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Keyboard and Mouse not responding after CMOS Battery replacement.

Resolved a CMOS Check Sum error, Replaced Battery hit F1 and F11 for recovery now It will boot up to windows logon; however does not reconize Keyboard or Mouse.

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  • Jmt_tech07 Apr 30, 2008

    Still the computer will not respond to the fuction keys, F2-F10-F5- aor F-8

  • Anonymous Apr 30, 2008

    upon boot up the function keys are not responding. Example hit F2 for BIOS setup does not respond continues to boot into windows yet the Keyborad or Mouse does not work.

  • girishjegana Nov 23, 2008

    yea i hav dis same pblm

  • melanieharri Feb 14, 2009

    my keyboard or mouse won't respond I bought several mouses and none work. hit keys on keyboard and none work can someone help me? Melanie

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  • 5,568 Answers

You may have to reset (turn on) those devices in the CMOS setup.
Typically, you can access that menu by holding down either F5 or F8 (not always the same) and then turning the power on.
One of these should bring up a simple menu with 8-10 choices.
Depending on the BIOS used, setting input/output devices may be semiautomatic or manual.

Posted on Apr 30, 2008

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1 Answer

Reset cmos


If the monitor had no signal, what was/were your indications(s) that the keyboard and mouse were not working? It is possible that the CMOS may have erred and caused your lack of video, but not likely.
Check this...look at the heatsink for the CPU? Are the fins clogged with dust/dirt? If so, it is possible that the CPU is going into auto shutdown from overheating. Even if the fan is running, if there is no air moving over the fins, the CPU will overheat. If that is not the problem, then my next guess would be the onboard video has given up the ghost. If you are not getting any kind of beep codes that would indicates CMOS errors, then this is likely.

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I reset my cmos on my dimension c521 and keyboard and mouse dont work. how can i get to bios?


You might want to try a Microsoft common keyboard that hooks to the USB on your Computer same with the Mouse

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CMOS checksum bad Press f1 to run setup Press f2 to load default values and settinss Keeps comming up on star up


Your CMOS battery may be dead. That is the watch style battery on your motherboard. Choose f2. If the problem persists, change the battery

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1 Answer

Dimension 8300 boots up to a black screen that says "Alert! Storage battery voltage low" Press f1 to continue, f2 to enter set up etc If I press f2 I can use the keyboard to scroll through...


i think storage battery low indicates that the cmos battery is losing its ability to reatin a charge. try replacing it. if that doesn't solve your problem, you have deeper issues. consult a professional if this is the case.

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Heloo sir i have a problem with my dell 170l when i start it it shows ''strike F1 to continue, F2 to run the setup utility'' when i click f1 it show ''f1 to retry boot,f2 for setup utility'' plz help me...


Hit F2,look in setup to see if the hard drive is recognized and check that the date and time are correct.
Then hit esc key. it will ask if you want to save changes, click yes. It should boot and probably ask you to hit F1 or F2 again., unless there is a problem with the CMOS battery, which may need to be replaced.
If you hit F1 to continue, it will boot, but your time and date will be off.

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Replaced hard drive and now during start up, computor stops on bio screen and ask for pressing f2 to open windows or f1 for recovery. compaq sr1430nx


this sounds like an error in your bios configuration go in and check to see if all your bios settings are correct and if there being saved everytime you reboot if theyre not being saved you may have to replace the cmos battery on the motherboard

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Dell dimension 5150 blinking amber lights


I have similar problem these days. After normal shutting down the PC, it can not be powered up again, the amber light blinks. A temp solution for my case is by doing these steps:

1. leave all monitor, network, keyboard and mouse etc. connected
2. disconnect the power, wait until green light and amber light dim.
3. pop up the CMOS battery, then put back in (better to check its remaining voltage, if not good, change a new one)
4. power amber light flash shorter and lighter
5. disconnect any USB connections like keyboard and mouse,
6. immediately connect keyboard and mouse back into USB ports
7. my pc powers up at this point, all green lights shining. Except it displays CMOS setup warnings, give me options to click either F1 or F2
8. I click F1, it goes into normal login XP

The only problem is I could not shutdown PC again, if I do, then I have to repeat 1-8. I have to use "Standby" instead, which I usually do.

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How do i reset CMOS on kv8 pro? getting POST code 25 comp not booting up, tried replacing ribbon cable, also unplgged keyboard. HELP!!!


unplug your computer, then you will find a small battery on the motherboard, this is a small silver disk shape. you need to remove this by pressing the clip to its side, this lets it spring free. you then need to locate the cmos jumper. this is a 3 pin stand off with 2 pins already covered by a plastic sleeve. remove the sleeve and place it over the other two pins, wait a few seccons then put everythinbg back to the way it was. put the jumper back in its origional position and re-attach the battery making sure it is the right way up. plug in your system and give it a try.

Dec 28, 2008 | PC Desktops

2 Answers

MY LAPTOP(hp compaq presario v2000)BEEPS TWICE AND DISPLAYS PRESS F1 TO RESUME OR F2 TO SETUP!pls help


Hi, and welcome to FixYa
The computer may display a prompt to press F1/F2 or any other key to enter setup each time the computer boots as a reminder on how to enter CMOS. However, if the computer asks to press F1/F2 (or another key) to enter setup and does not continue, this issue can be caused by any of the below possibilities.
1. New hardware has been recently installed.
2. Error or confliction with settings in CMOS.
3. CMOS battery is bad or failing.
Solution:
New hardware has been recently installed
If new hardware has been recently installed into the computer, it is likely that you are receiving the prompt "Press F1 or F2 to enter setup" because CMOS needs to verify that the new detected hardware is properly being setup in CMOS.

Error or confliction with settings in CMOS
If no new hardware has been added to the computer or the new hardware has been removed and you continue to receive the error, it is likely that there is an error or confliction with the CMOS. Press the key requested to enter setup and verify that all settings are correct. If everything appears to be correct try resetting the CMOS values to the defaults and/or Reset Configuration Data. Additional information about how to do this can be found on document CH000976.
If all settings appear to be correct, save changes and exit CMOS setup. If the error continues to appear, enter setup again and restore all CMOS values to default.
· See our CMOS page for additional help and information with the CMOS.
· Additional information about getting into the CMOS / BIOS setup can be found on document CH000192.
CMOS battery is bad or failing
If you continue to receive the prompt to enter setup each time the computer boots up and you have attempted to follow the above suggestions, it is also possible that the CMOS battery may be bad or failing. Generally; when this occurs, the computer is not holding the time or date correctly. If this is occurring it is recommended that the CMOS battery be replaced.

regards
/Teis the Wiz - -> Vote "FixYa" :-)

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2 Answers

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