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Thread ID: 30711 2003-02-28 08:38:00 OS not found Mum2 (3263) Press F1
Post ID Timestamp Content User
124719 2003-02-28 08:38:00 I have a compaq presario 4220, running windows 95, with 16mb ram and IE5. This computer has been running fine over the years but recently it has started to play up. When I do a cold boot the message comes up saying "operating system not found". The only thing I have tried which seems to work sometimes, is to turn the computer off and either wait a few hours, or even overnight, and then do a cold boot which sometimes has success, but I would really like to know what is causing this. If anyone can help me please I would be truly grateful as I am quite new to all this. Mum2 (3263)
124720 2003-02-28 09:42:00 Could be the hard drive is developing faults - theat particular message is the last error message prior to the operating system loading.

The computer is "looking" for specific information of the hard drive.


Run scandisk from within Windows

Test the drive using the manufacturers test software

Format and reinstall

Any combination - the more the merrier
Merlin (503)
124721 2003-03-02 21:46:00 Merlin, I have to ask, but how is one to run Scandisk from within Windows on a system that cannot load Windows as after the computers little POSTing it just cant find an operating system on the Hard Drive, it trys, it struggles, but it just cant boot.... krazy (2717)
124722 2003-03-03 00:14:00 Next time you manage to boot up - check if the date / time is accurate; I suspect you may have a failing / failed battery. The battery is used to power a small amount of memory that keeps certain information necessary for the computer operation - amongst which is info on the hard disk. If the info gets corrupt, you can get "OS not found message. wuppo (41)
124723 2003-03-03 00:16:00 Further - the battery is used to power the date/time clock, and so a loss of time is an indication of battery problems. :| wuppo (41)
124724 2003-03-03 03:45:00 Can you boot it from a floppy disk? Graham L (2)
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