I push one of the special or multimedia buttons on the keyboard, nothing happens, what could be the reason?
A.
  • If your PC is in MS - DOS mode, the multimedia button on the keyboard will not work
  • Check the button configuration. To reconfigure the button.
  • Click start on the taskbar.
  • Choose programs
  • Choose Intex tools.
  • Click keyboard manager.
  • Ensure to enable the multimedia buttons, and "on - screen" display click box is selected.
  • Click the button to configure.
  • If all the above settings are found Ok, then reinstall the driver provided with the PC system.
  • Insert the driver cd / floppy in the drive
  • Double click on the setup.
  • Unzip the driver by giving the path in to c: / keyboard.
  • The unzipped file automatically convert into the folders of different driver for win98, win2000/XP.
  • Choose the OS and setup again it will reload the driver of the keyboard to operate all the multimedia keys.
  • To reconfigure the search or Internet button, choose type in a website address, and then enter the complete website's URL in the address field.
  • To reconfigure the help button (labelled on some keyboards) or a shortcut button
  • Do the following settings.
  • Select an application from the list.
  • Choose select a file on your computer, and click browse to find an application.
  • Choose or type in a web site address, and then enter the complete site URL in the address field.
  • Click Ok.
  • Repeat step the above two steps for each button you want to reconfigure.
  • Click Ok when you are finished reconfiguring the keyboards.
   
Q. Why does keyboard not work? Even through the computer and display seem to work fine.?
A. If the PC beeps repeatedly or if nothing happens when you press any keys, it's possible that the keyboard is connected improperly. Make sure the keyboard is connected to the keyboard port, not to the mouse port. If you need to reconnect these two cables, turn the computer off, reconnected the cables, and then turn the computer back on. System Hang It's possible that your system hangs. Then press Ctrl + Alt + Delete keys simultaneously then go to the shut down bar from tab key & press to restart the system which is called as soft booting the system. If that doesn't work, press and hold the computer "ON" button until the screen is black (approximately five seconds)
   
Q. Why does my computer not make any sound?
A.
  • Check the speaker connection. Note that: - in some system include an adaptor cable for the speakers. The left and right speaker's cables plug into the adaptor cable. The adaptor cable plugs into the speakers port on the back of the monitor.
  • Check whether the speakers are turned on (select models only).
  • Use the keyboard controls to increase the volume.
  • Press the mute button on the keyboard to see if the mute feature is enabled.
  • Click the volume icon on the taskbar. Increase the volume, and make sure the mute box is not checked.
   
Q. What could be the reason for the display monitor not working, even through the computer appears ON?
A.
  • Check the connection of the power cord into the display Monitor.
  • Ensure the monitor is turned on - it has its own power button.
  • Ensure the display power cord is plugged into a grounded outlet. Check where the outlet works by plugging another item into it. (If the light on the front of the display is lit, it is getting power)
  • Check the video interface cable connection between the monitor and the computer.
   
Q. What could be the reason for only the Mouse not working?
A.
  • Ensure the mouse is connected to the mouse port and not the keyboard port. Reconnect these to cables, turn the computer OFF reconnect the cables, and then turn the computer ON again.
  • Ensure you are in the Windows desktop, not in MS - DOS (the MS - DOS interface a plain screen with a prompt that look like this: C :/>). If you are in MS- DOS, type Exit and press the enter key.
  • If the pointer doesn't move on the screen when you move the mouse, clean the mouse ball.
  • Remove the mouse ball by unscrewing the bottom of the mouse.
  • Clean the mouse ball with a damp cloth (not paper)
  • Use your finger to move the horizontal & vertical rollers in the mouse ball housing.
  • Replace the mouse ball, and re-fix the the cover.
  • Restart the computer by pressing and holding the computer ON button until the screen is black (approximately five seconds). Then restart the computer.
   
Q. Why is my system not able to boot from the floppy drive?
A. Check CMOS setup for drive type and boot up sequence.
   
Q. Why does the HDD controller fail start up?
A.
  • First restart the computer & press DEL button immediately till it shows the setup then go the standard CMOS setup by arrow key and check the HDD status. If it does not appear there in the setup, Detect it by use the auto detect mode to detect the HDD.
  • When it detects in the setup then save & exit.
  • Reboot the system.
  • Also make sure the power connectors are securely plugged into the Hard disk.
  • Check the interface cable connection between the hard disk and the motherboard.
   
Q. Why is the CMOS setup gets corrupted?
A. Replace 3V battery or motherboard
   
Q. Hard Disc drive is excessively loud, what could be the reason?
A. Verify that the hard Disc drive is producing the noise and not a fan or CD/DVD drive: Runs Disk Defragmentation - listen to the hard drive. Is the noise louder when Disk Defragmentation is running? If the noise is louder, the hard drive is probably causing the sound. To verify this, turn off the computer, open the case, and disconnect the hard drive from the power supply. Turn on the computer and listen for the noise. If the loud noise is gone, the hard drive needs to be examined.