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CF-48 looses it's operating system!!systems seems to over heat and starts beeping!

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  • caseo Aug 14, 2008

    ozserviceman,series of short beeps,blank screen with wording operating system not found.

    I then pull the ac power supply,then the battery.

    Put the battery in,restart, some times this works to fix this problem.The bottom of the case is very warm near the back at the centre of the laptop were the screen is attached.

  • ozserviceman May 11, 2010

    Can you be more specific about the problem. Do you mean it freezes, blank screen or other. What makes you think it is overheating? Describe the beeping - 1 long beep, series of short beeps?

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Most laptops get warm at or near the processor as the fan is pumping air across it. This is why it is not recommended to sit it on your lap - blocks air flow and can cause burns. It would be worth checking that the fan is spinning freely and air is circulating as they **** in a lot of dust.

As for the beeps. Since you are getting OS not found it is most likely a flaky hard drive.It may not be spinning up initially, but a few tries could be kicking it over.

I would suggest backing up all your data and then replacing the drive. Laptop hard drives are notorious for failing due in part to physical movement of unit, particularly when turned on.

Posted on Aug 14, 2008

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Beeping sound when starting


Usually when you first turn the power on ... it's usual to hear a couple of beeping sounds . And then, you may hear whirling/clicking sounds when your disk starts up (rotating) and your CD/DVD drive starts up, etc.. Then the monitor/screen lights up and starts to show the operating system (e.g. Windows) panel ... as it starts up.

If your system just beeps ... and beeps ... and beeps... and nothing else happens, the screen doesn't light up and show anything (for a few minutes), it likely the system is not starting up properly.

If you can clarify what actually happens, maybe I can offer more suggestions/information to help.

Apr 03, 2014 | PC Desktops

Tip

BIOS error, System Failure, Boot failure? ? Lets FIX it.


I guess everyone working on a computer is familiar with the word BIOS and what exactly it is? Still let me tell that BIOS is intelligent software that enables the system to start. I need not to mention that system here refers to computer. Bios facilitate the booting of a system without human intervention. BIOS is a program that is installed in a hardware chip known as ROM chip.

This single word matters a lot to most of the users who face various problems when their system failed to start normally or make some unusual activities. Each time I visit any technical forum I see a lot many users posting their problem regarding BIOS. I researched on internet about BIOS errors and from my knowledge and experience I am posting this piece of help for those who find themselves helpless in getting a solution to BIOS problems.

Sometimes BIOS itself provide a troubleshooting to most of the problems. When you power ON your system it give beep sound. Checkout some beep codes
1 short Beep indicates System is OK (Acceptance Beep)
Continue long Beep tells RAM Problem
1Long 3 Short Beep confirms RAM Problem
2/3/4 short Beep --its time to Check the RAM & Video Card

By now most of you have found some clue about the problems you are facing. Now learn about POST faults
1) K/B Error/ NO Keyboard present
· Check the loose cable connector
· Cable may be bad (Keyboard)
· K/B itself may be bad
· Check the physical condition of K/B connector on M/B
· If all these are ok & problem is still processed
· Than replace the keyboard port

2) Floppy disk drive Fail
· loose data & power connector of FDD
· Data cable may be bad (FDD)
· Load the CMOS defaults
· Floppy disk drive itself may be bad

3) CMOS Checksum error
· CMOS battery has gone bad replace it. (Weak)
· Check the CMOS jumper it may set on clear
· If the entire ok than check the CMOS battery jack, it may be bad

4) Invalid System Disk, Insert System Disk & Press enter when ready/ NTLDR is Missing
· Check the root directory; it may be formatted or missing bootable files.
· Repair the Windows or Reinstall the operating system.

5) Disk Boot failure, Insert System Disk & Press enter when ready
· Hard Disk check in POST Detected or not
· If not Detected Check the power cable
· Check the Master/Slave jumper setting.
· Also check BIOS setting

6) Computer gives message: Your computer has a serious problem
Back up your data & replace your Hard Disk
This error message is displayed due to the SMART option. This scans the HDD for errors, if it detect the errors than it show the above message. Follow the error message & back up your data on to another drive.

