Member Avatar for lindap

It won't boot up. Error message says the following files are missing or corrupt.
C:\WINDOWS\HIMEM.SYS
C:\WINDOWS\DBLBUFT.SYS
C:\WINDOWS\IFSHLP.SYS

I can't get into windows at all. Please help.

Thanks
lindap

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  • Latest Post Latest Post by coolraj003

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The three missing files you listed (HIMEM.SYS, DBLBUFT.SYS, IFSHLP.SYS) are DOS/Win95 drivers loaded very early in the boot sequence. If they are absent or corrupt Windows 95 will stop before the desktop. This machine is old enough that the Win95 CD often will not provide a boot environment by itself; a small DOS startup environment is normally required to access the CD and restore files. On a Dell Optiplex GX1 use F2 for setup and F12 for the one‑time boot menu to verify the CD/floppy boot order.

Practical, non-destructive next steps:

  • Prioritize data first. Instead of reinstalling, remove the hard drive and attach it to any working PC with a USB⇄IDE adapter or a 3.5/5.25" enclosure. That is usually faster and less risky than setting the drive as a slave inside another box.
  • If you can make a floppy, create a Win98/MS‑DOS startup disk on another PC (Format -> select "Create an MS‑DOS startup disk"). Boot the GX1 to a DOS prompt, mount the CD and copy the missing .SYS files into C:\WINDOWS, or launch the CD setup from DOS to perform a repair.
  • If floppies or the CD drive fail, boot from a lightweight rescue CD/USB (FreeDOS/BartPE/Hiren's/Live Linux) to browse the disk and copy files to an external drive.

As noted, newer Windows versions have better recovery tools, but for Win95 the DOS layer is the key. As advised, secure the data before attempting a full reinstall; if the drive shows read errors, avoid writes and consider imaging or professional recovery.

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Member Avatar for mb523

What version of windows are you using? XP and Vista both have recovery options (Vista more specifically targeted at startup issues). You should be able to boot off the OS CD's to gain access to these options.

Member Avatar for lindap

It is my sisters computer and she has windows 95. She has no books or boot disc. I downloaded one but it would not run. When the computer starts it flashes quick to winows 95 then goes to the screen that gives you choices to start but I don't do dos. All I have is the windows 95 disc which does nothing.

Thanks

lindap

Member Avatar for coolraj003

I replied to your thread earlier without reading this one. If you have the disk then try booting up from that disk and see if it gives the option of repair install, if not then I d say there is not other option but to reinstall the whole OS. But before that I d say you should get the data backed up by connecting the hard disk to another pc as slave and copy the data. Atleast your data would be safe.

Raj

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