Compaq 470007-802 Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 36

Preparation for Disassembly, See Removal and Replacement Preliminaries

Get Compaq 470007-802 - Deskpro EN - 256 MB RAM PDF manuals and user guides View all Compaq 470007-802 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 36 highlights

4.2 Preparation for Disassembly See Chapter 3, "Removal and Replacement Preliminaries," for initial procedures. 1. Unlock Smart Cover Lock (Section 4.3). 2. Close any open software applications. 3. Exit Windows. 4. Remove any diskette or compact disc from the computer. 5. Turn off the computer and any peripheral devices that are connected to it. CAUTION: Turn off the computer before disconnecting any cables. CAUTION: When the computer is plugged into an AC power source there is always voltage applied to the system board. You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage. CAUTION: The cooling fan is off only when the computer is turned off or the power cable has been disconnected. The cooling fan is always on in all other instances (when the computer is either in the "On," "Standby," or "Suspend" mode). You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage. 6. Disconnect the power cord from the electrical outlet and then from the computer. 7. Disconnect all peripheral device cables from the computer. ✎ During disassembly, label each cable as you remove it, noting its position and routing. Keep all screws with the units removed. CAUTION: The screws used in the computer are of different thread sizes and lengths; using the wrong screw in an application may damage the unit. Compaq Deskpro EN Series of Personal Computers 4-3

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
Compaq Deskpro EN Series of Personal Computers
4-3
4.2
Preparation for Disassembly
See Chapter 3, “Removal and Replacement Preliminaries,” for initial procedures.
1.
Unlock Smart Cover Lock (Section 4.3).
2.
Close any open software applications.
3.
Exit Windows.
4.
Remove any diskette or compact disc from the computer.
5.
Turn off the computer and any peripheral devices that are connected to it.
CAUTION:
Turn off the computer before disconnecting any cables.
CAUTION:
When the computer is plugged into an AC power source there is always voltage applied
to the system board. You must disconnect the power cord from the power source before opening
the computer to prevent system board or component damage.
CAUTION:
The cooling fan is off
only
when the computer is turned off or the power cable has
been disconnected.
The cooling fan is always on in all other instances (when the computer is either in the “On,”
“Standby,” or “Suspend” mode).
You must disconnect the power cord from the power source before opening the computer to
prevent system board or component damage.
6.
Disconnect the power cord from the electrical outlet and then from the computer.
7.
Disconnect all peripheral device cables from the computer.
During disassembly, label each cable as you remove it, noting its position and
routing. Keep all screws with the units removed.
CAUTION:
The screws used in the computer are of different thread sizes and lengths; using the
wrong screw in an application may damage the unit.