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Dell OptiPlex 5055 Ryzen CPU Tower OptiPlex 5055 Tower Owners Manual - Page 73

Power, Physical dimension, Environmental

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Feature Specification Network activity light on integrated network adapter Yellow light - A breathing yellow light indicates that network activity is present. Power supply diagnostic light Green light - The power supply is turned On and is functional. The power cable must be connected to the power connector (at the back of the computer) and the electrical outlet. Power Table 31. Power Specifications Feature Wattage AC input voltage range AC input current (low ac range / high ac range) AC input frequency Coin cell battery Specification 240 W 90 - 264 Vac 4 A/ 2 A 47 Hz/ 63 Hz 3 V CR2032 lithium-coin-cell Physical dimension Table 32. Physical dimensions Physical Height Width Depth Weight Tower 35 cm (13.8 inches) 15.4 cm(6.1 inches) 27.4 cm (10.8 inches) 7.93 kg (17.49 lbs) Environmental Table 33. Environmental Specifications Feature Temperature range Operating Non-Operating Relative humidity (maximum) Operating Non-Operating Maximum vibration Operating Non-Operating Maximum shock Operating Non-Operating Altitude Specification 5 °C to 35 °C (41 °F to 95 °F) -40 °C to 65 °C (-40°F to 149 °F) 20 % to 80 % (non condensing) 5 % to 95 % (non condensing) 0.66 Grms 1.37 Grms 40 G 105 G Technical Specifications 73

Section	Page
Dell OptiPlex 5055 Tower Owner's Manual	2
Working on your computer	5
Safety instructions	5
Turning off your computer	5
Turning off your — Windows	5
Before working inside your computer	6
After working inside your computer	6
Chassis overview	7
Front chassis view	7
Back chassis view	8
Field service information	9
Screw size list	9
Recommended tools	9
Critical callouts	9
Trusted Platform Module	9
China TPM Installation	10
System Board Configuration	10
Enabling data wipe option in BIOS	13
System board jumper setting	13
LED error code after replacing coin cell battery	14
Working on your computer	14
Safety instructions	14
Turning off your computer	14
Turning off your — Windows	14
Before working inside your computer	15
After working inside your computer	15
Safety precautions	15
Electrostatic discharge—ESD protection	16
ESD field service kit	16
Transporting sensitive components	17
Disassembly and reassembly	17
Side Cover	17
Removing Side Cover	17
Installing Side cover	19
Front Bezel	19
Removing front bezel	19
Installing front bezel	21
Front panel door	21
Opening the front panel door	21
Storage device	22
Removing 3.5–inch hard drive assembly	22
Removing 3.5–inch hard drive from the hard drive bracket	25
Installing 3.5–inch hard drive into the hard drive bracket	26
Installing 3.5–inch hard drive assembly	26
Removing 2.5–inch hard drive assembly	26
Removing 2.5–inch hard drive from the hard drive bracket	27
Installing 2.5–inch hard drive into the hard drive bracket	28
Installing 2.5–inch hard drive assembly	28
Optical drive	28
Removing optical drive	28
Installing optical drive	30
M.2 PCIe SSD	30
Removing optional M.2 PCIe SSD	30
Installing optional M.2 PCIe SSD	31
SD card	31
Removing SD card reader	31
Installing SD card reader	32
Memory modules	32
Removing memory module	32
Installing memory module	33
Expansion card	33
Removing PCIe expansion card	33
Installing PCIe expansion card	34
Power supply unit	35
Removing power supply unit – PSU	35
Installing power supply unit – PSU	36
Intrusion switch	36
Removing intrusion switch	36
Installing intrusion switch	37
Power switch	37
Removing power switch	37
Installing power switch	39
Speaker	39
Removing speaker	39
Installing speaker	41
Coin-cell battery	41
Removing coin cell battery	41
Installing coin cell battery	42
Heat sink assembly	42
Removing heat sink assembly	42
Installing heat sink assembly	43
Processor	44
Removing the processor	44
Installing the processor	44
System fan	45
Removing the system fan	45
Installing the system fan	46
System board	46
Removing the system board	46
Installing the system board	50
System board layout	51
Technology and components	52
Systems management features	52
In-Band Systems Management – Dell Client Command Suite	52
Out-of-Band Systems Management – DASH	53
AMD APUs, AMD Ryzen CPUs and APUs	53
AMD Accelerated Processing Unit - APU	53
AMD Ryzen	53
AMD Ryzen APUs	53
AMD PT B350	54
AMD Radeon R7 M450	54
AMD Radeon R5 M430	54
USB features	55
DDR4	57
Active State Power Management	58
System setup	59
Boot menu	59
System Setup options	59
Updating the BIOS in Windows	65
Updating BIOS on systems with BitLocker enabled	65
Updating your system BIOS using a USB flash drive	65
Updating the Dell BIOS in Linux and Ubuntu environments	66
Flashing the BIOS from the F12 One-Time boot menu	66
Technical Specifications	70
Troubleshooting	75
Diagnostic and Power LED codes	75
Enhanced Pre-Boot System Assessment — ePSA diagnostics	79
Getting help	80