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Don't reset password BIOS HP DC7100

\015 Don't reset password BIOS HP Compaq DC7100\015

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If you cannot access the machine after if has been powered up, it is\015\012still possible to get past the BIOS password. The BIOS password is\015\012stored in CMOS memory that is maintained while the PC is powered off by\015\012a small battery, which is attached to the motherboard.

Open the CPU casing locate the CMOS battery in motherboard and remove\015\012this battery, all CMOS information (including the BIOS password) will\015\012be lost. You will need to re-enter the correct CMOS setup information\015\012to use the machine. The machines owner or user will most likely be\015\012alarmed when it is discovered that the BIOS password has been deleted.

\015\012\015\012On some motherboards, the battery is soldered to the motherboard,\015\012making it difficult to remove. If this is the case, you have another\015\012alternative. Somewhere on the motherboard you should find a jumper that\015\012will clear the BIOS password. If you have the motherboard\015\012documentation, you will know where that jumper is. If not, the jumper\015\012may be labeled on the motherboard. If you are not fortunate enough for\015\012either of these to be the case, you may be able to guess which jumper\015\012is the correct jumper.

This jumper is usually standing alone near the\015\012battery. If you cannot locate this jumper, you might short both of the\015\012points where the battery connects to the motherboard.

\015\012\015\012\015\012If all else fails, you may have to clear the BIOS password by\015\012resetting the RTC (Real Time Clock) IC (Integrated Circuit) on your\015\012motherboard.
\015\012\015\012Many RTC's require an external battery. If your RTC is one of this\015\012type, you can clear the BIOS password just by unsocketing the RTC and\015\012reseating it. Good luck!
For that open cpu cabinet then pull cmos cell for 10 minutes.
Also you can clear password with jumper settings find jumper on motherbord named "CLEAR CMOS"
it has 3 pin set it to 2-3 position then power up then again set it to 1-2 position then it not ask for password.
Let me know if you need more assistance.,
Thanks.
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