I have a wipro desk top. the date and time setting changes when ever i switch off and again switch on the power from main electric supply.

you must measure the output from your power supply see the diagram attached in the box. If some Voltage like +5vdc is missing you must replace the power supply. If the Monitor NOT turn ON try to test in another computer more easy. or go to the repair shop.Use the bottoms from the monitor and execute from the MENU make test.
God bless you

The F1 or F2 takes you into the BIOS setting.
The problem could be a flat BIOS battery and the Date & Time needs to be set to the current date & time.
Replacing the BIOS battery with a new one will fix this problem. When you insert the new battery go into the BIOS setting and set the Date & Time.

Directions for Desk Clock - Without the C?/F? button

To change the Temperature:

Press the "S" button once (this will change from Fahrenheit to Celsius)

To change the Time and Date:

Press the "M" button once to change time to or from military time

Press the "S" button once to change the hour

Press the "S" button again to change the minute

Press the "S" button again to change the year

Changing the year will also change the day of the week

Press the "S" again to change the month

Press the "S" again to change the date

To set the Alarm:

Press the button with an alarm clock on it

Press the "S" button once

A flashing 12:00 should appear

Press the arrows to set the hour

Press the "S" button again to set the minutes

Press the "S" button again to change the "ring" of the alarm

There will ne a number below the time the alarm is set for

Use the arrows to advance through the options

To turn the alarm functions completely off:

Press the button with the alarm clock on it

Press the "S" button five times

When three dashes appear where the time would be, it is off.

Press the "M" button three times to get back to the main clock function

To clear the secondary clock:

You can set two different times on the clock, so if you travel frequently you can have a home time with alarm and a travel time with alarm saved and ready to go. There is a primary time, the one you normally see on the clock with an alarm clock function after it. There is also a secondary time with an alarm function after it.

Clearing the secondary clock will make it easier to know when you get back to the primary clock function.

Press the "M" button three times

Press the "S" button seven times

When three dashes appear where the time would be, it is off

Press the "M" button two more times

And you are Done!

If some connections were changed then the ALWAYS ON +12 volt to the clock circuit back up is not powered all the time . check if while the battery was changed if there was any link that was disconnected that is the continuous supply to the clock.

Hi,


Switch ON the PC, boot the PC in 'Safe Mode' by continuously tapping F8 button after you switch On.

Let windows boot in Safe Mode and log in to windows.

Go to 'Start'--->Programs--->Accessories--->System Tools--->System Restore

Here you will have to check "Restore computer to an earlier time' and click Next
Now you will find one Month Calendar window with Dates below, go to the previous month by clicking the '<' sign in the upper left hand corner of the Month Calendar and select any date that you see in Bold.

The detail of that particular date should show "System Checkpoint" and time on the right hand side box. Select that date.

Now, Click on Next and System Restore will start and windows will take a reboot.
After reboot login to windows and

Go to 'Start' and then Run
write "msconfig" inside Run tab and press 'enter'
inside the 'System configuration utility' window click on 'startup' tab then uncheck all the applications except your current antivirus and press apply then 'ok' and then 'exit without restart' option.

Now right click My Computer and go to properties tab.
click 'Advanced' tab then under performance menu click on 'settings'
go to 'Advanced' click on 'change' and increase your virtual memory to 2048 in both spaces.
Now restart windows.

To quickly restart windows press CNTRL+ALt+DEL
inside task manager you will find all the open applications.
right click on each application and click on end process tree then ok

Close all your apps like this and you will find your windows a lot faster and now you can reboot or turn off your windows as usual from start button.

Next time you login to windows your issues will be resolved.

If you feel that my answers have helped you getting solution to your problems then please give a vote.

Thanks.

Most DVR's don't have back up battery for holding setup data like your Computer. That means that you can never unplug or switch off the power supply completely. The clock runs off the mains supply so any interruption will make it revert back to factory settings.In other words you have to put it in standby mode when not in use to retain recording schedule / clock time etc.

i am change the CMOS batterybut after restarting the time and date is not set........pls help the proplem.........
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The magnetron draws a lot of power and the mains may be dipping beneath an acceptable level, causing the panel to reset.
Check the supply cable size and any connections.

You are saying that after a power loss you have to set date again in BIOS? Probably you need to change the battery on the mainboard, disconnect the power cable and press the power on several times, so that not to drop the battery accidently and make a short circuit. You might have to reenter all the BIOS settings after that. And if the power is switching off, only for the PC, might be a defective PSU unit. Every unit after the power supply shouldn't reset the date.

TO SET TIME ON EXPLORIST 100 CLICK ON MENU CLICK ON PREFERENCES CLICK ON RESTART GPS SELECT YOUR COUNTRY CLICK ON YOUR STATE THEN SET TIME.