Dell Inspiron 3500 Service Manual

System Overview 1-11
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Type . . . . . . . . . . . . . . . . . . .  active-matrix color (TFT)
Dimensions (viewable area):
Height  . . . . . . . . . . . . . .  194 mm (7.64 inches)
Width   . . . . . . . . . . . . . .  262 mm (10.3 inches)
Diagonal . . . . . . . . . . . . .  337.8 mm (13.3 inches)
Maximum resolution  . . . . . .  1280 x 1024 pixels; 16 million colors ([24-bit] as 
supported by application program)
Response time (typical) . . . .  80 ms 
Operating angle . . . . . . . . . .  0°...

1-12Dell Inspiron 3500 Portable Computer Service Manual
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Interface. . . . . . . . . . . . . . . . . PS/2-compatible
X/Y position resolutions 
(graphics table mode)  . . . . . . 20 points/mm (500 points/inch) 
Size:
Thickness . . . . . . . . . . . . . 4.65 mm (0.18 inch) at highest component
Width   . . . . . . . . . . . . . . . 64-mm (2.52-inch) sensor-active area
Height  . . . . . . . . . . . . . . . 47.0-mm (1.85-inch) rectangle
with 0.5-mm (0.02-inch) tabs
Weight . . . . . . . . . . . ....

System Overview 1-13
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Input voltage  . . . . . . . . . . . .  90 to 264 VAC
Input current (maximum) . . .  1.5 A at 90 VAC, full load
Input frequency . . . . . . . . . .  47 to 63 Hz 
Output current . . . . . . . . . . .  3.5 A continuous
Output power  . . . . . . . . . . .  70 W 
Rated output voltage . . . . . .  20 VDC
Dimensions:
Height  . . . . . . . . . . . . . .  29.6 mm (1.17 inches)
Width . . . . . . . . . . . . . . .  60.0 mm (2.36 inches)
Depth . . . . . . . . . . . . . . .  105 mm...

1-14Dell Inspiron 3500 Portable Computer Service Manual
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Temperature:
Operating . . . . . . . . . . . . . 5° to 35°C (41° to 95°F)
Storage  . . . . . . . . . . . . . . –20° to 50°C (–4° to 122°F)
Relative humidity . . . . . . . . . . 10% to 90% (noncondensing)
Maximum vibration:
Operating . . . . . . . . . . . . . 0.9 GRMS using a random-vibration spectrum 
that simulates shipment by air
Storage  . . . . . . . . . . . . . . 1.3 GRMS using a random-vibration spectrum 
that simulates...

Initial Procedures 2-1
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This chapter describes initial procedures that can help you diagnose a com-
puter problem. These procedures can often reveal the source of a problem or 
indicate the correct starting point for troubleshooting the computer. Dell rec-
ommends that you perform these initial procedures in the order they are 
presented.
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When you first contact a user who has a problem, ask the user to describe the 
problem and the conditions under...

2-2Dell Inspiron Portable Computer 3500 Service Manual
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The visual inspection consists of a quick inspection of the exterior of the com-
puter and any attached peripherals, including making any necessary 
corrections. For information about the proper removal and installation of com-
puter components, as instructed in the...

Initial Procedures 2-3
8. If there is a memory area problem and the computer has memory mod-
ules, remove the memory modules from the bottom of the main board, 
verify that they are free of any obvious physical damage, verify that the 
connectors on the modules and in the memory module sockets are not 
damaged, and then reinstall the modules.
9. Raise the LCD display and verify that the computer is free of any 
obvious physical damage.
10. Verify that the keyboard is free of any obvious physical damage...

2-4Dell Inspiron Portable Computer 3500 Service Manual
15. Turn on any attached peripherals and then the computer.
Does the problem recur?
Ye s.  Go to the next section, “Observing the Boot Routine.”
No.  No further steps are necessary.
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After you perform a visual inspection as described in the previous section, boot 
the computer from a diagnostics diskette and, while the boot routine is run-
ning, observe the computer for any indications of problems.
NOTE: To prevent possible...

Initial Procedures 2-5
‡System error messages
These messages can indicate problems or provide status information. If 
a system error message is displayed, refer to Table 3-2. 
‡Any unusual sounds
5. Observe the display for the Diagnostics Menu of the Dell Diagnostics.
Does the Diagnostics Menu appear on the display?
Ye s
.  See “Running the Dell Diagnostics” in Chapter 3.
No
.  Go to step 6.
6. Insert another copy of the diagnostics diskette into the diskette drive and 
reboot the computer.
Does the...

2-6Dell Inspiron Portable Computer 3500 Service Manual