I tried to explain most of the problems along with their solutions. There could be a lot more solutions for the problems. Make your own search and try to fix BIOS problems at your own home.
Forward this to all those who need help!!
SOVI



on Feb 09, 2011 | PC Desktops

1 Answer

My hp a 1410n desktop powers up but shuts down after five seconds


#1 on the list for this is shut down from over heat due to CPU fan not running or CPU overheat. Check to see if your CPU fan is turning on when your system is powering up. If its not.. thats your problem (get a new fan)... Even if it is it could mean the fan is not properly contacting the CPU with thermal paste. If this is the first time you\'ve powered the system up, your next step is to go out and get some thermal paste and put it under the CPU fan, if you\'ve been running the system and this problem just cropped up.. skip the thermal paste, its already there. #2 Next possibility is BIOs power settings are incompatible with your hardware. For example the frequency on the CPU is set higher then it can operate and its over heating. Some systems will automatically shut down and restart with default settings others you have to get into and set to default. can you get into BIOS? Can you reset your BIOS settings to defaults? Check your mother board manual. #3 A compenent is shorting out your system and needs to be replaced. Is the system posting prior to shutdown (beeping once on start up?) If its beeping more then once that means something else and you should read your manual. If its not beeping then its a short somewhere and you can bet you have a bad part in the system. To identify which part it is you can either disconnect things (RAM, Drives, vid card, PCI cards,ect) one at a time, attempting to start the system after each one or you can take everything but the bare bones out and try to start it. I usually take all the RAM out but one stick and start by testing them. Your RAM is the most likely place for a problem in this situation. #4 If you\'ve striped it down and it still can\'t get a boot (with no post beep). You need to replace the mother board.

Jan 18, 2014 | PC Desktops

1 Answer

My computer has starting to occasionaly beep when it seems to be working normally. Why is this?


Not sure, could be Microsoft warning you that XP will be no longer supported.

Dec 22, 2011 | Dell Dimension 8400 PC Desktop

2 Answers

I have a Lenovo A61 Thinkcentre that is about one year old. I am now hearing a fairly loud noise that comes and goes. When the system starts, the noise appears and lasts 10 - 20 minutes, then disappears....


Ok it still sounds like an fan. look for fans, one in power supply, one on cpu, one in case(frount or back), one on video card. before you start from cold unplug the fans that you can. and stop the one in power supply. then if there is no nosie you have to start pluging them back in till you hear the noise. **NOTE!!** don't run it long without fans!!( 40 secs) is long enough..

Feb 26, 2010 | Personal COMPUTER - LENOVO THINKCENTRE A61...

1 Answer

Beep sound continus


I went to google and it seems like the beeps can be problems for different problems in the hardware, this is what one message says,  there are lots of computer beeping answers out there: 1 short beep is your BIOS saying "HELLO I'M OK" 

Standard Original IBM POST Error Codes 

1 short beep Normal POST - system is ok 
2 short beeps POST Error - error code shown on screen 
No beep Power supply or system board problem 
Continuous beep Power supply, system board, or keyboard problem 
Repeating short beeps Power supply or system board problem 
1 long, 1 short beep System board problem 
1 long, 2 short beeps Display adapter problem (MDA, CGA) 
1 long, 3 short beeps Enhanced Graphics Adapter (EGA) 
3 long beeps keyboard card 

Each BIOS company has modified these codes over the years.

May 25, 2009 | Dell Dimension 4600 PC Desktop

1 Answer

Dropped cf 30 laptop


Hard drive damaged or unplugged.

Jan 07, 2009 | PC Desktops

1 Answer

I have an CF48 and a CF25 Personal Computer. I would like to know what size RAM and HD and Processing speed these laptops are issue with from the factory.


I looked up info i dont know if this the right computer you ment but



Panasonic Toughbook CF-48 CF-48X4HLUDM
Processor: Pentium 4 1.8 ghz Display Size: 14 inch Hard Drive: 20 Gig Memory: 256 meg Optical Drive: CDRW Drive (Burner) Floppy Drive: Built in PCMCIA Slots: 2 PCMCIA Slots Sound and Speakers: Built in speakers and sound Pointing Device: Track Pad Ports: 2 USB, 1 Parallel, 1 Serial, 1 VGA Modem: Built in 56k Ethernet Network Card: Built in 10/100 Operating System: Windows XP Professional AC Adapter: yes Battery: (not warranted) yes Warranty: Lifetime Limited Warranty

Dec 16, 2008 | Panasonic PC Desktops

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