HP Contura 400 Compaq Contura 400 Family of Personal Computers Maintenance and - Page 278

Table 5-16. Solving Battery Gauge Problems, Table 5-17. Solving Display Problems

Get HP Contura 400 - Notebook PC PDF manuals and user guides View all HP Contura 400 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 278 highlights

* The recommended storage temperature range for the battery pack is -4oF to 86oF (-20oC to 30oC ). The recommended operating temperature range is 50oF to 104oF (10oC to 40oC). Table 5-16. Solving Battery Gauge Problems Problem Probable Cause Solution(s) Battery gauge appears Battery pack has been Charge the battery pack * inaccurate. partially recharged (Appendix B). too many times or NOTE: The battery gauge is computer has been in not linear. It will not Standby for an necessarily stay on each extended period of indicator the same amount time. of time. The battery gauge is based on voltage output from the battery. * The battery pack needs to be conditioned every 60 days to maintain battery gauge accuracy. Table 5-17. Solving Display Problems Problem Probable Cause Solution(s) Characters are dim. From MS-DOS: Power From MS-DOS: Change Power Management settings Management settings to is set on high or medium. custom. From Windows: Adjust From Windows: Power brightness setting in Management brightness Power Management. setting is incorrect. Brightness or Press the Fn + F9 keys. contrast (if Use arrows keys to adjust applicable) is not the brightness. Press the set properly. Fn + F8 keys. Use arrows keys to adjust the contrast. NOTE: Contrast adjustment is not applicable on models with Color TFT displays. Computer screen is in Tilt display or move direct light. computer. Screen is blank. Quick Blank is Enter password to exit initiated. QuickBlank. Another screen Press any key and/or enter blanking utility may password. be installed. Screen save was Press any key or click the initiated by Power mouse. Management due to

  • 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
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
  • 207
  • 208
  • 209
  • 210
  • 211
  • 212
  • 213
  • 214
  • 215
  • 216
  • 217
  • 218
  • 219
  • 220
  • 221
  • 222
  • 223
  • 224
  • 225
  • 226
  • 227
  • 228
  • 229
  • 230
  • 231
  • 232
  • 233
  • 234
  • 235
  • 236
  • 237
  • 238
  • 239
  • 240
  • 241
  • 242
  • 243
  • 244
  • 245
  • 246
  • 247
  • 248
  • 249
  • 250
  • 251
  • 252
  • 253
  • 254
  • 255
  • 256
  • 257
  • 258
  • 259
  • 260
  • 261
  • 262
  • 263
  • 264
  • 265
  • 266
  • 267
  • 268
  • 269
  • 270
  • 271
  • 272
  • 273
  • 274
  • 275
  • 276
  • 277
  • 278
  • 279
  • 280
  • 281
  • 282
  • 283
  • 284
  • 285
  • 286
  • 287
  • 288
  • 289
  • 290
  • 291
  • 292
  • 293
  • 294
  • 295
  • 296
  • 297
  • 298
  • 299
  • 300
* The recommended storage temperature range for the battery pack is -4oF to
86oF (-20oC to 30oC ). The recommended operating temperature range is
50oF to 104oF (10oC to 40oC).
===========================================================================
Table 5-16. Solving Battery Gauge Problems
===========================================================================
Problem
Probable Cause
Solution(s)
===========================================================================
Battery gauge appears
Battery pack has been
Charge the battery pack *
inaccurate.
partially recharged
(Appendix B).
too many times or
NOTE: The battery gauge is
computer has been in
not linear. It will not
Standby for an
necessarily stay on each
extended period of
indicator the same amount
time.
of time. The battery gauge
is based on voltage output
from the battery.
---------------------------------------------------------------------------
* The battery pack needs to be conditioned every 60 days to maintain
battery gauge accuracy.
===========================================================================
Table 5-17. Solving Display Problems
===========================================================================
Problem
Probable Cause
Solution(s)
===========================================================================
Characters are dim.
From MS-DOS: Power
From MS-DOS: Change Power
Management settings
Management settings to
is set on high or
medium.
custom.
From Windows: Adjust
From Windows: Power
brightness setting in
Management brightness
Power Management.
setting is incorrect.
---------------------------------------------------
Brightness or
Press the Fn + F9 keys.
contrast (if
Use arrows keys to adjust
applicable) is not
the brightness. Press the
set properly.
Fn + F8 keys. Use arrows
keys to adjust the
contrast.
NOTE: Contrast adjustment
is not applicable on
models with Color TFT
displays.
---------------------------------------------------
Computer screen is in
Tilt display or move
direct light.
computer.
---------------------------------------------------------------------------
Screen is blank.
Quick Blank is
Enter password to exit
initiated.
QuickBlank.
---------------------------------------------------
Another screen
Press any key and/or enter
blanking utility may
password.
be installed.
---------------------------------------------------
Screen save was
Press any key or click the
initiated by Power
mouse.
Management due to